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-rw-r--r--exception1.mu (renamed from exception.mu)0
-rw-r--r--exception2.mu2
-rw-r--r--html/001help.cc.html2
-rw-r--r--html/010vm.cc.html1659
-rw-r--r--html/012transform.cc.html2
-rw-r--r--html/015literal_noninteger.cc.html2
-rw-r--r--html/020run.cc.html2
-rw-r--r--html/021check_instruction.cc.html2
-rw-r--r--html/026call.cc.html190
-rw-r--r--html/027call_ingredient.cc.html2
-rw-r--r--html/028call_return.cc.html2
-rw-r--r--html/030container.cc.html32
-rw-r--r--html/031merge.cc.html4
-rw-r--r--html/032array.cc.html641
-rw-r--r--html/033exclusive_container.cc.html18
-rw-r--r--html/034address.cc.html463
-rw-r--r--html/035lookup.cc.html835
-rw-r--r--html/036refcount.cc.html16
-rw-r--r--html/040brace.cc.html703
-rw-r--r--html/041jump_target.cc.html8
-rw-r--r--html/042name.cc.html16
-rw-r--r--html/043space.cc.html2
-rw-r--r--html/050scenario.cc.html10
-rw-r--r--html/055shape_shifting_container.cc.html8
-rw-r--r--html/057immutable.cc.html2
-rw-r--r--html/069hash.cc.html10
-rw-r--r--html/071deep_copy.cc.html6
-rw-r--r--html/072recipe.cc.html1061
-rw-r--r--html/073scheduler.cc.html2
-rw-r--r--html/074wait.cc.html4
-rw-r--r--html/076continuation.cc.html605
-rw-r--r--html/082scenario_screen.cc.html2
-rw-r--r--html/999spaces.cc.html2
-rw-r--r--html/exception1.mu.html124
-rw-r--r--html/exception2.mu.html128
-rw-r--r--index.html5
36 files changed, 3514 insertions, 3058 deletions
diff --git a/exception.mu b/exception1.mu
index 88916c57..88916c57 100644
--- a/exception.mu
+++ b/exception1.mu
diff --git a/exception2.mu b/exception2.mu
index 7b755cfa..abe3ebbc 100644
--- a/exception2.mu
+++ b/exception2.mu
@@ -1,5 +1,5 @@
 # Example program showing exceptions built out of delimited continuations.
-# Slightly less klunky than exception.mu.
+# Slightly less klunky than exception1.mu.
 
 # Since Mu is statically typed, we can't build an all-purpose higher-order
 # function called 'try'; it wouldn't know how many arguments the function
diff --git a/html/001help.cc.html b/html/001help.cc.html
index 50dc0c45..de06a6e8 100644
--- a/html/001help.cc.html
+++ b/html/001help.cc.html
@@ -223,7 +223,7 @@ if ('onhashchange' in window) {
 <span id="L161" class="LineNr">161 </span>  <span class="Normal">switch</span> <span class="Delimiter">(</span>sig<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L162" class="LineNr">162 </span>    <span class="Normal">case</span> <span class="Constant">SIGABRT</span>:
 <span id="L163" class="LineNr">163 </span>      <span class="PreProc">#ifndef __APPLE__</span>
-<span id="L164" class="LineNr">164 </span>        cerr &lt;&lt; <span class="Constant">&quot;SIGABRT: might be an integer overflow if it wasn't an assert() failure</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
+<span id="L164" class="LineNr">164 </span>        cerr &lt;&lt; <span class="Constant">&quot;SIGABRT: might be an integer overflow if it wasn't an assert() failure or exception</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
 <span id="L165" class="LineNr">165 </span>        _Exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L166" class="LineNr">166 </span>      <span class="PreProc">#endif</span>
 <span id="L167" class="LineNr">167 </span>      <span class="Identifier">break</span><span class="Delimiter">;</span>
diff --git a/html/010vm.cc.html b/html/010vm.cc.html
index a4932e2d..9d40e117 100644
--- a/html/010vm.cc.html
+++ b/html/010vm.cc.html
@@ -121,835 +121,836 @@ if ('onhashchange' in window) {
 <span id="L58" class="LineNr"> 58 </span>  <span class="Comment">// End reagent Fields</span>
 <span id="L59" class="LineNr"> 59 </span>  reagent<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; s<span class="Delimiter">);</span>
 <span id="L60" class="LineNr"> 60 </span>  reagent<span class="Delimiter">()</span> :type<span class="Delimiter">(</span><span class="Constant">NULL</span><span class="Delimiter">),</span> value<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> initialized<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">)</span> <span class="Delimiter">{}</span>
-<span id="L61" class="LineNr"> 61 </span>  ~reagent<span class="Delimiter">();</span>
-<span id="L62" class="LineNr"> 62 </span>  <span class="Normal">void</span> <a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L63" class="LineNr"> 63 </span>  reagent<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; original<span class="Delimiter">);</span>
-<span id="L64" class="LineNr"> 64 </span>  reagent&amp; <span class="Normal">operator</span>=<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; original<span class="Delimiter">);</span>
-<span id="L65" class="LineNr"> 65 </span>  <span class="Normal">void</span> <a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><span class="Normal">double</span> v<span class="Delimiter">)</span> <span class="Delimiter">{</span> value = v<span class="Delimiter">;</span>  initialized = <span class="Constant">true</span><span class="Delimiter">;</span> <span class="Delimiter">}</span>
-<span id="L66" class="LineNr"> 66 </span><span class="Delimiter">};</span>
-<span id="L67" class="LineNr"> 67 </span>
-<span id="L68" class="LineNr"> 68 </span><span class="Delimiter">:(before &quot;struct reagent&quot;)</span>
-<span id="L69" class="LineNr"> 69 </span><span class="Comment">// Types can range from a simple type ordinal, to arbitrarily complex trees of</span>
-<span id="L70" class="LineNr"> 70 </span><span class="Comment">// type parameters, like (map (address array character) (list number))</span>
-<span id="L71" class="LineNr"> 71 </span><span class="Normal">struct</span> type_tree <span class="Delimiter">{</span>
-<span id="L72" class="LineNr"> 72 </span>  <span class="Normal">bool</span> atom<span class="Delimiter">;</span>
-<span id="L73" class="LineNr"> 73 </span>  string name<span class="Delimiter">;</span>  <span class="Comment">// only if atom</span>
-<span id="L74" class="LineNr"> 74 </span>  <a href='010vm.cc.html#L123'>type_ordinal</a> value<span class="Delimiter">;</span>  <span class="Comment">// only if atom</span>
-<span id="L75" class="LineNr"> 75 </span>  type_tree* left<span class="Delimiter">;</span>  <span class="Comment">// only if !atom</span>
-<span id="L76" class="LineNr"> 76 </span>  type_tree* right<span class="Delimiter">;</span>  <span class="Comment">// only if !atom</span>
-<span id="L77" class="LineNr"> 77 </span>  ~type_tree<span class="Delimiter">();</span>
-<span id="L78" class="LineNr"> 78 </span>  type_tree<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; original<span class="Delimiter">);</span>
-<span id="L79" class="LineNr"> 79 </span>  <span class="Comment">// atomic type ordinal</span>
-<span id="L80" class="LineNr"> 80 </span>  <span class="Normal">explicit</span> type_tree<span class="Delimiter">(</span>string name<span class="Delimiter">);</span>
-<span id="L81" class="LineNr"> 81 </span>  type_tree<span class="Delimiter">(</span>string name<span class="Delimiter">,</span> <a href='010vm.cc.html#L123'>type_ordinal</a> v<span class="Delimiter">)</span> :atom<span class="Delimiter">(</span><span class="Constant">true</span><span class="Delimiter">),</span> name<span class="Delimiter">(</span>name<span class="Delimiter">),</span> value<span class="Delimiter">(</span>v<span class="Delimiter">),</span> left<span class="Delimiter">(</span><span class="Constant">NULL</span><span class="Delimiter">),</span> right<span class="Delimiter">(</span><span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{}</span>
-<span id="L82" class="LineNr"> 82 </span>  <span class="Comment">// tree of type ordinals</span>
-<span id="L83" class="LineNr"> 83 </span>  type_tree<span class="Delimiter">(</span>type_tree* l<span class="Delimiter">,</span> type_tree* r<span class="Delimiter">)</span> :atom<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">),</span> value<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> left<span class="Delimiter">(</span>l<span class="Delimiter">),</span> right<span class="Delimiter">(</span>r<span class="Delimiter">)</span> <span class="Delimiter">{}</span>
-<span id="L84" class="LineNr"> 84 </span>  type_tree&amp; <span class="Normal">operator</span>=<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; original<span class="Delimiter">);</span>
-<span id="L85" class="LineNr"> 85 </span>  <span class="Normal">bool</span> <span class="Normal">operator</span>==<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; other<span class="Delimiter">)</span> <span class="Normal">const</span><span class="Delimiter">;</span>
-<span id="L86" class="LineNr"> 86 </span>  <span class="Normal">bool</span> <span class="Normal">operator</span>!=<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; other<span class="Delimiter">)</span> <span class="Normal">const</span> <span class="Delimiter">{</span> <span class="Identifier">return</span> !<span class="Normal">operator</span>==<span class="Delimiter">(</span>other<span class="Delimiter">);</span> <span class="Delimiter">}</span>
-<span id="L87" class="LineNr"> 87 </span>  <span class="Normal">bool</span> <span class="Normal">operator</span>&lt;<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; other<span class="Delimiter">)</span> <span class="Normal">const</span><span class="Delimiter">;</span>
-<span id="L88" class="LineNr"> 88 </span>  <span class="Normal">bool</span> <span class="Normal">operator</span>&gt;<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; other<span class="Delimiter">)</span> <span class="Normal">const</span> <span class="Delimiter">{</span> <span class="Identifier">return</span> other<span class="Delimiter">.</span><span class="Normal">operator</span>&lt;<span class="Delimiter">(</span>*<span class="Normal">this</span><span class="Delimiter">);</span> <span class="Delimiter">}</span>
-<span id="L89" class="LineNr"> 89 </span><span class="Delimiter">};</span>
-<span id="L90" class="LineNr"> 90 </span>
-<span id="L91" class="LineNr"> 91 </span><span class="Normal">struct</span> string_tree <span class="Delimiter">{</span>
-<span id="L92" class="LineNr"> 92 </span>  <span class="Normal">bool</span> atom<span class="Delimiter">;</span>
-<span id="L93" class="LineNr"> 93 </span>  string value<span class="Delimiter">;</span>  <span class="Comment">// only if atom</span>
-<span id="L94" class="LineNr"> 94 </span>  string_tree* left<span class="Delimiter">;</span>  <span class="Comment">// only if !atom</span>
-<span id="L95" class="LineNr"> 95 </span>  string_tree* right<span class="Delimiter">;</span>  <span class="Comment">// only if !atom</span>
-<span id="L96" class="LineNr"> 96 </span>  ~string_tree<span class="Delimiter">();</span>
-<span id="L97" class="LineNr"> 97 </span>  string_tree<span class="Delimiter">(</span><span class="Normal">const</span> string_tree&amp; original<span class="Delimiter">);</span>
-<span id="L98" class="LineNr"> 98 </span>  <span class="Comment">// atomic string</span>
-<span id="L99" class="LineNr"> 99 </span>  <span class="Normal">explicit</span> string_tree<span class="Delimiter">(</span>string v<span class="Delimiter">)</span> :atom<span class="Delimiter">(</span><span class="Constant">true</span><span class="Delimiter">),</span> value<span class="Delimiter">(</span>v<span class="Delimiter">),</span> left<span class="Delimiter">(</span><span class="Constant">NULL</span><span class="Delimiter">),</span> right<span class="Delimiter">(</span><span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{}</span>
-<span id="L100" class="LineNr">100 </span>  <span class="Comment">// tree of strings</span>
-<span id="L101" class="LineNr">101 </span>  string_tree<span class="Delimiter">(</span>string_tree* l<span class="Delimiter">,</span> string_tree* r<span class="Delimiter">)</span> :atom<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">),</span> left<span class="Delimiter">(</span>l<span class="Delimiter">),</span> right<span class="Delimiter">(</span>r<span class="Delimiter">)</span> <span class="Delimiter">{}</span>
-<span id="L102" class="LineNr">102 </span><span class="Delimiter">};</span>
-<span id="L103" class="LineNr">103 </span>
-<span id="L104" class="LineNr">104 </span><span class="Comment">// End type_tree Definition</span>
-<span id="L105" class="LineNr">105 </span><span class="Delimiter">:(code)</span>
-<span id="L106" class="LineNr">106 </span>type_tree::type_tree<span class="Delimiter">(</span>string name<span class="Delimiter">)</span> :atom<span class="Delimiter">(</span><span class="Constant">true</span><span class="Delimiter">),</span> name<span class="Delimiter">(</span>name<span class="Delimiter">),</span> value<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">)),</span> left<span class="Delimiter">(</span><span class="Constant">NULL</span><span class="Delimiter">),</span> right<span class="Delimiter">(</span><span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{}</span>
-<span id="L107" class="LineNr">107 </span>
-<span id="L108" class="LineNr">108 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
-<span id="L109" class="LineNr">109 </span><span class="Comment">// Locations refer to a common 'memory'. Each location can store a number.</span>
-<span id="L110" class="LineNr">110 </span>map&lt;<span class="Normal">int</span><span class="Delimiter">,</span> <span class="Normal">double</span>&gt; Memory<span class="Delimiter">;</span>
-<span id="L111" class="LineNr">111 </span><span class="Delimiter">:(before &quot;End Reset&quot;)</span>
-<span id="L112" class="LineNr">112 </span>Memory<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L113" class="LineNr">113 </span>
-<span id="L114" class="LineNr">114 </span><span class="Delimiter">:(after &quot;Types&quot;)</span>
-<span id="L115" class="LineNr">115 </span><span class="Comment">// Mu types encode how the numbers stored in different parts of memory are</span>
-<span id="L116" class="LineNr">116 </span><span class="Comment">// interpreted. A location tagged as a 'character' type will interpret the</span>
-<span id="L117" class="LineNr">117 </span><span class="Comment">// value 97 as the letter 'a', while a different location of type 'number'</span>
-<span id="L118" class="LineNr">118 </span><span class="Comment">// would not.</span>
-<span id="L119" class="LineNr">119 </span><span class="Comment">//</span>
-<span id="L120" class="LineNr">120 </span><span class="Comment">// Unlike most computers today, Mu stores types in a single big table, shared</span>
-<span id="L121" class="LineNr">121 </span><span class="Comment">// by all the Mu programs on the computer. This is useful in providing a</span>
-<span id="L122" class="LineNr">122 </span><span class="Comment">// seamless experience to help understand arbitrary Mu programs.</span>
-<span id="L123" class="LineNr">123 </span><span class="Normal">typedef</span> <span class="Normal">int</span> <a href='010vm.cc.html#L123'>type_ordinal</a><span class="Delimiter">;</span>
-<span id="L124" class="LineNr">124 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
-<span id="L125" class="LineNr">125 </span>map&lt;string<span class="Delimiter">,</span> type_ordinal&gt; Type_ordinal<span class="Delimiter">;</span>
-<span id="L126" class="LineNr">126 </span>map&lt;type_ordinal<span class="Delimiter">,</span> type_info&gt; Type<span class="Delimiter">;</span>
-<span id="L127" class="LineNr">127 </span><a href='010vm.cc.html#L123'>type_ordinal</a> Next_type_ordinal = <span class="Constant">1</span><span class="Delimiter">;</span>
-<span id="L128" class="LineNr">128 </span><span class="Delimiter">:(code)</span>
-<span id="L129" class="LineNr">129 </span><span class="Normal">void</span> <a href='010vm.cc.html#L129'>setup_types</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L130" class="LineNr">130 </span>  Type<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>  Type_ordinal<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L131" class="LineNr">131 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L132" class="LineNr">132 </span>  Next_type_ordinal = <span class="Constant">1</span><span class="Delimiter">;</span>
-<span id="L133" class="LineNr">133 </span>  <span class="Comment">// Mu Types Initialization</span>
-<span id="L134" class="LineNr">134 </span>  <a href='010vm.cc.html#L123'>type_ordinal</a> number = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
-<span id="L135" class="LineNr">135 </span>  <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> number<span class="Delimiter">).</span>name = <span class="Constant">&quot;number&quot;</span><span class="Delimiter">;</span>
-<span id="L136" class="LineNr">136 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;location&quot;</span><span class="Delimiter">,</span> number<span class="Delimiter">);</span>  <span class="Comment">// synonym of number to indicate we only care about its size</span>
-<span id="L137" class="LineNr">137 </span>  <a href='010vm.cc.html#L123'>type_ordinal</a> <a href='043space.cc.html#L80'>address</a> = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
-<span id="L138" class="LineNr">138 </span>  <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> <a href='043space.cc.html#L80'>address</a><span class="Delimiter">).</span>name = <span class="Constant">&quot;address&quot;</span><span class="Delimiter">;</span>
-<span id="L139" class="LineNr">139 </span>  <a href='010vm.cc.html#L123'>type_ordinal</a> boolean = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;boolean&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
-<span id="L140" class="LineNr">140 </span>  <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> boolean<span class="Delimiter">).</span>name = <span class="Constant">&quot;boolean&quot;</span><span class="Delimiter">;</span>
-<span id="L141" class="LineNr">141 </span>  <a href='010vm.cc.html#L123'>type_ordinal</a> character = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;character&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
-<span id="L142" class="LineNr">142 </span>  <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> character<span class="Delimiter">).</span>name = <span class="Constant">&quot;character&quot;</span><span class="Delimiter">;</span>
-<span id="L143" class="LineNr">143 </span>  <span class="Comment">// Array types are a special modifier to any other type. For example,</span>
-<span id="L144" class="LineNr">144 </span>  <span class="Comment">// array:number or array:address:boolean.</span>
-<span id="L145" class="LineNr">145 </span>  <a href='010vm.cc.html#L123'>type_ordinal</a> array = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;array&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
-<span id="L146" class="LineNr">146 </span>  <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> array<span class="Delimiter">).</span>name = <span class="Constant">&quot;array&quot;</span><span class="Delimiter">;</span>
-<span id="L147" class="LineNr">147 </span>  <span class="Comment">// End Mu Types Initialization</span>
-<span id="L148" class="LineNr">148 </span><span class="Delimiter">}</span>
-<span id="L149" class="LineNr">149 </span><span class="Normal">void</span> <a href='010vm.cc.html#L149'>teardown_types</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L150" class="LineNr">150 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;type_ordinal<span class="Delimiter">,</span> type_info&gt;::iterator p = Type<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != Type<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L151" class="LineNr">151 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L152" class="LineNr">152 </span>      p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">.</span>elements<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L153" class="LineNr">153 </span>  <span class="Delimiter">}</span>
-<span id="L154" class="LineNr">154 </span>  Type_ordinal<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L155" class="LineNr">155 </span><span class="Delimiter">}</span>
-<span id="L156" class="LineNr">156 </span><span class="Delimiter">:(before &quot;End One-time Setup&quot;)</span>
-<span id="L157" class="LineNr">157 </span><a href='010vm.cc.html#L129'>setup_types</a><span class="Delimiter">();</span>
-<span id="L158" class="LineNr">158 </span>atexit<span class="Delimiter">(</span><a href='010vm.cc.html#L149'>teardown_types</a><span class="Delimiter">);</span>
-<span id="L159" class="LineNr">159 </span>
-<span id="L160" class="LineNr">160 </span><span class="Delimiter">:(before &quot;End Types&quot;)</span>
-<span id="L161" class="LineNr">161 </span><span class="Comment">// You can construct arbitrary new types. New types are either 'containers'</span>
-<span id="L162" class="LineNr">162 </span><span class="Comment">// with multiple 'elements' of other types, or 'exclusive containers' containing</span>
-<span id="L163" class="LineNr">163 </span><span class="Comment">// one of multiple 'variants'. (These are similar to C structs and unions,</span>
-<span id="L164" class="LineNr">164 </span><span class="Comment">// respectively, though exclusive containers implicitly include a tag element</span>
-<span id="L165" class="LineNr">165 </span><span class="Comment">// recording which variant they should be interpreted as.)</span>
-<span id="L166" class="LineNr">166 </span><span class="Comment">//</span>
-<span id="L167" class="LineNr">167 </span><span class="Comment">// For example, storing bank balance and name for an account might require a</span>
-<span id="L168" class="LineNr">168 </span><span class="Comment">// container, but if bank accounts may be either for individuals or groups,</span>
-<span id="L169" class="LineNr">169 </span><span class="Comment">// with different properties for each, that may require an exclusive container</span>
-<span id="L170" class="LineNr">170 </span><span class="Comment">// whose variants are individual-account and joint-account containers.</span>
-<span id="L171" class="LineNr">171 </span><span class="Normal">enum</span> <a href='010vm.cc.html#L171'>kind_of_type</a> <span class="Delimiter">{</span>
-<span id="L172" class="LineNr">172 </span>  <a href='010vm.cc.html#L172'>PRIMITIVE</a><span class="Delimiter">,</span>
-<span id="L173" class="LineNr">173 </span>  <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">,</span>
-<span id="L174" class="LineNr">174 </span>  <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a>
-<span id="L175" class="LineNr">175 </span><span class="Delimiter">};</span>
-<span id="L176" class="LineNr">176 </span>
-<span id="L177" class="LineNr">177 </span><span class="Normal">struct</span> type_info <span class="Delimiter">{</span>
-<span id="L178" class="LineNr">178 </span>  string name<span class="Delimiter">;</span>
-<span id="L179" class="LineNr">179 </span>  <a href='010vm.cc.html#L171'>kind_of_type</a> kind<span class="Delimiter">;</span>
-<span id="L180" class="LineNr">180 </span>  vector&lt;reagent&gt; elements<span class="Delimiter">;</span>
-<span id="L181" class="LineNr">181 </span>  <span class="Comment">// End type_info Fields</span>
-<span id="L182" class="LineNr">182 </span>  type_info<span class="Delimiter">()</span> :kind<span class="Delimiter">(</span><a href='010vm.cc.html#L172'>PRIMITIVE</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L183" class="LineNr">183 </span>    <span class="Comment">// End type_info Constructor</span>
-<span id="L184" class="LineNr">184 </span>  <span class="Delimiter">}</span>
-<span id="L185" class="LineNr">185 </span><span class="Delimiter">};</span>
-<span id="L186" class="LineNr">186 </span>
-<span id="L187" class="LineNr">187 </span><span class="Normal">enum</span> <a href='010vm.cc.html#L187'>primitive_recipes</a> <span class="Delimiter">{</span>
-<span id="L188" class="LineNr">188 </span>  <a href='010vm.cc.html#L188'>IDLE</a> = <span class="Constant">0</span><span class="Delimiter">,</span>
-<span id="L189" class="LineNr">189 </span>  <a href='010vm.cc.html#L189'>COPY</a><span class="Delimiter">,</span>
-<span id="L190" class="LineNr">190 </span>  <span class="Comment">// End Primitive Recipe Declarations</span>
-<span id="L191" class="LineNr">191 </span>  <a href='010vm.cc.html#L191'>MAX_PRIMITIVE_RECIPES</a><span class="Delimiter">,</span>
-<span id="L192" class="LineNr">192 </span><span class="Delimiter">};</span>
-<span id="L193" class="LineNr">193 </span><span class="Delimiter">:(code)</span>
-<span id="L194" class="LineNr">194 </span><span class="Comment">//: It's all very well to construct recipes out of other recipes, but we need</span>
-<span id="L195" class="LineNr">195 </span><span class="Comment">//: to know how to do *something* out of the box. For the following</span>
-<span id="L196" class="LineNr">196 </span><span class="Comment">//: recipes there are only codes, no entries in the book, because Mu just knows</span>
-<span id="L197" class="LineNr">197 </span><span class="Comment">//: what to do for them.</span>
-<span id="L198" class="LineNr">198 </span><span class="Normal">void</span> <a href='010vm.cc.html#L198'>setup_recipes</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L199" class="LineNr">199 </span>  Recipe<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>  Recipe_ordinal<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L200" class="LineNr">200 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;idle&quot;</span><span class="Delimiter">,</span> <a href='010vm.cc.html#L188'>IDLE</a><span class="Delimiter">);</span>
-<span id="L201" class="LineNr">201 </span>  <span class="Comment">// Primitive Recipe Numbers</span>
-<span id="L202" class="LineNr">202 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;copy&quot;</span><span class="Delimiter">,</span> <a href='010vm.cc.html#L189'>COPY</a><span class="Delimiter">);</span>
-<span id="L203" class="LineNr">203 </span>  <span class="Comment">// End Primitive Recipe Numbers</span>
-<span id="L204" class="LineNr">204 </span><span class="Delimiter">}</span>
-<span id="L205" class="LineNr">205 </span><span class="Comment">//: We could just reset the recipe table after every test, but that gets slow</span>
-<span id="L206" class="LineNr">206 </span><span class="Comment">//: all too quickly. Instead, initialize the common stuff just once at</span>
-<span id="L207" class="LineNr">207 </span><span class="Comment">//: startup. Later layers will carefully undo each test's additions after</span>
-<span id="L208" class="LineNr">208 </span><span class="Comment">//: itself.</span>
-<span id="L209" class="LineNr">209 </span><span class="Delimiter">:(before &quot;End One-time Setup&quot;)</span>
-<span id="L210" class="LineNr">210 </span><a href='010vm.cc.html#L198'>setup_recipes</a><span class="Delimiter">();</span>
-<span id="L211" class="LineNr">211 </span>assert<span class="Delimiter">(</span><a href='010vm.cc.html#L191'>MAX_PRIMITIVE_RECIPES</a> &lt; <span class="Constant">200</span><span class="Delimiter">);</span>  <span class="Comment">// level 0 is primitives; until 199</span>
-<span id="L212" class="LineNr">212 </span>Next_recipe_ordinal = <span class="Constant">200</span><span class="Delimiter">;</span>
-<span id="L213" class="LineNr">213 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;main&quot;</span><span class="Delimiter">,</span> Next_recipe_ordinal++<span class="Delimiter">);</span>
-<span id="L214" class="LineNr">214 </span><span class="Comment">// End Load Recipes</span>
-<span id="L215" class="LineNr">215 </span><span class="Delimiter">:(before &quot;End Commandline Parsing&quot;)</span>
-<span id="L216" class="LineNr">216 </span>assert<span class="Delimiter">(</span>Next_recipe_ordinal &lt; <span class="Constant">1000</span><span class="Delimiter">);</span>  <span class="Comment">// recipes being tested didn't overflow into test space</span>
-<span id="L217" class="LineNr">217 </span><span class="Delimiter">:(before &quot;End Reset&quot;)</span>
-<span id="L218" class="LineNr">218 </span>Next_recipe_ordinal = <span class="Constant">1000</span><span class="Delimiter">;</span>  <span class="Comment">// consistent new numbers for each test</span>
-<span id="L219" class="LineNr">219 </span>
-<span id="L220" class="LineNr">220 </span><span class="Comment">//: One final detail: tests can modify our global tables of recipes and types,</span>
-<span id="L221" class="LineNr">221 </span><span class="Comment">//: so we need some way to clean up after each test is done so it doesn't</span>
-<span id="L222" class="LineNr">222 </span><span class="Comment">//: influence later ones.</span>
-<span id="L223" class="LineNr">223 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
-<span id="L224" class="LineNr">224 </span>map&lt;string<span class="Delimiter">,</span> recipe_ordinal&gt; Recipe_ordinal_snapshot<span class="Delimiter">;</span>
-<span id="L225" class="LineNr">225 </span>map&lt;recipe_ordinal<span class="Delimiter">,</span> recipe&gt; Recipe_snapshot<span class="Delimiter">;</span>
-<span id="L226" class="LineNr">226 </span>map&lt;string<span class="Delimiter">,</span> type_ordinal&gt; Type_ordinal_snapshot<span class="Delimiter">;</span>
-<span id="L227" class="LineNr">227 </span>map&lt;type_ordinal<span class="Delimiter">,</span> type_info&gt; Type_snapshot<span class="Delimiter">;</span>
-<span id="L228" class="LineNr">228 </span><span class="Delimiter">:(before &quot;End One-time Setup&quot;)</span>
-<span id="L229" class="LineNr">229 </span>save_snapshots<span class="Delimiter">();</span>
-<span id="L230" class="LineNr">230 </span><span class="Delimiter">:(before &quot;End Reset&quot;)</span>
-<span id="L231" class="LineNr">231 </span>restore_snapshots<span class="Delimiter">();</span>
-<span id="L232" class="LineNr">232 </span>
-<span id="L233" class="LineNr">233 </span><span class="Delimiter">:(code)</span>
-<span id="L234" class="LineNr">234 </span><span class="Normal">void</span> save_snapshots<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L235" class="LineNr">235 </span>  Recipe_ordinal_snapshot = Recipe_ordinal<span class="Delimiter">;</span>
-<span id="L236" class="LineNr">236 </span>  Recipe_snapshot = Recipe<span class="Delimiter">;</span>
-<span id="L237" class="LineNr">237 </span>  Type_ordinal_snapshot = Type_ordinal<span class="Delimiter">;</span>
-<span id="L238" class="LineNr">238 </span>  Type_snapshot = Type<span class="Delimiter">;</span>
-<span id="L239" class="LineNr">239 </span>  <span class="Comment">// End save_snapshots</span>
-<span id="L240" class="LineNr">240 </span><span class="Delimiter">}</span>
-<span id="L241" class="LineNr">241 </span>
-<span id="L242" class="LineNr">242 </span><span class="Normal">void</span> restore_snapshots<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L243" class="LineNr">243 </span>  Recipe = Recipe_snapshot<span class="Delimiter">;</span>
-<span id="L244" class="LineNr">244 </span>  Recipe_ordinal = Recipe_ordinal_snapshot<span class="Delimiter">;</span>
-<span id="L245" class="LineNr">245 </span>  restore_non_recipe_snapshots<span class="Delimiter">();</span>
-<span id="L246" class="LineNr">246 </span><span class="Delimiter">}</span>
-<span id="L247" class="LineNr">247 </span><span class="Comment">// when running sandboxes in the edit/ app we'll want to restore everything except recipes defined in the app</span>
-<span id="L248" class="LineNr">248 </span><span class="Normal">void</span> restore_non_recipe_snapshots<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L249" class="LineNr">249 </span>  Type_ordinal = Type_ordinal_snapshot<span class="Delimiter">;</span>
-<span id="L250" class="LineNr">250 </span>  Type = Type_snapshot<span class="Delimiter">;</span>
-<span id="L251" class="LineNr">251 </span>  <span class="Comment">// End restore_snapshots</span>
-<span id="L252" class="LineNr">252 </span><span class="Delimiter">}</span>
-<span id="L253" class="LineNr">253 </span>
-<span id="L254" class="LineNr">254 </span><span class="SalientComment">//:: Helpers</span>
-<span id="L255" class="LineNr">255 </span>
-<span id="L256" class="LineNr">256 </span><span class="Delimiter">:(code)</span>
-<span id="L257" class="LineNr">257 </span><span class="muRecipe"><a href='010vm.cc.html#L19'>recipe</a></span>::<a href='010vm.cc.html#L19'>recipe</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L258" class="LineNr">258 </span>  <span class="Comment">// End recipe Constructor</span>
-<span id="L259" class="LineNr">259 </span><span class="Delimiter">}</span>
-<span id="L260" class="LineNr">260 </span>
-<span id="L261" class="LineNr">261 </span><a href='010vm.cc.html#L32'>instruction</a>::<a href='010vm.cc.html#L32'>instruction</a><span class="Delimiter">()</span> :is_label<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">),</span> operation<span class="Delimiter">(</span><a href='010vm.cc.html#L188'>IDLE</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L262" class="LineNr">262 </span>  <span class="Comment">// End instruction Constructor</span>
-<span id="L263" class="LineNr">263 </span><span class="Delimiter">}</span>
-<span id="L264" class="LineNr">264 </span><span class="Normal">void</span> <a href='010vm.cc.html#L32'>instruction</a>::<a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L265" class="LineNr">265 </span>  is_label=<span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L266" class="LineNr">266 </span>  label<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L267" class="LineNr">267 </span>  name<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L268" class="LineNr">268 </span>  operation=IDLE<span class="Delimiter">;</span>
-<span id="L269" class="LineNr">269 </span>  ingredients<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L270" class="LineNr">270 </span>  products<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L271" class="LineNr">271 </span>  original_string<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L272" class="LineNr">272 </span>  <span class="Comment">// End instruction Clear</span>
-<span id="L273" class="LineNr">273 </span><span class="Delimiter">}</span>
-<span id="L274" class="LineNr">274 </span><span class="Normal">bool</span> <a href='010vm.cc.html#L32'>instruction</a>::is_empty<span class="Delimiter">()</span> <span class="Delimiter">{</span> <span class="Identifier">return</span> !is_label &amp;&amp; name<span class="Delimiter">.</span>empty<span class="Delimiter">();</span> <span class="Delimiter">}</span>
-<span id="L275" class="LineNr">275 </span>
-<span id="L276" class="LineNr">276 </span><span class="Comment">// Reagents have the form &lt;name&gt;:&lt;type&gt;:&lt;type&gt;:.../&lt;property&gt;/&lt;property&gt;/...</span>
-<span id="L277" class="LineNr">277 </span>reagent::reagent<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; s<span class="Delimiter">)</span> :original_string<span class="Delimiter">(</span>s<span class="Delimiter">),</span> type<span class="Delimiter">(</span><span class="Constant">NULL</span><span class="Delimiter">),</span> value<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> initialized<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L278" class="LineNr">278 </span>  <span class="Comment">// Parsing reagent(string s)</span>
-<span id="L279" class="LineNr">279 </span>  istringstream in<span class="Delimiter">(</span>s<span class="Delimiter">);</span>
-<span id="L280" class="LineNr">280 </span>  in &gt;&gt; std::noskipws<span class="Delimiter">;</span>
-<span id="L281" class="LineNr">281 </span>  <span class="Comment">// name and type</span>
-<span id="L282" class="LineNr">282 </span>  istringstream first_row<span class="Delimiter">(</span>slurp_until<span class="Delimiter">(</span>in<span class="Delimiter">,</span> <span class="Constant">'/'</span><span class="Delimiter">));</span>
-<span id="L283" class="LineNr">283 </span>  first_row &gt;&gt; std::noskipws<span class="Delimiter">;</span>
-<span id="L284" class="LineNr">284 </span>  name = slurp_until<span class="Delimiter">(</span>first_row<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">);</span>
-<span id="L285" class="LineNr">285 </span>  string_tree* type_names = parse_property_list<span class="Delimiter">(</span>first_row<span class="Delimiter">);</span>
-<span id="L286" class="LineNr">286 </span>  <span class="Comment">// End Parsing Reagent Type Property(type_names)</span>
-<span id="L287" class="LineNr">287 </span>  type = <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span>type_names<span class="Delimiter">);</span>
-<span id="L288" class="LineNr">288 </span>  <span class="Normal">delete</span> type_names<span class="Delimiter">;</span>
-<span id="L289" class="LineNr">289 </span>  <span class="Comment">// special cases</span>
-<span id="L290" class="LineNr">290 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_integer<span class="Delimiter">(</span>name<span class="Delimiter">)</span> &amp;&amp; type == <span class="Constant">NULL</span><span class="Delimiter">)</span>
-<span id="L291" class="LineNr">291 </span>    type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">&quot;literal&quot;</span><span class="Delimiter">);</span>
-<span id="L292" class="LineNr">292 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>name == <span class="Constant">&quot;_&quot;</span> &amp;&amp; type == <span class="Constant">NULL</span><span class="Delimiter">)</span>
-<span id="L293" class="LineNr">293 </span>    type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">&quot;literal&quot;</span><span class="Delimiter">);</span>
-<span id="L294" class="LineNr">294 </span>  <span class="Comment">// other properties</span>
-<span id="L295" class="LineNr">295 </span>  slurp_properties<span class="Delimiter">(</span>in<span class="Delimiter">,</span> properties<span class="Delimiter">);</span>
-<span id="L296" class="LineNr">296 </span>  <span class="Comment">// End Parsing reagent</span>
-<span id="L297" class="LineNr">297 </span><span class="Delimiter">}</span>
-<span id="L298" class="LineNr">298 </span>
-<span id="L299" class="LineNr">299 </span><span class="Normal">void</span> slurp_properties<span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">,</span> vector&lt;pair&lt;string<span class="Delimiter">,</span> string_tree*&gt; &gt;&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L300" class="LineNr">300 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L239'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L301" class="LineNr">301 </span>    istringstream row<span class="Delimiter">(</span>slurp_until<span class="Delimiter">(</span>in<span class="Delimiter">,</span> <span class="Constant">'/'</span><span class="Delimiter">));</span>
-<span id="L302" class="LineNr">302 </span>    row &gt;&gt; std::noskipws<span class="Delimiter">;</span>
-<span id="L303" class="LineNr">303 </span>    string key = slurp_until<span class="Delimiter">(</span>row<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">);</span>
-<span id="L304" class="LineNr">304 </span>    string_tree* value = parse_property_list<span class="Delimiter">(</span>row<span class="Delimiter">);</span>
-<span id="L305" class="LineNr">305 </span>    out<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;string<span class="Delimiter">,</span> string_tree*&gt;<span class="Delimiter">(</span>key<span class="Delimiter">,</span> value<span class="Delimiter">));</span>
-<span id="L306" class="LineNr">306 </span>  <span class="Delimiter">}</span>
-<span id="L307" class="LineNr">307 </span><span class="Delimiter">}</span>
-<span id="L308" class="LineNr">308 </span>
-<span id="L309" class="LineNr">309 </span>string_tree* parse_property_list<span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L310" class="LineNr">310 </span>  skip_whitespace_but_not_newline<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
-<span id="L311" class="LineNr">311 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span>
-<span id="L312" class="LineNr">312 </span>  string_tree* first = <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>slurp_until<span class="Delimiter">(</span>in<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">));</span>
-<span id="L313" class="LineNr">313 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Identifier">return</span> first<span class="Delimiter">;</span>
-<span id="L314" class="LineNr">314 </span>  string_tree* rest = parse_property_list<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
-<span id="L315" class="LineNr">315 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; rest<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span>
-<span id="L316" class="LineNr">316 </span>    <span class="Identifier">return</span> <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>first<span class="Delimiter">,</span> <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>rest<span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">));</span>
-<span id="L317" class="LineNr">317 </span>  <span class="Identifier">return</span> <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>first<span class="Delimiter">,</span> rest<span class="Delimiter">);</span>
-<span id="L318" class="LineNr">318 </span><span class="Delimiter">}</span>
-<span id="L319" class="LineNr">319 </span><span class="Delimiter">:(before &quot;End Unit Tests&quot;)</span>
-<span id="L320" class="LineNr">320 </span><span class="Normal">void</span> test_parse_property_list_atom<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L321" class="LineNr">321 </span>  istringstream in<span class="Delimiter">(</span><span class="Constant">&quot;a&quot;</span><span class="Delimiter">);</span>
-<span id="L322" class="LineNr">322 </span>  string_tree* x = parse_property_list<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
-<span id="L323" class="LineNr">323 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
-<span id="L324" class="LineNr">324 </span>  <span class="Normal">delete</span> x<span class="Delimiter">;</span>
-<span id="L325" class="LineNr">325 </span><span class="Delimiter">}</span>
-<span id="L326" class="LineNr">326 </span><span class="Normal">void</span> test_parse_property_list_list<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L327" class="LineNr">327 </span>  istringstream in<span class="Delimiter">(</span><span class="Constant">&quot;a:b&quot;</span><span class="Delimiter">);</span>
-<span id="L328" class="LineNr">328 </span>  string_tree* x = parse_property_list<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
-<span id="L329" class="LineNr">329 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!x<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
-<span id="L330" class="LineNr">330 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
-<span id="L331" class="LineNr">331 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value<span class="Delimiter">,</span> <span class="Constant">&quot;a&quot;</span><span class="Delimiter">);</span>
-<span id="L332" class="LineNr">332 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!x<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
-<span id="L333" class="LineNr">333 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
-<span id="L334" class="LineNr">334 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value<span class="Delimiter">,</span> <span class="Constant">&quot;b&quot;</span><span class="Delimiter">);</span>
-<span id="L335" class="LineNr">335 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right == <span class="Constant">NULL</span><span class="Delimiter">);</span>
-<span id="L336" class="LineNr">336 </span>  <span class="Normal">delete</span> x<span class="Delimiter">;</span>
-<span id="L337" class="LineNr">337 </span><span class="Delimiter">}</span>
-<span id="L338" class="LineNr">338 </span>
-<span id="L339" class="LineNr">339 </span><span class="Delimiter">:(code)</span>
-<span id="L340" class="LineNr">340 </span>type_tree* <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Normal">const</span> string_tree* properties<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L341" class="LineNr">341 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!properties<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span>
-<span id="L342" class="LineNr">342 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>properties<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L343" class="LineNr">343 </span>    <span class="Normal">const</span> string&amp; type_name = properties<span class="Delimiter">-&gt;</span>value<span class="Delimiter">;</span>
-<span id="L344" class="LineNr">344 </span>    <span class="Normal">int</span> value = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L345" class="LineNr">345 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> type_name<span class="Delimiter">))</span>
-<span id="L346" class="LineNr">346 </span>      value = get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> type_name<span class="Delimiter">);</span>
-<span id="L347" class="LineNr">347 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_integer<span class="Delimiter">(</span>type_name<span class="Delimiter">))</span>  <span class="Comment">// sometimes types will contain non-type tags, like numbers for the size of an array</span>
-<span id="L348" class="LineNr">348 </span>      value = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L349" class="LineNr">349 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>properties<span class="Delimiter">-&gt;</span>value == <span class="Constant">&quot;-&gt;&quot;</span><span class="Delimiter">)</span>  <span class="Comment">// used in recipe types</span>
-<span id="L350" class="LineNr">350 </span>      value = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L351" class="LineNr">351 </span>    <span class="Normal">else</span>
-<span id="L352" class="LineNr">352 </span>      value = -<span class="Constant">1</span><span class="Delimiter">;</span>  <span class="Comment">// should never happen; will trigger errors later</span>
-<span id="L353" class="LineNr">353 </span>    <span class="Identifier">return</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>type_name<span class="Delimiter">,</span> value<span class="Delimiter">);</span>
-<span id="L354" class="LineNr">354 </span>  <span class="Delimiter">}</span>
-<span id="L355" class="LineNr">355 </span>  <span class="Identifier">return</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span>properties<span class="Delimiter">-&gt;</span>left<span class="Delimiter">),</span>
-<span id="L356" class="LineNr">356 </span>                       <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span>properties<span class="Delimiter">-&gt;</span>right<span class="Delimiter">));</span>
-<span id="L357" class="LineNr">357 </span><span class="Delimiter">}</span>
-<span id="L358" class="LineNr">358 </span>
-<span id="L359" class="LineNr">359 </span><span class="Comment">//: avoid memory leaks for the type tree</span>
-<span id="L360" class="LineNr">360 </span>
-<span id="L361" class="LineNr">361 </span>reagent::reagent<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; other<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L362" class="LineNr">362 </span>  original_string = other<span class="Delimiter">.</span>original_string<span class="Delimiter">;</span>
-<span id="L363" class="LineNr">363 </span>  name = other<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
-<span id="L364" class="LineNr">364 </span>  value = other<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
-<span id="L365" class="LineNr">365 </span>  initialized = other<span class="Delimiter">.</span>initialized<span class="Delimiter">;</span>
-<span id="L366" class="LineNr">366 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L367" class="LineNr">367 </span>    properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;string<span class="Delimiter">,</span> string_tree*&gt;<span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first<span class="Delimiter">,</span> copy<span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">)));</span>
-<span id="L368" class="LineNr">368 </span>  <span class="Delimiter">}</span>
-<span id="L369" class="LineNr">369 </span>  type = copy<span class="Delimiter">(</span>other<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span id="L370" class="LineNr">370 </span>  <span class="Comment">// End reagent Copy Constructor</span>
-<span id="L371" class="LineNr">371 </span><span class="Delimiter">}</span>
-<span id="L372" class="LineNr">372 </span>
-<span id="L373" class="LineNr">373 </span>type_tree::type_tree<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; original<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L374" class="LineNr">374 </span>  atom = original<span class="Delimiter">.</span>atom<span class="Delimiter">;</span>
-<span id="L375" class="LineNr">375 </span>  name = original<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
-<span id="L376" class="LineNr">376 </span>  value = original<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
-<span id="L377" class="LineNr">377 </span>  left = copy<span class="Delimiter">(</span>original<span class="Delimiter">.</span>left<span class="Delimiter">);</span>
-<span id="L378" class="LineNr">378 </span>  right = copy<span class="Delimiter">(</span>original<span class="Delimiter">.</span>right<span class="Delimiter">);</span>
-<span id="L379" class="LineNr">379 </span><span class="Delimiter">}</span>
-<span id="L380" class="LineNr">380 </span>
-<span id="L381" class="LineNr">381 </span>type_tree&amp; type_tree::<span class="Normal">operator</span>=<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; original<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L382" class="LineNr">382 </span>  atom = original<span class="Delimiter">.</span>atom<span class="Delimiter">;</span>
-<span id="L383" class="LineNr">383 </span>  name = original<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
-<span id="L384" class="LineNr">384 </span>  value = original<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
-<span id="L385" class="LineNr">385 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>left<span class="Delimiter">)</span> <span class="Normal">delete</span> left<span class="Delimiter">;</span>
-<span id="L386" class="LineNr">386 </span>  left = copy<span class="Delimiter">(</span>original<span class="Delimiter">.</span>left<span class="Delimiter">);</span>
-<span id="L387" class="LineNr">387 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>right<span class="Delimiter">)</span> <span class="Normal">delete</span> right<span class="Delimiter">;</span>
-<span id="L388" class="LineNr">388 </span>  right = copy<span class="Delimiter">(</span>original<span class="Delimiter">.</span>right<span class="Delimiter">);</span>
-<span id="L389" class="LineNr">389 </span>  <span class="Identifier">return</span> *<span class="Normal">this</span><span class="Delimiter">;</span>
-<span id="L390" class="LineNr">390 </span><span class="Delimiter">}</span>
-<span id="L391" class="LineNr">391 </span>
-<span id="L392" class="LineNr">392 </span><span class="Normal">bool</span> type_tree::<span class="Normal">operator</span>==<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; other<span class="Delimiter">)</span> <span class="Normal">const</span> <span class="Delimiter">{</span>
-<span id="L393" class="LineNr">393 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>atom != other<span class="Delimiter">.</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L394" class="LineNr">394 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>atom<span class="Delimiter">)</span>
-<span id="L395" class="LineNr">395 </span>    <span class="Identifier">return</span> name == other<span class="Delimiter">.</span>name &amp;&amp; value == other<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
-<span id="L396" class="LineNr">396 </span>  <span class="Identifier">return</span> <span class="Delimiter">(</span>left == other<span class="Delimiter">.</span>left || *left == *other<span class="Delimiter">.</span>left<span class="Delimiter">)</span>
-<span id="L397" class="LineNr">397 </span>      &amp;&amp; <span class="Delimiter">(</span>right == other<span class="Delimiter">.</span>right || *right == *other<span class="Delimiter">.</span>right<span class="Delimiter">);</span>
-<span id="L398" class="LineNr">398 </span><span class="Delimiter">}</span>
-<span id="L399" class="LineNr">399 </span>
-<span id="L400" class="LineNr">400 </span><span class="Comment">// only constraint we care about: if a &lt; b then !(b &lt; a)</span>
-<span id="L401" class="LineNr">401 </span><span class="Normal">bool</span> type_tree::<span class="Normal">operator</span>&lt;<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; other<span class="Delimiter">)</span> <span class="Normal">const</span> <span class="Delimiter">{</span>
-<span id="L402" class="LineNr">402 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>atom != other<span class="Delimiter">.</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> atom &gt; other<span class="Delimiter">.</span>atom<span class="Delimiter">;</span>  <span class="Comment">// atoms before non-atoms</span>
-<span id="L403" class="LineNr">403 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> name &lt; other<span class="Delimiter">.</span>name<span class="Delimiter">;</span>  <span class="Comment">// sort atoms in lexical order</span>
-<span id="L404" class="LineNr">404 </span>  <span class="Comment">// first location in one that's missing in the other makes that side 'smaller'</span>
-<span id="L405" class="LineNr">405 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>left &amp;&amp; !other<span class="Delimiter">.</span>left<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L406" class="LineNr">406 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!left &amp;&amp; other<span class="Delimiter">.</span>left<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L407" class="LineNr">407 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>right &amp;&amp; !other<span class="Delimiter">.</span>right<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L408" class="LineNr">408 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!right &amp;&amp; other<span class="Delimiter">.</span>right<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L409" class="LineNr">409 </span>  <span class="Comment">// now if either pointer is unequal neither side can be null</span>
-<span id="L410" class="LineNr">410 </span>  <span class="Comment">// if one side is equal that's easy</span>
-<span id="L411" class="LineNr">411 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>left == other<span class="Delimiter">.</span>left || *left == *other<span class="Delimiter">.</span>left<span class="Delimiter">)</span> <span class="Identifier">return</span> right &amp;&amp; *right &lt; *other<span class="Delimiter">.</span>right<span class="Delimiter">;</span>
-<span id="L412" class="LineNr">412 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>right == other<span class="Delimiter">.</span>right || *right == *other<span class="Delimiter">.</span>right<span class="Delimiter">)</span> <span class="Identifier">return</span> left &amp;&amp; *left &lt; *other<span class="Delimiter">.</span>left<span class="Delimiter">;</span>
-<span id="L413" class="LineNr">413 </span>  <span class="Comment">// if the two sides criss-cross, pick the side with the smaller lhs</span>
-<span id="L414" class="LineNr">414 </span>  <span class="Normal">if</span> <span class="Delimiter">((</span>left == other<span class="Delimiter">.</span>right || *left == *other<span class="Delimiter">.</span>right<span class="Delimiter">)</span>
-<span id="L415" class="LineNr">415 </span>      &amp;&amp; <span class="Delimiter">(</span>right == other<span class="Delimiter">.</span>left || *right == *other<span class="Delimiter">.</span>left<span class="Delimiter">))</span>
-<span id="L416" class="LineNr">416 </span>    <span class="Identifier">return</span> *left &lt; *other<span class="Delimiter">.</span>left<span class="Delimiter">;</span>
-<span id="L417" class="LineNr">417 </span>  <span class="Comment">// now the hard case: both sides are not equal</span>
-<span id="L418" class="LineNr">418 </span>  <span class="Comment">// make sure we stay consistent between (a &lt; b) and (b &lt; a)</span>
-<span id="L419" class="LineNr">419 </span>  <span class="Comment">// just return the side with the smallest of the 4 branches</span>
-<span id="L420" class="LineNr">420 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>*left &lt; *other<span class="Delimiter">.</span>left &amp;&amp; *left &lt; *other<span class="Delimiter">.</span>right<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L421" class="LineNr">421 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>*right &lt; *other<span class="Delimiter">.</span>left &amp;&amp; *right &lt; *other<span class="Delimiter">.</span>right<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L422" class="LineNr">422 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L423" class="LineNr">423 </span><span class="Delimiter">}</span>
-<span id="L424" class="LineNr">424 </span><span class="Delimiter">:(before &quot;End Unit Tests&quot;)</span>
-<span id="L425" class="LineNr">425 </span><span class="Comment">// These unit tests don't always use valid types.</span>
-<span id="L426" class="LineNr">426 </span><span class="Normal">void</span> test_compare_atom_types<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L427" class="LineNr">427 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:address&quot;</span><span class="Delimiter">),</span> b<span class="Delimiter">(</span><span class="Constant">&quot;b:boolean&quot;</span><span class="Delimiter">);</span>
-<span id="L428" class="LineNr">428 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>*a<span class="Delimiter">.</span>type &lt; *b<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span id="L429" class="LineNr">429 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*b<span class="Delimiter">.</span>type &lt; *a<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
-<span id="L430" class="LineNr">430 </span><span class="Delimiter">}</span>
-<span id="L431" class="LineNr">431 </span><span class="Normal">void</span> test_compare_equal_atom_types<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L432" class="LineNr">432 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:address&quot;</span><span class="Delimiter">),</span> b<span class="Delimiter">(</span><span class="Constant">&quot;b:address&quot;</span><span class="Delimiter">);</span>
-<span id="L433" class="LineNr">433 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*a<span class="Delimiter">.</span>type &lt; *b<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
-<span id="L434" class="LineNr">434 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*b<span class="Delimiter">.</span>type &lt; *a<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
-<span id="L435" class="LineNr">435 </span><span class="Delimiter">}</span>
-<span id="L436" class="LineNr">436 </span><span class="Normal">void</span> test_compare_atom_with_non_atom<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L437" class="LineNr">437 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:<a href='043space.cc.html#L80'>address</a>:number&quot;</span><span class="Delimiter">),</span> b<span class="Delimiter">(</span><span class="Constant">&quot;b:boolean&quot;</span><span class="Delimiter">);</span>
-<span id="L438" class="LineNr">438 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*a<span class="Delimiter">.</span>type &lt; *b<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
-<span id="L439" class="LineNr">439 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>*b<span class="Delimiter">.</span>type &lt; *a<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span id="L440" class="LineNr">440 </span><span class="Delimiter">}</span>
-<span id="L441" class="LineNr">441 </span><span class="Normal">void</span> test_compare_lists_with_identical_structure<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L442" class="LineNr">442 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:<a href='043space.cc.html#L80'>address</a>:address&quot;</span><span class="Delimiter">),</span> b<span class="Delimiter">(</span><span class="Constant">&quot;b:<a href='043space.cc.html#L80'>address</a>:boolean&quot;</span><span class="Delimiter">);</span>
-<span id="L443" class="LineNr">443 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>*a<span class="Delimiter">.</span>type &lt; *b<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span id="L444" class="LineNr">444 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*b<span class="Delimiter">.</span>type &lt; *a<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
-<span id="L445" class="LineNr">445 </span><span class="Delimiter">}</span>
-<span id="L446" class="LineNr">446 </span><span class="Normal">void</span> test_compare_identical_lists<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L447" class="LineNr">447 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:<a href='043space.cc.html#L80'>address</a>:boolean&quot;</span><span class="Delimiter">),</span> b<span class="Delimiter">(</span><span class="Constant">&quot;b:<a href='043space.cc.html#L80'>address</a>:boolean&quot;</span><span class="Delimiter">);</span>
-<span id="L448" class="LineNr">448 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*a<span class="Delimiter">.</span>type &lt; *b<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
-<span id="L449" class="LineNr">449 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*b<span class="Delimiter">.</span>type &lt; *a<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
-<span id="L450" class="LineNr">450 </span><span class="Delimiter">}</span>
-<span id="L451" class="LineNr">451 </span><span class="Normal">void</span> test_compare_list_with_extra_element<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L452" class="LineNr">452 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:<a href='043space.cc.html#L80'>address</a>:address&quot;</span><span class="Delimiter">),</span> b<span class="Delimiter">(</span><span class="Constant">&quot;b:<a href='043space.cc.html#L80'>address</a>:<a href='043space.cc.html#L80'>address</a>:number&quot;</span><span class="Delimiter">);</span>
-<span id="L453" class="LineNr">453 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>*a<span class="Delimiter">.</span>type &lt; *b<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span id="L454" class="LineNr">454 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*b<span class="Delimiter">.</span>type &lt; *a<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
-<span id="L455" class="LineNr">455 </span><span class="Delimiter">}</span>
-<span id="L456" class="LineNr">456 </span><span class="Normal">void</span> test_compare_list_with_smaller_left_but_larger_right<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L457" class="LineNr">457 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:<a href='043space.cc.html#L80'>address</a>:number&quot;</span><span class="Delimiter">),</span> b<span class="Delimiter">(</span><span class="Constant">&quot;b:character:array&quot;</span><span class="Delimiter">);</span>
-<span id="L458" class="LineNr">458 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>*a<span class="Delimiter">.</span>type &lt; *b<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span id="L459" class="LineNr">459 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*b<span class="Delimiter">.</span>type &lt; *a<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
-<span id="L460" class="LineNr">460 </span><span class="Delimiter">}</span>
-<span id="L461" class="LineNr">461 </span><span class="Normal">void</span> test_compare_list_with_smaller_left_but_larger_right_identical_types<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L462" class="LineNr">462 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:<a href='043space.cc.html#L80'>address</a>:boolean&quot;</span><span class="Delimiter">),</span> b<span class="Delimiter">(</span><span class="Constant">&quot;b:boolean:address&quot;</span><span class="Delimiter">);</span>
-<span id="L463" class="LineNr">463 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>*a<span class="Delimiter">.</span>type &lt; *b<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span id="L464" class="LineNr">464 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*b<span class="Delimiter">.</span>type &lt; *a<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
-<span id="L465" class="LineNr">465 </span><span class="Delimiter">}</span>
-<span id="L466" class="LineNr">466 </span>
-<span id="L467" class="LineNr">467 </span><span class="Delimiter">:(code)</span>
-<span id="L468" class="LineNr">468 </span>string_tree::string_tree<span class="Delimiter">(</span><span class="Normal">const</span> string_tree&amp; original<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L469" class="LineNr">469 </span>  atom = original<span class="Delimiter">.</span>atom<span class="Delimiter">;</span>
-<span id="L470" class="LineNr">470 </span>  value = original<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
-<span id="L471" class="LineNr">471 </span>  left = copy<span class="Delimiter">(</span>original<span class="Delimiter">.</span>left<span class="Delimiter">);</span>
-<span id="L472" class="LineNr">472 </span>  right = copy<span class="Delimiter">(</span>original<span class="Delimiter">.</span>right<span class="Delimiter">);</span>
-<span id="L473" class="LineNr">473 </span><span class="Delimiter">}</span>
-<span id="L474" class="LineNr">474 </span>
-<span id="L475" class="LineNr">475 </span>reagent&amp; reagent::<span class="Normal">operator</span>=<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; other<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L476" class="LineNr">476 </span>  original_string = other<span class="Delimiter">.</span>original_string<span class="Delimiter">;</span>
-<span id="L477" class="LineNr">477 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L478" class="LineNr">478 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">)</span> <span class="Normal">delete</span> properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">;</span>
-<span id="L479" class="LineNr">479 </span>  properties<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L480" class="LineNr">480 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L481" class="LineNr">481 </span>    properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;string<span class="Delimiter">,</span> string_tree*&gt;<span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first<span class="Delimiter">,</span> copy<span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">)));</span>
-<span id="L482" class="LineNr">482 </span>  name = other<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
-<span id="L483" class="LineNr">483 </span>  value = other<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
-<span id="L484" class="LineNr">484 </span>  initialized = other<span class="Delimiter">.</span>initialized<span class="Delimiter">;</span>
-<span id="L485" class="LineNr">485 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">)</span> <span class="Normal">delete</span> type<span class="Delimiter">;</span>
-<span id="L486" class="LineNr">486 </span>  type = copy<span class="Delimiter">(</span>other<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span id="L487" class="LineNr">487 </span>  <span class="Comment">// End reagent Copy Operator</span>
-<span id="L488" class="LineNr">488 </span>  <span class="Identifier">return</span> *<span class="Normal">this</span><span class="Delimiter">;</span>
-<span id="L489" class="LineNr">489 </span><span class="Delimiter">}</span>
-<span id="L490" class="LineNr">490 </span>
-<span id="L491" class="LineNr">491 </span>reagent::~reagent<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L492" class="LineNr">492 </span>  <a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L493" class="LineNr">493 </span><span class="Delimiter">}</span>
-<span id="L494" class="LineNr">494 </span>
-<span id="L495" class="LineNr">495 </span><span class="Normal">void</span> reagent::<a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L496" class="LineNr">496 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L497" class="LineNr">497 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L498" class="LineNr">498 </span>      <span class="Normal">delete</span> properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">;</span>
-<span id="L499" class="LineNr">499 </span>      properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second = <span class="Constant">NULL</span><span class="Delimiter">;</span>
-<span id="L500" class="LineNr">500 </span>    <span class="Delimiter">}</span>
-<span id="L501" class="LineNr">501 </span>  <span class="Delimiter">}</span>
-<span id="L502" class="LineNr">502 </span>  <span class="Normal">delete</span> type<span class="Delimiter">;</span>
-<span id="L503" class="LineNr">503 </span>  type = <span class="Constant">NULL</span><span class="Delimiter">;</span>
-<span id="L504" class="LineNr">504 </span><span class="Delimiter">}</span>
-<span id="L505" class="LineNr">505 </span>type_tree::~type_tree<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L506" class="LineNr">506 </span>  <span class="Normal">delete</span> left<span class="Delimiter">;</span>
-<span id="L507" class="LineNr">507 </span>  <span class="Normal">delete</span> right<span class="Delimiter">;</span>
-<span id="L508" class="LineNr">508 </span><span class="Delimiter">}</span>
-<span id="L509" class="LineNr">509 </span>string_tree::~string_tree<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L510" class="LineNr">510 </span>  <span class="Normal">delete</span> left<span class="Delimiter">;</span>
-<span id="L511" class="LineNr">511 </span>  <span class="Normal">delete</span> right<span class="Delimiter">;</span>
-<span id="L512" class="LineNr">512 </span><span class="Delimiter">}</span>
-<span id="L513" class="LineNr">513 </span>
-<span id="L514" class="LineNr">514 </span><span class="Normal">void</span> append<span class="Delimiter">(</span>type_tree*&amp; base<span class="Delimiter">,</span> type_tree* extra<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L515" class="LineNr">515 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!base<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L516" class="LineNr">516 </span>    base = extra<span class="Delimiter">;</span>
-<span id="L517" class="LineNr">517 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L518" class="LineNr">518 </span>  <span class="Delimiter">}</span>
-<span id="L519" class="LineNr">519 </span>  type_tree* curr = base<span class="Delimiter">;</span>
-<span id="L520" class="LineNr">520 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
-<span id="L521" class="LineNr">521 </span>  curr<span class="Delimiter">-&gt;</span>right = extra<span class="Delimiter">;</span>
-<span id="L522" class="LineNr">522 </span><span class="Delimiter">}</span>
-<span id="L523" class="LineNr">523 </span>
-<span id="L524" class="LineNr">524 </span><span class="Normal">void</span> append<span class="Delimiter">(</span>string_tree*&amp; base<span class="Delimiter">,</span> string_tree* extra<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L525" class="LineNr">525 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!base<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L526" class="LineNr">526 </span>    base = extra<span class="Delimiter">;</span>
-<span id="L527" class="LineNr">527 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L528" class="LineNr">528 </span>  <span class="Delimiter">}</span>
-<span id="L529" class="LineNr">529 </span>  string_tree* curr = base<span class="Delimiter">;</span>
-<span id="L530" class="LineNr">530 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
-<span id="L531" class="LineNr">531 </span>  curr<span class="Delimiter">-&gt;</span>right = extra<span class="Delimiter">;</span>
-<span id="L532" class="LineNr">532 </span><span class="Delimiter">}</span>
-<span id="L533" class="LineNr">533 </span>
-<span id="L534" class="LineNr">534 </span>string slurp_until<span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">,</span> <span class="Normal">char</span> delim<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L535" class="LineNr">535 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L536" class="LineNr">536 </span>  <span class="Normal">char</span> c<span class="Delimiter">;</span>
-<span id="L537" class="LineNr">537 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>in &gt;&gt; c<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L538" class="LineNr">538 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>c == delim<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L539" class="LineNr">539 </span>      <span class="Comment">// drop the delim</span>
-<span id="L540" class="LineNr">540 </span>      <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L541" class="LineNr">541 </span>    <span class="Delimiter">}</span>
-<span id="L542" class="LineNr">542 </span>    out &lt;&lt; c<span class="Delimiter">;</span>
-<span id="L543" class="LineNr">543 </span>  <span class="Delimiter">}</span>
-<span id="L544" class="LineNr">544 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
-<span id="L545" class="LineNr">545 </span><span class="Delimiter">}</span>
-<span id="L546" class="LineNr">546 </span>
-<span id="L547" class="LineNr">547 </span><span class="Normal">bool</span> has_property<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L548" class="LineNr">548 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L549" class="LineNr">549 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first == name<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L550" class="LineNr">550 </span>  <span class="Delimiter">}</span>
-<span id="L551" class="LineNr">551 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L552" class="LineNr">552 </span><span class="Delimiter">}</span>
-<span id="L553" class="LineNr">553 </span>
-<span id="L554" class="LineNr">554 </span>string_tree* property<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L555" class="LineNr">555 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> p = <span class="Constant">0</span><span class="Delimiter">;</span>  p != <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L556" class="LineNr">556 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>p<span class="Delimiter">).</span>first == name<span class="Delimiter">)</span>
-<span id="L557" class="LineNr">557 </span>      <span class="Identifier">return</span> r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>p<span class="Delimiter">).</span>second<span class="Delimiter">;</span>
-<span id="L558" class="LineNr">558 </span>  <span class="Delimiter">}</span>
-<span id="L559" class="LineNr">559 </span>  <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span>
-<span id="L560" class="LineNr">560 </span><span class="Delimiter">}</span>
-<span id="L561" class="LineNr">561 </span>
-<span id="L562" class="LineNr">562 </span>string_tree* copy<span class="Delimiter">(</span><span class="Normal">const</span> string_tree* x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L563" class="LineNr">563 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span>
-<span id="L564" class="LineNr">564 </span>  <span class="Identifier">return</span> <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>*x<span class="Delimiter">);</span>
-<span id="L565" class="LineNr">565 </span><span class="Delimiter">}</span>
-<span id="L566" class="LineNr">566 </span>
-<span id="L567" class="LineNr">567 </span>type_tree* copy<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L568" class="LineNr">568 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span>
-<span id="L569" class="LineNr">569 </span>  <span class="Identifier">return</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*x<span class="Delimiter">);</span>
-<span id="L570" class="LineNr">570 </span><span class="Delimiter">}</span>
-<span id="L571" class="LineNr">571 </span>
-<span id="L572" class="LineNr">572 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
-<span id="L573" class="LineNr">573 </span><span class="Normal">extern</span> <span class="Normal">const</span> string Ignore<span class="Delimiter">(</span><span class="Constant">&quot;,&quot;</span><span class="Delimiter">);</span>  <span class="Comment">// commas are ignored in Mu except within [] strings</span>
-<span id="L574" class="LineNr">574 </span><span class="Delimiter">:(code)</span>
-<span id="L575" class="LineNr">575 </span><span class="Normal">void</span> skip_whitespace_but_not_newline<span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L576" class="LineNr">576 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><span class="Constant">true</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L577" class="LineNr">577 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L578" class="LineNr">578 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> == <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L579" class="LineNr">579 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>isspace<span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()))</span> in<span class="Delimiter">.</span>get<span class="Delimiter">();</span>
-<span id="L580" class="LineNr">580 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Ignore<span class="Delimiter">.</span>find<span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">())</span> != string::npos<span class="Delimiter">)</span> in<span class="Delimiter">.</span>get<span class="Delimiter">();</span>
-<span id="L581" class="LineNr">581 </span>    <span class="Normal">else</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L582" class="LineNr">582 </span>  <span class="Delimiter">}</span>
-<span id="L583" class="LineNr">583 </span><span class="Delimiter">}</span>
-<span id="L584" class="LineNr">584 </span>
-<span id="L585" class="LineNr">585 </span><span class="Normal">void</span> dump_memory<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L586" class="LineNr">586 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;<span class="Normal">int</span><span class="Delimiter">,</span> <span class="Normal">double</span>&gt;::iterator p = Memory<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != Memory<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L587" class="LineNr">587 </span>    cout &lt;&lt; p<span class="Delimiter">-&gt;</span>first &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
-<span id="L588" class="LineNr">588 </span>  <span class="Delimiter">}</span>
-<span id="L589" class="LineNr">589 </span><span class="Delimiter">}</span>
-<span id="L590" class="LineNr">590 </span>
-<span id="L591" class="LineNr">591 </span><span class="SalientComment">//:: Helpers for converting various values to string</span>
-<span id="L592" class="LineNr">592 </span><span class="Comment">//: Use to_string() in trace(), and try to keep it stable from run to run.</span>
-<span id="L593" class="LineNr">593 </span><span class="Comment">//: Use debug_string() while debugging, and throw everything into it.</span>
-<span id="L594" class="LineNr">594 </span><span class="Comment">//: Use inspect() only for emitting a canonical format that can be parsed back</span>
-<span id="L595" class="LineNr">595 </span><span class="Comment">//: into the value.</span>
-<span id="L596" class="LineNr">596 </span>
-<span id="L597" class="LineNr">597 </span>string <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L598" class="LineNr">598 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L599" class="LineNr">599 </span>  out &lt;&lt; <span class="Constant">&quot;recipe &quot;</span> &lt;&lt; r<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L600" class="LineNr">600 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L601" class="LineNr">601 </span>    out &lt;&lt; <span class="Constant">&quot;  &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
-<span id="L602" class="LineNr">602 </span>  out &lt;&lt; <span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L603" class="LineNr">603 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
-<span id="L604" class="LineNr">604 </span><span class="Delimiter">}</span>
-<span id="L605" class="LineNr">605 </span>
-<span id="L606" class="LineNr">606 </span>string to_original_string<span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L607" class="LineNr">607 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L608" class="LineNr">608 </span>  out &lt;&lt; <span class="Constant">&quot;recipe &quot;</span> &lt;&lt; r<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L609" class="LineNr">609 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L610" class="LineNr">610 </span>    out &lt;&lt; <span class="Constant">&quot;  &quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
-<span id="L611" class="LineNr">611 </span>  out &lt;&lt; <span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L612" class="LineNr">612 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
-<span id="L613" class="LineNr">613 </span><span class="Delimiter">}</span>
-<span id="L614" class="LineNr">614 </span>
-<span id="L615" class="LineNr">615 </span>string debug_string<span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L616" class="LineNr">616 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L617" class="LineNr">617 </span>  out &lt;&lt; <span class="Constant">&quot;- <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>name &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
-<span id="L618" class="LineNr">618 </span>  <span class="Comment">// Begin debug_string(recipe x)</span>
-<span id="L619" class="LineNr">619 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L620" class="LineNr">620 </span>    <span class="Normal">const</span> instruction&amp; inst = x<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
-<span id="L621" class="LineNr">621 </span>    out &lt;&lt; <span class="Constant">&quot;inst: &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
-<span id="L622" class="LineNr">622 </span>    out &lt;&lt; <span class="Constant">&quot;  ingredients</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L623" class="LineNr">623 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L624" class="LineNr">624 </span>      out &lt;&lt; <span class="Constant">&quot;    &quot;</span> &lt;&lt; debug_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
-<span id="L625" class="LineNr">625 </span>    out &lt;&lt; <span class="Constant">&quot;  products</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L626" class="LineNr">626 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L627" class="LineNr">627 </span>      out &lt;&lt; <span class="Constant">&quot;    &quot;</span> &lt;&lt; debug_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
-<span id="L628" class="LineNr">628 </span>  <span class="Delimiter">}</span>
-<span id="L629" class="LineNr">629 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
-<span id="L630" class="LineNr">630 </span><span class="Delimiter">}</span>
-<span id="L631" class="LineNr">631 </span>
-<span id="L632" class="LineNr">632 </span>string to_original_string<span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L633" class="LineNr">633 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">return</span> inst<span class="Delimiter">.</span>label<span class="Delimiter">;</span>
-<span id="L634" class="LineNr">634 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>original_string<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> inst<span class="Delimiter">.</span>original_string<span class="Delimiter">;</span>
-<span id="L635" class="LineNr">635 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L636" class="LineNr">636 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L637" class="LineNr">637 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt; <span class="Constant">0</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">&quot;, &quot;</span><span class="Delimiter">;</span>
-<span id="L638" class="LineNr">638 </span>    out &lt;&lt; inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string<span class="Delimiter">;</span>
-<span id="L639" class="LineNr">639 </span>  <span class="Delimiter">}</span>
-<span id="L640" class="LineNr">640 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> out &lt;&lt; <span class="Constant">&quot; &lt;- &quot;</span><span class="Delimiter">;</span>
-<span id="L641" class="LineNr">641 </span>  out &lt;&lt; inst<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
-<span id="L642" class="LineNr">642 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
-<span id="L643" class="LineNr">643 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L644" class="LineNr">644 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt; <span class="Constant">0</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">&quot;, &quot;</span><span class="Delimiter">;</span>
-<span id="L645" class="LineNr">645 </span>    out &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string<span class="Delimiter">;</span>
-<span id="L646" class="LineNr">646 </span>  <span class="Delimiter">}</span>
-<span id="L647" class="LineNr">647 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
-<span id="L648" class="LineNr">648 </span><span class="Delimiter">}</span>
-<span id="L649" class="LineNr">649 </span>
-<span id="L650" class="LineNr">650 </span>string <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L651" class="LineNr">651 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">return</span> inst<span class="Delimiter">.</span>label<span class="Delimiter">;</span>
-<span id="L652" class="LineNr">652 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L653" class="LineNr">653 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L654" class="LineNr">654 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt; <span class="Constant">0</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">&quot;, &quot;</span><span class="Delimiter">;</span>
-<span id="L655" class="LineNr">655 </span>    out &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
-<span id="L656" class="LineNr">656 </span>  <span class="Delimiter">}</span>
-<span id="L657" class="LineNr">657 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> out &lt;&lt; <span class="Constant">&quot; &lt;- &quot;</span><span class="Delimiter">;</span>
-<span id="L658" class="LineNr">658 </span>  out &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
-<span id="L659" class="LineNr">659 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L660" class="LineNr">660 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt; <span class="Constant">0</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">&quot;, &quot;</span><span class="Delimiter">;</span>
-<span id="L661" class="LineNr">661 </span>    out &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
-<span id="L662" class="LineNr">662 </span>  <span class="Delimiter">}</span>
-<span id="L663" class="LineNr">663 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
-<span id="L664" class="LineNr">664 </span><span class="Delimiter">}</span>
-<span id="L665" class="LineNr">665 </span>
-<span id="L666" class="LineNr">666 </span>string <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L667" class="LineNr">667 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">&quot;_&quot;</span><span class="Delimiter">;</span>
-<span id="L668" class="LineNr">668 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L669" class="LineNr">669 </span>  out &lt;&lt; <span class="Constant">&quot;{&quot;</span><span class="Delimiter">;</span>
-<span id="L670" class="LineNr">670 </span>  out &lt;&lt; r<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span id="L671" class="LineNr">671 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L672" class="LineNr">672 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L673" class="LineNr">673 </span>      out &lt;&lt; <span class="Constant">&quot;, </span><span class="cSpecial">\&quot;</span><span class="Constant">&quot;</span> &lt;&lt; r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\&quot;</span><span class="Constant">: &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">);</span>
-<span id="L674" class="LineNr">674 </span>  <span class="Delimiter">}</span>
-<span id="L675" class="LineNr">675 </span>  out &lt;&lt; <span class="Constant">&quot;}&quot;</span><span class="Delimiter">;</span>
-<span id="L676" class="LineNr">676 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
-<span id="L677" class="LineNr">677 </span><span class="Delimiter">}</span>
-<span id="L678" class="LineNr">678 </span>
-<span id="L679" class="LineNr">679 </span><span class="Comment">// special name for ignoring some products</span>
-<span id="L680" class="LineNr">680 </span><span class="Normal">bool</span> is_dummy<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L681" class="LineNr">681 </span>  <span class="Identifier">return</span> x<span class="Delimiter">.</span>name == <span class="Constant">&quot;_&quot;</span><span class="Delimiter">;</span>
-<span id="L682" class="LineNr">682 </span><span class="Delimiter">}</span>
-<span id="L683" class="LineNr">683 </span>
-<span id="L684" class="LineNr">684 </span>string debug_string<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L685" class="LineNr">685 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L686" class="LineNr">686 </span>  out &lt;&lt; x<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>value &lt;&lt; <span class="Constant">' '</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; -- &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>x<span class="Delimiter">);</span>
-<span id="L687" class="LineNr">687 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
-<span id="L688" class="LineNr">688 </span><span class="Delimiter">}</span>
-<span id="L689" class="LineNr">689 </span>
-<span id="L690" class="LineNr">690 </span>string <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span><span class="Normal">const</span> string_tree* property<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L691" class="LineNr">691 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!property<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">&quot;()&quot;</span><span class="Delimiter">;</span>
-<span id="L692" class="LineNr">692 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L693" class="LineNr">693 </span>  <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>property<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
-<span id="L694" class="LineNr">694 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
-<span id="L695" class="LineNr">695 </span><span class="Delimiter">}</span>
-<span id="L696" class="LineNr">696 </span>
-<span id="L697" class="LineNr">697 </span><span class="Normal">void</span> <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span><span class="Normal">const</span> string_tree* x<span class="Delimiter">,</span> ostream&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L698" class="LineNr">698 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L699" class="LineNr">699 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L700" class="LineNr">700 </span>    out &lt;&lt; <span class="Constant">'&quot;'</span> &lt;&lt; x<span class="Delimiter">-&gt;</span>value &lt;&lt; <span class="Constant">'&quot;'</span><span class="Delimiter">;</span>
-<span id="L701" class="LineNr">701 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L702" class="LineNr">702 </span>  <span class="Delimiter">}</span>
-<span id="L703" class="LineNr">703 </span>  out &lt;&lt; <span class="Constant">'('</span><span class="Delimiter">;</span>
-<span id="L704" class="LineNr">704 </span>  <span class="Normal">const</span> string_tree* curr = x<span class="Delimiter">;</span>
-<span id="L705" class="LineNr">705 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>curr &amp;&amp; !curr<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L706" class="LineNr">706 </span>    <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
-<span id="L707" class="LineNr">707 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
-<span id="L708" class="LineNr">708 </span>    curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
-<span id="L709" class="LineNr">709 </span>  <span class="Delimiter">}</span>
-<span id="L710" class="LineNr">710 </span>  <span class="Comment">// check for dotted list; should never happen</span>
-<span id="L711" class="LineNr">711 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L712" class="LineNr">712 </span>    out &lt;&lt; <span class="Constant">&quot;. &quot;</span><span class="Delimiter">;</span>
-<span id="L713" class="LineNr">713 </span>    <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>curr<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
-<span id="L714" class="LineNr">714 </span>  <span class="Delimiter">}</span>
-<span id="L715" class="LineNr">715 </span>  out &lt;&lt; <span class="Constant">')'</span><span class="Delimiter">;</span>
-<span id="L716" class="LineNr">716 </span><span class="Delimiter">}</span>
-<span id="L717" class="LineNr">717 </span>
-<span id="L718" class="LineNr">718 </span>string <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L719" class="LineNr">719 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">&quot;()&quot;</span><span class="Delimiter">;</span>
-<span id="L720" class="LineNr">720 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L721" class="LineNr">721 </span>  <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>type<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
-<span id="L722" class="LineNr">722 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
-<span id="L723" class="LineNr">723 </span><span class="Delimiter">}</span>
-<span id="L724" class="LineNr">724 </span>
-<span id="L725" class="LineNr">725 </span><span class="Normal">void</span> <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span><span class="Normal">const</span> type_tree* x<span class="Delimiter">,</span> ostream&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L726" class="LineNr">726 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L727" class="LineNr">727 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L728" class="LineNr">728 </span>    <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>value<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
-<span id="L729" class="LineNr">729 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L730" class="LineNr">730 </span>  <span class="Delimiter">}</span>
-<span id="L731" class="LineNr">731 </span>  out &lt;&lt; <span class="Constant">'('</span><span class="Delimiter">;</span>
-<span id="L732" class="LineNr">732 </span>  <span class="Normal">const</span> type_tree* curr = x<span class="Delimiter">;</span>
-<span id="L733" class="LineNr">733 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>curr &amp;&amp; !curr<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L734" class="LineNr">734 </span>    <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
-<span id="L735" class="LineNr">735 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
-<span id="L736" class="LineNr">736 </span>    curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
-<span id="L737" class="LineNr">737 </span>  <span class="Delimiter">}</span>
-<span id="L738" class="LineNr">738 </span>  <span class="Comment">// check for dotted list; should never happen</span>
-<span id="L739" class="LineNr">739 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L740" class="LineNr">740 </span>    out &lt;&lt; <span class="Constant">&quot;. &quot;</span><span class="Delimiter">;</span>
-<span id="L741" class="LineNr">741 </span>    <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>curr<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
-<span id="L742" class="LineNr">742 </span>  <span class="Delimiter">}</span>
-<span id="L743" class="LineNr">743 </span>  out &lt;&lt; <span class="Constant">')'</span><span class="Delimiter">;</span>
-<span id="L744" class="LineNr">744 </span><span class="Delimiter">}</span>
-<span id="L745" class="LineNr">745 </span>
-<span id="L746" class="LineNr">746 </span><span class="Normal">void</span> <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span><a href='010vm.cc.html#L123'>type_ordinal</a> type<span class="Delimiter">,</span> ostream&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L747" class="LineNr">747 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">))</span>
-<span id="L748" class="LineNr">748 </span>    out &lt;&lt; get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">).</span>name<span class="Delimiter">;</span>
-<span id="L749" class="LineNr">749 </span>  <span class="Normal">else</span>
-<span id="L750" class="LineNr">750 </span>    out &lt;&lt; <span class="Constant">&quot;?&quot;</span> &lt;&lt; type<span class="Delimiter">;</span>
-<span id="L751" class="LineNr">751 </span><span class="Delimiter">}</span>
-<span id="L752" class="LineNr">752 </span>
-<span id="L753" class="LineNr">753 </span>string names_to_string<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L754" class="LineNr">754 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">&quot;()&quot;</span><span class="Delimiter">;</span>  <span class="Comment">// should never happen</span>
-<span id="L755" class="LineNr">755 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L756" class="LineNr">756 </span>  dump_names<span class="Delimiter">(</span>type<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
-<span id="L757" class="LineNr">757 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
-<span id="L758" class="LineNr">758 </span><span class="Delimiter">}</span>
-<span id="L759" class="LineNr">759 </span>
-<span id="L760" class="LineNr">760 </span><span class="Normal">void</span> dump_names<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* x<span class="Delimiter">,</span> ostream&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L761" class="LineNr">761 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L762" class="LineNr">762 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L763" class="LineNr">763 </span>    out &lt;&lt; <span class="Constant">'&quot;'</span> &lt;&lt; x<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">'&quot;'</span><span class="Delimiter">;</span>
-<span id="L764" class="LineNr">764 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L765" class="LineNr">765 </span>  <span class="Delimiter">}</span>
-<span id="L766" class="LineNr">766 </span>  out &lt;&lt; <span class="Constant">'('</span><span class="Delimiter">;</span>
-<span id="L767" class="LineNr">767 </span>  <span class="Normal">const</span> type_tree* curr = x<span class="Delimiter">;</span>
-<span id="L768" class="LineNr">768 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>curr &amp;&amp; !curr<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L769" class="LineNr">769 </span>    dump_names<span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
-<span id="L770" class="LineNr">770 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
-<span id="L771" class="LineNr">771 </span>    curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
-<span id="L772" class="LineNr">772 </span>  <span class="Delimiter">}</span>
-<span id="L773" class="LineNr">773 </span>  <span class="Comment">// check for dotted list; should never happen</span>
-<span id="L774" class="LineNr">774 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L775" class="LineNr">775 </span>    out &lt;&lt; <span class="Constant">&quot;. &quot;</span><span class="Delimiter">;</span>
-<span id="L776" class="LineNr">776 </span>    dump_names<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
-<span id="L777" class="LineNr">777 </span>  <span class="Delimiter">}</span>
-<span id="L778" class="LineNr">778 </span>  out &lt;&lt; <span class="Constant">')'</span><span class="Delimiter">;</span>
-<span id="L779" class="LineNr">779 </span><span class="Delimiter">}</span>
-<span id="L780" class="LineNr">780 </span>
-<span id="L781" class="LineNr">781 </span>string names_to_string_without_quotes<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L782" class="LineNr">782 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">&quot;()&quot;</span><span class="Delimiter">;</span>
-<span id="L783" class="LineNr">783 </span>  ostringstream out<span class="Delimiter">;</span>
-<span id="L784" class="LineNr">784 </span>  dump_names_without_quotes<span class="Delimiter">(</span>type<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
-<span id="L785" class="LineNr">785 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
-<span id="L786" class="LineNr">786 </span><span class="Delimiter">}</span>
-<span id="L787" class="LineNr">787 </span>
-<span id="L788" class="LineNr">788 </span><span class="Normal">void</span> dump_names_without_quotes<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* x<span class="Delimiter">,</span> ostream&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L789" class="LineNr">789 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L790" class="LineNr">790 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L791" class="LineNr">791 </span>    out &lt;&lt; x<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
-<span id="L792" class="LineNr">792 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L793" class="LineNr">793 </span>  <span class="Delimiter">}</span>
-<span id="L794" class="LineNr">794 </span>  out &lt;&lt; <span class="Constant">'('</span><span class="Delimiter">;</span>
-<span id="L795" class="LineNr">795 </span>  <span class="Normal">const</span> type_tree* curr = x<span class="Delimiter">;</span>
-<span id="L796" class="LineNr">796 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>curr &amp;&amp; !curr<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L797" class="LineNr">797 </span>    dump_names_without_quotes<span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
-<span id="L798" class="LineNr">798 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
-<span id="L799" class="LineNr">799 </span>    curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
-<span id="L800" class="LineNr">800 </span>  <span class="Delimiter">}</span>
-<span id="L801" class="LineNr">801 </span>  <span class="Comment">// check for dotted list; should never happen</span>
-<span id="L802" class="LineNr">802 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L803" class="LineNr">803 </span>    out &lt;&lt; <span class="Constant">&quot;. &quot;</span><span class="Delimiter">;</span>
-<span id="L804" class="LineNr">804 </span>    dump_names_without_quotes<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
-<span id="L805" class="LineNr">805 </span>  <span class="Delimiter">}</span>
-<span id="L806" class="LineNr">806 </span>  out &lt;&lt; <span class="Constant">')'</span><span class="Delimiter">;</span>
-<span id="L807" class="LineNr">807 </span><span class="Delimiter">}</span>
-<span id="L808" class="LineNr">808 </span>
-<span id="L809" class="LineNr">809 </span><span class="Normal">bool</span> is_integer<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; s<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L810" class="LineNr">810 </span>  <span class="Identifier">return</span> s<span class="Delimiter">.</span>find_first_not_of<span class="Delimiter">(</span><span class="Constant">&quot;0123456789-&quot;</span><span class="Delimiter">)</span> == string::npos  <span class="Comment">// no other characters</span>
-<span id="L811" class="LineNr">811 </span>      &amp;&amp; s<span class="Delimiter">.</span>find_first_of<span class="Delimiter">(</span><span class="Constant">&quot;0123456789&quot;</span><span class="Delimiter">)</span> != string::npos  <span class="Comment">// at least one digit</span>
-<span id="L812" class="LineNr">812 </span>      &amp;&amp; s<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">'-'</span><span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">)</span> == string::npos<span class="Delimiter">;</span>  <span class="Comment">// '-' only at first position</span>
-<span id="L813" class="LineNr">813 </span><span class="Delimiter">}</span>
-<span id="L814" class="LineNr">814 </span>
-<span id="L815" class="LineNr">815 </span><span class="Normal">int</span> to_integer<span class="Delimiter">(</span>string n<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L816" class="LineNr">816 </span>  <span class="Normal">char</span>* <a href='003trace.cc.html#L203'>end</a> = <span class="Constant">NULL</span><span class="Delimiter">;</span>
-<span id="L817" class="LineNr">817 </span>  <span class="Comment">// safe because string.c_str() is guaranteed to be null-terminated</span>
-<span id="L818" class="LineNr">818 </span>  <span class="Normal">int</span> result = strtoll<span class="Delimiter">(</span>n<span class="Delimiter">.</span>c_str<span class="Delimiter">(),</span> &amp;end<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">any base</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L819" class="LineNr">819 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>*end != <span class="cSpecial">'\0'</span><span class="Delimiter">)</span> cerr &lt;&lt; <span class="Constant">&quot;tried to convert &quot;</span> &lt;&lt; n &lt;&lt; <span class="Constant">&quot; to number</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L820" class="LineNr">820 </span>  assert<span class="Delimiter">(</span>*end == <span class="cSpecial">'\0'</span><span class="Delimiter">);</span>
-<span id="L821" class="LineNr">821 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
-<span id="L822" class="LineNr">822 </span><span class="Delimiter">}</span>
-<span id="L823" class="LineNr">823 </span>
-<span id="L824" class="LineNr">824 </span><span class="Normal">void</span> test_is_integer<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L825" class="LineNr">825 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>is_integer<span class="Delimiter">(</span><span class="Constant">&quot;1234&quot;</span><span class="Delimiter">));</span>
-<span id="L826" class="LineNr">826 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>is_integer<span class="Delimiter">(</span><span class="Constant">&quot;-1&quot;</span><span class="Delimiter">));</span>
-<span id="L827" class="LineNr">827 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!is_integer<span class="Delimiter">(</span><span class="Constant">&quot;234.0&quot;</span><span class="Delimiter">));</span>
-<span id="L828" class="LineNr">828 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>is_integer<span class="Delimiter">(</span><span class="Constant">&quot;-567&quot;</span><span class="Delimiter">));</span>
-<span id="L829" class="LineNr">829 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!is_integer<span class="Delimiter">(</span><span class="Constant">&quot;89-0&quot;</span><span class="Delimiter">));</span>
-<span id="L830" class="LineNr">830 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!is_integer<span class="Delimiter">(</span><span class="Constant">&quot;-&quot;</span><span class="Delimiter">));</span>
-<span id="L831" class="LineNr">831 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!is_integer<span class="Delimiter">(</span><span class="Constant">&quot;1e3&quot;</span><span class="Delimiter">));</span>  <span class="Comment">// not supported</span>
-<span id="L832" class="LineNr">832 </span><span class="Delimiter">}</span>
-<span id="L833" class="LineNr">833 </span>
-<span id="L834" class="LineNr">834 </span><span class="Comment">//: helper to print numbers without excessive precision</span>
-<span id="L835" class="LineNr">835 </span>
-<span id="L836" class="LineNr">836 </span><span class="Delimiter">:(before &quot;End Types&quot;)</span>
-<span id="L837" class="LineNr">837 </span><span class="Normal">struct</span> no_scientific <span class="Delimiter">{</span>
-<span id="L838" class="LineNr">838 </span>  <span class="Normal">double</span> x<span class="Delimiter">;</span>
-<span id="L839" class="LineNr">839 </span>  <span class="Normal">explicit</span> no_scientific<span class="Delimiter">(</span><span class="Normal">double</span> y<span class="Delimiter">)</span> :x<span class="Delimiter">(</span>y<span class="Delimiter">)</span> <span class="Delimiter">{}</span>
-<span id="L840" class="LineNr">840 </span><span class="Delimiter">};</span>
-<span id="L841" class="LineNr">841 </span>
-<span id="L842" class="LineNr">842 </span><span class="Delimiter">:(code)</span>
-<span id="L843" class="LineNr">843 </span>ostream&amp; <span class="Normal">operator</span>&lt;&lt;<span class="Delimiter">(</span>ostream&amp; os<span class="Delimiter">,</span> no_scientific x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L844" class="LineNr">844 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!isfinite<span class="Delimiter">(</span>x<span class="Delimiter">.</span>x<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L845" class="LineNr">845 </span>    <span class="Comment">// Infinity or NaN</span>
-<span id="L846" class="LineNr">846 </span>    os &lt;&lt; x<span class="Delimiter">.</span>x<span class="Delimiter">;</span>
-<span id="L847" class="LineNr">847 </span>    <span class="Identifier">return</span> os<span class="Delimiter">;</span>
-<span id="L848" class="LineNr">848 </span>  <span class="Delimiter">}</span>
-<span id="L849" class="LineNr">849 </span>  ostringstream tmp<span class="Delimiter">;</span>
-<span id="L850" class="LineNr">850 </span>  <span class="Comment">// more accurate, but too slow</span>
-<span id="L851" class="LineNr">851 </span><span class="CommentedCode">//?   tmp.precision(308);  // for 64-bit numbers</span>
-<span id="L852" class="LineNr">852 </span>  tmp &lt;&lt; std::fixed &lt;&lt; x<span class="Delimiter">.</span>x<span class="Delimiter">;</span>
-<span id="L853" class="LineNr">853 </span>  os &lt;&lt; trim_floating_point<span class="Delimiter">(</span>tmp<span class="Delimiter">.</span>str<span class="Delimiter">());</span>
-<span id="L854" class="LineNr">854 </span>  <span class="Identifier">return</span> os<span class="Delimiter">;</span>
-<span id="L855" class="LineNr">855 </span><span class="Delimiter">}</span>
-<span id="L856" class="LineNr">856 </span>
-<span id="L857" class="LineNr">857 </span>string trim_floating_point<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L858" class="LineNr">858 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>
-<span id="L859" class="LineNr">859 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">'.'</span><span class="Delimiter">)</span> == string::npos<span class="Delimiter">)</span> <span class="Identifier">return</span> in<span class="Delimiter">;</span>
-<span id="L860" class="LineNr">860 </span>  <span class="Normal">int</span> length = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
-<span id="L861" class="LineNr">861 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>length &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L862" class="LineNr">862 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>length-<span class="Constant">1</span><span class="Delimiter">)</span> != <span class="Constant">'0'</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L863" class="LineNr">863 </span>    --length<span class="Delimiter">;</span>
-<span id="L864" class="LineNr">864 </span>  <span class="Delimiter">}</span>
-<span id="L865" class="LineNr">865 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>length-<span class="Constant">1</span><span class="Delimiter">)</span> == <span class="Constant">'.'</span><span class="Delimiter">)</span> --length<span class="Delimiter">;</span>
-<span id="L866" class="LineNr">866 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>length == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">&quot;0&quot;</span><span class="Delimiter">;</span>
-<span id="L867" class="LineNr">867 </span>  <span class="Identifier">return</span> in<span class="Delimiter">.</span>substr<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> length<span class="Delimiter">);</span>
-<span id="L868" class="LineNr">868 </span><span class="Delimiter">}</span>
-<span id="L869" class="LineNr">869 </span>
-<span id="L870" class="LineNr">870 </span><span class="Normal">void</span> test_trim_floating_point<span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L871" class="LineNr">871 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
-<span id="L872" class="LineNr">872 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;.0&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;0&quot;</span><span class="Delimiter">);</span>
-<span id="L873" class="LineNr">873 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;1.5000&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;1.5&quot;</span><span class="Delimiter">);</span>
-<span id="L874" class="LineNr">874 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;1.000001&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;1.000001&quot;</span><span class="Delimiter">);</span>
-<span id="L875" class="LineNr">875 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;23.000000&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;23&quot;</span><span class="Delimiter">);</span>
-<span id="L876" class="LineNr">876 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;23.0&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;23&quot;</span><span class="Delimiter">);</span>
-<span id="L877" class="LineNr">877 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;23.&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;23&quot;</span><span class="Delimiter">);</span>
-<span id="L878" class="LineNr">878 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;23&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;23&quot;</span><span class="Delimiter">);</span>
-<span id="L879" class="LineNr">879 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;230&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;230&quot;</span><span class="Delimiter">);</span>
-<span id="L880" class="LineNr">880 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;3.000000&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;3&quot;</span><span class="Delimiter">);</span>
-<span id="L881" class="LineNr">881 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;3.0&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;3&quot;</span><span class="Delimiter">);</span>
-<span id="L882" class="LineNr">882 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;3.&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;3&quot;</span><span class="Delimiter">);</span>
-<span id="L883" class="LineNr">883 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;3&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;3&quot;</span><span class="Delimiter">);</span>
-<span id="L884" class="LineNr">884 </span><span class="Delimiter">}</span>
-<span id="L885" class="LineNr">885 </span>
-<span id="L886" class="LineNr">886 </span><span class="Delimiter">:(before &quot;End Includes&quot;)</span>
-<span id="L887" class="LineNr">887 </span><span class="PreProc">#include </span><span class="Constant">&lt;utility&gt;</span>
-<span id="L888" class="LineNr">888 </span><span class="Normal">using</span> std::pair<span class="Delimiter">;</span>
-<span id="L889" class="LineNr">889 </span><span class="PreProc">#include </span><span class="Constant">&lt;math.h&gt;</span>
+<span id="L61" class="LineNr"> 61 </span>  reagent<span class="Delimiter">(</span>type_tree* t<span class="Delimiter">)</span> :type<span class="Delimiter">(</span>t<span class="Delimiter">),</span> value<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> initialized<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">)</span> <span class="Delimiter">{}</span>
+<span id="L62" class="LineNr"> 62 </span>  ~reagent<span class="Delimiter">();</span>
+<span id="L63" class="LineNr"> 63 </span>  <span class="Normal">void</span> <a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L64" class="LineNr"> 64 </span>  reagent<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; original<span class="Delimiter">);</span>
+<span id="L65" class="LineNr"> 65 </span>  reagent&amp; <span class="Normal">operator</span>=<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; original<span class="Delimiter">);</span>
+<span id="L66" class="LineNr"> 66 </span>  <span class="Normal">void</span> <a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span><span class="Normal">double</span> v<span class="Delimiter">)</span> <span class="Delimiter">{</span> value = v<span class="Delimiter">;</span>  initialized = <span class="Constant">true</span><span class="Delimiter">;</span> <span class="Delimiter">}</span>
+<span id="L67" class="LineNr"> 67 </span><span class="Delimiter">};</span>
+<span id="L68" class="LineNr"> 68 </span>
+<span id="L69" class="LineNr"> 69 </span><span class="Delimiter">:(before &quot;struct reagent&quot;)</span>
+<span id="L70" class="LineNr"> 70 </span><span class="Comment">// Types can range from a simple type ordinal, to arbitrarily complex trees of</span>
+<span id="L71" class="LineNr"> 71 </span><span class="Comment">// type parameters, like (map (address array character) (list number))</span>
+<span id="L72" class="LineNr"> 72 </span><span class="Normal">struct</span> type_tree <span class="Delimiter">{</span>
+<span id="L73" class="LineNr"> 73 </span>  <span class="Normal">bool</span> atom<span class="Delimiter">;</span>
+<span id="L74" class="LineNr"> 74 </span>  string name<span class="Delimiter">;</span>  <span class="Comment">// only if atom</span>
+<span id="L75" class="LineNr"> 75 </span>  <a href='010vm.cc.html#L124'>type_ordinal</a> value<span class="Delimiter">;</span>  <span class="Comment">// only if atom</span>
+<span id="L76" class="LineNr"> 76 </span>  type_tree* left<span class="Delimiter">;</span>  <span class="Comment">// only if !atom</span>
+<span id="L77" class="LineNr"> 77 </span>  type_tree* right<span class="Delimiter">;</span>  <span class="Comment">// only if !atom</span>
+<span id="L78" class="LineNr"> 78 </span>  ~type_tree<span class="Delimiter">();</span>
+<span id="L79" class="LineNr"> 79 </span>  type_tree<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; original<span class="Delimiter">);</span>
+<span id="L80" class="LineNr"> 80 </span>  <span class="Comment">// atomic type ordinal</span>
+<span id="L81" class="LineNr"> 81 </span>  <span class="Normal">explicit</span> type_tree<span class="Delimiter">(</span>string name<span class="Delimiter">);</span>
+<span id="L82" class="LineNr"> 82 </span>  type_tree<span class="Delimiter">(</span>string name<span class="Delimiter">,</span> <a href='010vm.cc.html#L124'>type_ordinal</a> v<span class="Delimiter">)</span> :atom<span class="Delimiter">(</span><span class="Constant">true</span><span class="Delimiter">),</span> name<span class="Delimiter">(</span>name<span class="Delimiter">),</span> value<span class="Delimiter">(</span>v<span class="Delimiter">),</span> left<span class="Delimiter">(</span><span class="Constant">NULL</span><span class="Delimiter">),</span> right<span class="Delimiter">(</span><span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{}</span>
+<span id="L83" class="LineNr"> 83 </span>  <span class="Comment">// tree of type ordinals</span>
+<span id="L84" class="LineNr"> 84 </span>  type_tree<span class="Delimiter">(</span>type_tree* l<span class="Delimiter">,</span> type_tree* r<span class="Delimiter">)</span> :atom<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">),</span> value<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> left<span class="Delimiter">(</span>l<span class="Delimiter">),</span> right<span class="Delimiter">(</span>r<span class="Delimiter">)</span> <span class="Delimiter">{}</span>
+<span id="L85" class="LineNr"> 85 </span>  type_tree&amp; <span class="Normal">operator</span>=<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; original<span class="Delimiter">);</span>
+<span id="L86" class="LineNr"> 86 </span>  <span class="Normal">bool</span> <span class="Normal">operator</span>==<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; other<span class="Delimiter">)</span> <span class="Normal">const</span><span class="Delimiter">;</span>
+<span id="L87" class="LineNr"> 87 </span>  <span class="Normal">bool</span> <span class="Normal">operator</span>!=<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; other<span class="Delimiter">)</span> <span class="Normal">const</span> <span class="Delimiter">{</span> <span class="Identifier">return</span> !<span class="Normal">operator</span>==<span class="Delimiter">(</span>other<span class="Delimiter">);</span> <span class="Delimiter">}</span>
+<span id="L88" class="LineNr"> 88 </span>  <span class="Normal">bool</span> <span class="Normal">operator</span>&lt;<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; other<span class="Delimiter">)</span> <span class="Normal">const</span><span class="Delimiter">;</span>
+<span id="L89" class="LineNr"> 89 </span>  <span class="Normal">bool</span> <span class="Normal">operator</span>&gt;<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; other<span class="Delimiter">)</span> <span class="Normal">const</span> <span class="Delimiter">{</span> <span class="Identifier">return</span> other<span class="Delimiter">.</span><span class="Normal">operator</span>&lt;<span class="Delimiter">(</span>*<span class="Normal">this</span><span class="Delimiter">);</span> <span class="Delimiter">}</span>
+<span id="L90" class="LineNr"> 90 </span><span class="Delimiter">};</span>
+<span id="L91" class="LineNr"> 91 </span>
+<span id="L92" class="LineNr"> 92 </span><span class="Normal">struct</span> string_tree <span class="Delimiter">{</span>
+<span id="L93" class="LineNr"> 93 </span>  <span class="Normal">bool</span> atom<span class="Delimiter">;</span>
+<span id="L94" class="LineNr"> 94 </span>  string value<span class="Delimiter">;</span>  <span class="Comment">// only if atom</span>
+<span id="L95" class="LineNr"> 95 </span>  string_tree* left<span class="Delimiter">;</span>  <span class="Comment">// only if !atom</span>
+<span id="L96" class="LineNr"> 96 </span>  string_tree* right<span class="Delimiter">;</span>  <span class="Comment">// only if !atom</span>
+<span id="L97" class="LineNr"> 97 </span>  ~string_tree<span class="Delimiter">();</span>
+<span id="L98" class="LineNr"> 98 </span>  string_tree<span class="Delimiter">(</span><span class="Normal">const</span> string_tree&amp; original<span class="Delimiter">);</span>
+<span id="L99" class="LineNr"> 99 </span>  <span class="Comment">// atomic string</span>
+<span id="L100" class="LineNr">100 </span>  <span class="Normal">explicit</span> string_tree<span class="Delimiter">(</span>string v<span class="Delimiter">)</span> :atom<span class="Delimiter">(</span><span class="Constant">true</span><span class="Delimiter">),</span> value<span class="Delimiter">(</span>v<span class="Delimiter">),</span> left<span class="Delimiter">(</span><span class="Constant">NULL</span><span class="Delimiter">),</span> right<span class="Delimiter">(</span><span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{}</span>
+<span id="L101" class="LineNr">101 </span>  <span class="Comment">// tree of strings</span>
+<span id="L102" class="LineNr">102 </span>  string_tree<span class="Delimiter">(</span>string_tree* l<span class="Delimiter">,</span> string_tree* r<span class="Delimiter">)</span> :atom<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">),</span> left<span class="Delimiter">(</span>l<span class="Delimiter">),</span> right<span class="Delimiter">(</span>r<span class="Delimiter">)</span> <span class="Delimiter">{}</span>
+<span id="L103" class="LineNr">103 </span><span class="Delimiter">};</span>
+<span id="L104" class="LineNr">104 </span>
+<span id="L105" class="LineNr">105 </span><span class="Comment">// End type_tree Definition</span>
+<span id="L106" class="LineNr">106 </span><span class="Delimiter">:(code)</span>
+<span id="L107" class="LineNr">107 </span>type_tree::type_tree<span class="Delimiter">(</span>string name<span class="Delimiter">)</span> :atom<span class="Delimiter">(</span><span class="Constant">true</span><span class="Delimiter">),</span> name<span class="Delimiter">(</span>name<span class="Delimiter">),</span> value<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> name<span class="Delimiter">)),</span> left<span class="Delimiter">(</span><span class="Constant">NULL</span><span class="Delimiter">),</span> right<span class="Delimiter">(</span><span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{}</span>
+<span id="L108" class="LineNr">108 </span>
+<span id="L109" class="LineNr">109 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
+<span id="L110" class="LineNr">110 </span><span class="Comment">// Locations refer to a common 'memory'. Each location can store a number.</span>
+<span id="L111" class="LineNr">111 </span>map&lt;<span class="Normal">int</span><span class="Delimiter">,</span> <span class="Normal">double</span>&gt; Memory<span class="Delimiter">;</span>
+<span id="L112" class="LineNr">112 </span><span class="Delimiter">:(before &quot;End Reset&quot;)</span>
+<span id="L113" class="LineNr">113 </span>Memory<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L114" class="LineNr">114 </span>
+<span id="L115" class="LineNr">115 </span><span class="Delimiter">:(after &quot;Types&quot;)</span>
+<span id="L116" class="LineNr">116 </span><span class="Comment">// Mu types encode how the numbers stored in different parts of memory are</span>
+<span id="L117" class="LineNr">117 </span><span class="Comment">// interpreted. A location tagged as a 'character' type will interpret the</span>
+<span id="L118" class="LineNr">118 </span><span class="Comment">// value 97 as the letter 'a', while a different location of type 'number'</span>
+<span id="L119" class="LineNr">119 </span><span class="Comment">// would not.</span>
+<span id="L120" class="LineNr">120 </span><span class="Comment">//</span>
+<span id="L121" class="LineNr">121 </span><span class="Comment">// Unlike most computers today, Mu stores types in a single big table, shared</span>
+<span id="L122" class="LineNr">122 </span><span class="Comment">// by all the Mu programs on the computer. This is useful in providing a</span>
+<span id="L123" class="LineNr">123 </span><span class="Comment">// seamless experience to help understand arbitrary Mu programs.</span>
+<span id="L124" class="LineNr">124 </span><span class="Normal">typedef</span> <span class="Normal">int</span> <a href='010vm.cc.html#L124'>type_ordinal</a><span class="Delimiter">;</span>
+<span id="L125" class="LineNr">125 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
+<span id="L126" class="LineNr">126 </span>map&lt;string<span class="Delimiter">,</span> type_ordinal&gt; Type_ordinal<span class="Delimiter">;</span>
+<span id="L127" class="LineNr">127 </span>map&lt;type_ordinal<span class="Delimiter">,</span> type_info&gt; Type<span class="Delimiter">;</span>
+<span id="L128" class="LineNr">128 </span><a href='010vm.cc.html#L124'>type_ordinal</a> Next_type_ordinal = <span class="Constant">1</span><span class="Delimiter">;</span>
+<span id="L129" class="LineNr">129 </span><span class="Delimiter">:(code)</span>
+<span id="L130" class="LineNr">130 </span><span class="Normal">void</span> <a href='010vm.cc.html#L130'>setup_types</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L131" class="LineNr">131 </span>  Type<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>  Type_ordinal<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L132" class="LineNr">132 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L133" class="LineNr">133 </span>  Next_type_ordinal = <span class="Constant">1</span><span class="Delimiter">;</span>
+<span id="L134" class="LineNr">134 </span>  <span class="Comment">// Mu Types Initialization</span>
+<span id="L135" class="LineNr">135 </span>  <a href='010vm.cc.html#L124'>type_ordinal</a> number = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;number&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L136" class="LineNr">136 </span>  <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> number<span class="Delimiter">).</span>name = <span class="Constant">&quot;number&quot;</span><span class="Delimiter">;</span>
+<span id="L137" class="LineNr">137 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;location&quot;</span><span class="Delimiter">,</span> number<span class="Delimiter">);</span>  <span class="Comment">// synonym of number to indicate we only care about its size</span>
+<span id="L138" class="LineNr">138 </span>  <a href='010vm.cc.html#L124'>type_ordinal</a> <a href='043space.cc.html#L80'>address</a> = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L139" class="LineNr">139 </span>  <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> <a href='043space.cc.html#L80'>address</a><span class="Delimiter">).</span>name = <span class="Constant">&quot;address&quot;</span><span class="Delimiter">;</span>
+<span id="L140" class="LineNr">140 </span>  <a href='010vm.cc.html#L124'>type_ordinal</a> boolean = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;boolean&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L141" class="LineNr">141 </span>  <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> boolean<span class="Delimiter">).</span>name = <span class="Constant">&quot;boolean&quot;</span><span class="Delimiter">;</span>
+<span id="L142" class="LineNr">142 </span>  <a href='010vm.cc.html#L124'>type_ordinal</a> character = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;character&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L143" class="LineNr">143 </span>  <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> character<span class="Delimiter">).</span>name = <span class="Constant">&quot;character&quot;</span><span class="Delimiter">;</span>
+<span id="L144" class="LineNr">144 </span>  <span class="Comment">// Array types are a special modifier to any other type. For example,</span>
+<span id="L145" class="LineNr">145 </span>  <span class="Comment">// array:number or array:address:boolean.</span>
+<span id="L146" class="LineNr">146 </span>  <a href='010vm.cc.html#L124'>type_ordinal</a> array = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;array&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L147" class="LineNr">147 </span>  <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> array<span class="Delimiter">).</span>name = <span class="Constant">&quot;array&quot;</span><span class="Delimiter">;</span>
+<span id="L148" class="LineNr">148 </span>  <span class="Comment">// End Mu Types Initialization</span>
+<span id="L149" class="LineNr">149 </span><span class="Delimiter">}</span>
+<span id="L150" class="LineNr">150 </span><span class="Normal">void</span> <a href='010vm.cc.html#L150'>teardown_types</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L151" class="LineNr">151 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;type_ordinal<span class="Delimiter">,</span> type_info&gt;::iterator p = Type<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != Type<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L152" class="LineNr">152 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L153" class="LineNr">153 </span>      p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">.</span>elements<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L154" class="LineNr">154 </span>  <span class="Delimiter">}</span>
+<span id="L155" class="LineNr">155 </span>  Type_ordinal<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L156" class="LineNr">156 </span><span class="Delimiter">}</span>
+<span id="L157" class="LineNr">157 </span><span class="Delimiter">:(before &quot;End One-time Setup&quot;)</span>
+<span id="L158" class="LineNr">158 </span><a href='010vm.cc.html#L130'>setup_types</a><span class="Delimiter">();</span>
+<span id="L159" class="LineNr">159 </span>atexit<span class="Delimiter">(</span><a href='010vm.cc.html#L150'>teardown_types</a><span class="Delimiter">);</span>
+<span id="L160" class="LineNr">160 </span>
+<span id="L161" class="LineNr">161 </span><span class="Delimiter">:(before &quot;End Types&quot;)</span>
+<span id="L162" class="LineNr">162 </span><span class="Comment">// You can construct arbitrary new types. New types are either 'containers'</span>
+<span id="L163" class="LineNr">163 </span><span class="Comment">// with multiple 'elements' of other types, or 'exclusive containers' containing</span>
+<span id="L164" class="LineNr">164 </span><span class="Comment">// one of multiple 'variants'. (These are similar to C structs and unions,</span>
+<span id="L165" class="LineNr">165 </span><span class="Comment">// respectively, though exclusive containers implicitly include a tag element</span>
+<span id="L166" class="LineNr">166 </span><span class="Comment">// recording which variant they should be interpreted as.)</span>
+<span id="L167" class="LineNr">167 </span><span class="Comment">//</span>
+<span id="L168" class="LineNr">168 </span><span class="Comment">// For example, storing bank balance and name for an account might require a</span>
+<span id="L169" class="LineNr">169 </span><span class="Comment">// container, but if bank accounts may be either for individuals or groups,</span>
+<span id="L170" class="LineNr">170 </span><span class="Comment">// with different properties for each, that may require an exclusive container</span>
+<span id="L171" class="LineNr">171 </span><span class="Comment">// whose variants are individual-account and joint-account containers.</span>
+<span id="L172" class="LineNr">172 </span><span class="Normal">enum</span> <a href='010vm.cc.html#L172'>kind_of_type</a> <span class="Delimiter">{</span>
+<span id="L173" class="LineNr">173 </span>  <a href='010vm.cc.html#L173'>PRIMITIVE</a><span class="Delimiter">,</span>
+<span id="L174" class="LineNr">174 </span>  <a href='010vm.cc.html#L174'>CONTAINER</a><span class="Delimiter">,</span>
+<span id="L175" class="LineNr">175 </span>  <a href='010vm.cc.html#L175'>EXCLUSIVE_CONTAINER</a>
+<span id="L176" class="LineNr">176 </span><span class="Delimiter">};</span>
+<span id="L177" class="LineNr">177 </span>
+<span id="L178" class="LineNr">178 </span><span class="Normal">struct</span> type_info <span class="Delimiter">{</span>
+<span id="L179" class="LineNr">179 </span>  string name<span class="Delimiter">;</span>
+<span id="L180" class="LineNr">180 </span>  <a href='010vm.cc.html#L172'>kind_of_type</a> kind<span class="Delimiter">;</span>
+<span id="L181" class="LineNr">181 </span>  vector&lt;reagent&gt; elements<span class="Delimiter">;</span>
+<span id="L182" class="LineNr">182 </span>  <span class="Comment">// End type_info Fields</span>
+<span id="L183" class="LineNr">183 </span>  type_info<span class="Delimiter">()</span> :kind<span class="Delimiter">(</span><a href='010vm.cc.html#L173'>PRIMITIVE</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L184" class="LineNr">184 </span>    <span class="Comment">// End type_info Constructor</span>
+<span id="L185" class="LineNr">185 </span>  <span class="Delimiter">}</span>
+<span id="L186" class="LineNr">186 </span><span class="Delimiter">};</span>
+<span id="L187" class="LineNr">187 </span>
+<span id="L188" class="LineNr">188 </span><span class="Normal">enum</span> <a href='010vm.cc.html#L188'>primitive_recipes</a> <span class="Delimiter">{</span>
+<span id="L189" class="LineNr">189 </span>  <a href='010vm.cc.html#L189'>IDLE</a> = <span class="Constant">0</span><span class="Delimiter">,</span>
+<span id="L190" class="LineNr">190 </span>  <a href='010vm.cc.html#L190'>COPY</a><span class="Delimiter">,</span>
+<span id="L191" class="LineNr">191 </span>  <span class="Comment">// End Primitive Recipe Declarations</span>
+<span id="L192" class="LineNr">192 </span>  <a href='010vm.cc.html#L192'>MAX_PRIMITIVE_RECIPES</a><span class="Delimiter">,</span>
+<span id="L193" class="LineNr">193 </span><span class="Delimiter">};</span>
+<span id="L194" class="LineNr">194 </span><span class="Delimiter">:(code)</span>
+<span id="L195" class="LineNr">195 </span><span class="Comment">//: It's all very well to construct recipes out of other recipes, but we need</span>
+<span id="L196" class="LineNr">196 </span><span class="Comment">//: to know how to do *something* out of the box. For the following</span>
+<span id="L197" class="LineNr">197 </span><span class="Comment">//: recipes there are only codes, no entries in the book, because Mu just knows</span>
+<span id="L198" class="LineNr">198 </span><span class="Comment">//: what to do for them.</span>
+<span id="L199" class="LineNr">199 </span><span class="Normal">void</span> <a href='010vm.cc.html#L199'>setup_recipes</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L200" class="LineNr">200 </span>  Recipe<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>  Recipe_ordinal<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L201" class="LineNr">201 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;idle&quot;</span><span class="Delimiter">,</span> <a href='010vm.cc.html#L189'>IDLE</a><span class="Delimiter">);</span>
+<span id="L202" class="LineNr">202 </span>  <span class="Comment">// Primitive Recipe Numbers</span>
+<span id="L203" class="LineNr">203 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;copy&quot;</span><span class="Delimiter">,</span> <a href='010vm.cc.html#L190'>COPY</a><span class="Delimiter">);</span>
+<span id="L204" class="LineNr">204 </span>  <span class="Comment">// End Primitive Recipe Numbers</span>
+<span id="L205" class="LineNr">205 </span><span class="Delimiter">}</span>
+<span id="L206" class="LineNr">206 </span><span class="Comment">//: We could just reset the recipe table after every test, but that gets slow</span>
+<span id="L207" class="LineNr">207 </span><span class="Comment">//: all too quickly. Instead, initialize the common stuff just once at</span>
+<span id="L208" class="LineNr">208 </span><span class="Comment">//: startup. Later layers will carefully undo each test's additions after</span>
+<span id="L209" class="LineNr">209 </span><span class="Comment">//: itself.</span>
+<span id="L210" class="LineNr">210 </span><span class="Delimiter">:(before &quot;End One-time Setup&quot;)</span>
+<span id="L211" class="LineNr">211 </span><a href='010vm.cc.html#L199'>setup_recipes</a><span class="Delimiter">();</span>
+<span id="L212" class="LineNr">212 </span>assert<span class="Delimiter">(</span><a href='010vm.cc.html#L192'>MAX_PRIMITIVE_RECIPES</a> &lt; <span class="Constant">200</span><span class="Delimiter">);</span>  <span class="Comment">// level 0 is primitives; until 199</span>
+<span id="L213" class="LineNr">213 </span>Next_recipe_ordinal = <span class="Constant">200</span><span class="Delimiter">;</span>
+<span id="L214" class="LineNr">214 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;main&quot;</span><span class="Delimiter">,</span> Next_recipe_ordinal++<span class="Delimiter">);</span>
+<span id="L215" class="LineNr">215 </span><span class="Comment">// End Load Recipes</span>
+<span id="L216" class="LineNr">216 </span><span class="Delimiter">:(before &quot;End Commandline Parsing&quot;)</span>
+<span id="L217" class="LineNr">217 </span>assert<span class="Delimiter">(</span>Next_recipe_ordinal &lt; <span class="Constant">1000</span><span class="Delimiter">);</span>  <span class="Comment">// recipes being tested didn't overflow into test space</span>
+<span id="L218" class="LineNr">218 </span><span class="Delimiter">:(before &quot;End Reset&quot;)</span>
+<span id="L219" class="LineNr">219 </span>Next_recipe_ordinal = <span class="Constant">1000</span><span class="Delimiter">;</span>  <span class="Comment">// consistent new numbers for each test</span>
+<span id="L220" class="LineNr">220 </span>
+<span id="L221" class="LineNr">221 </span><span class="Comment">//: One final detail: tests can modify our global tables of recipes and types,</span>
+<span id="L222" class="LineNr">222 </span><span class="Comment">//: so we need some way to clean up after each test is done so it doesn't</span>
+<span id="L223" class="LineNr">223 </span><span class="Comment">//: influence later ones.</span>
+<span id="L224" class="LineNr">224 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
+<span id="L225" class="LineNr">225 </span>map&lt;string<span class="Delimiter">,</span> recipe_ordinal&gt; Recipe_ordinal_snapshot<span class="Delimiter">;</span>
+<span id="L226" class="LineNr">226 </span>map&lt;recipe_ordinal<span class="Delimiter">,</span> recipe&gt; Recipe_snapshot<span class="Delimiter">;</span>
+<span id="L227" class="LineNr">227 </span>map&lt;string<span class="Delimiter">,</span> type_ordinal&gt; Type_ordinal_snapshot<span class="Delimiter">;</span>
+<span id="L228" class="LineNr">228 </span>map&lt;type_ordinal<span class="Delimiter">,</span> type_info&gt; Type_snapshot<span class="Delimiter">;</span>
+<span id="L229" class="LineNr">229 </span><span class="Delimiter">:(before &quot;End One-time Setup&quot;)</span>
+<span id="L230" class="LineNr">230 </span>save_snapshots<span class="Delimiter">();</span>
+<span id="L231" class="LineNr">231 </span><span class="Delimiter">:(before &quot;End Reset&quot;)</span>
+<span id="L232" class="LineNr">232 </span>restore_snapshots<span class="Delimiter">();</span>
+<span id="L233" class="LineNr">233 </span>
+<span id="L234" class="LineNr">234 </span><span class="Delimiter">:(code)</span>
+<span id="L235" class="LineNr">235 </span><span class="Normal">void</span> save_snapshots<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L236" class="LineNr">236 </span>  Recipe_ordinal_snapshot = Recipe_ordinal<span class="Delimiter">;</span>
+<span id="L237" class="LineNr">237 </span>  Recipe_snapshot = Recipe<span class="Delimiter">;</span>
+<span id="L238" class="LineNr">238 </span>  Type_ordinal_snapshot = Type_ordinal<span class="Delimiter">;</span>
+<span id="L239" class="LineNr">239 </span>  Type_snapshot = Type<span class="Delimiter">;</span>
+<span id="L240" class="LineNr">240 </span>  <span class="Comment">// End save_snapshots</span>
+<span id="L241" class="LineNr">241 </span><span class="Delimiter">}</span>
+<span id="L242" class="LineNr">242 </span>
+<span id="L243" class="LineNr">243 </span><span class="Normal">void</span> restore_snapshots<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L244" class="LineNr">244 </span>  Recipe = Recipe_snapshot<span class="Delimiter">;</span>
+<span id="L245" class="LineNr">245 </span>  Recipe_ordinal = Recipe_ordinal_snapshot<span class="Delimiter">;</span>
+<span id="L246" class="LineNr">246 </span>  restore_non_recipe_snapshots<span class="Delimiter">();</span>
+<span id="L247" class="LineNr">247 </span><span class="Delimiter">}</span>
+<span id="L248" class="LineNr">248 </span><span class="Comment">// when running sandboxes in the edit/ app we'll want to restore everything except recipes defined in the app</span>
+<span id="L249" class="LineNr">249 </span><span class="Normal">void</span> restore_non_recipe_snapshots<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L250" class="LineNr">250 </span>  Type_ordinal = Type_ordinal_snapshot<span class="Delimiter">;</span>
+<span id="L251" class="LineNr">251 </span>  Type = Type_snapshot<span class="Delimiter">;</span>
+<span id="L252" class="LineNr">252 </span>  <span class="Comment">// End restore_snapshots</span>
+<span id="L253" class="LineNr">253 </span><span class="Delimiter">}</span>
+<span id="L254" class="LineNr">254 </span>
+<span id="L255" class="LineNr">255 </span><span class="SalientComment">//:: Helpers</span>
+<span id="L256" class="LineNr">256 </span>
+<span id="L257" class="LineNr">257 </span><span class="Delimiter">:(code)</span>
+<span id="L258" class="LineNr">258 </span><span class="muRecipe"><a href='010vm.cc.html#L19'>recipe</a></span>::<a href='010vm.cc.html#L19'>recipe</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L259" class="LineNr">259 </span>  <span class="Comment">// End recipe Constructor</span>
+<span id="L260" class="LineNr">260 </span><span class="Delimiter">}</span>
+<span id="L261" class="LineNr">261 </span>
+<span id="L262" class="LineNr">262 </span><a href='010vm.cc.html#L32'>instruction</a>::<a href='010vm.cc.html#L32'>instruction</a><span class="Delimiter">()</span> :is_label<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">),</span> operation<span class="Delimiter">(</span><a href='010vm.cc.html#L189'>IDLE</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L263" class="LineNr">263 </span>  <span class="Comment">// End instruction Constructor</span>
+<span id="L264" class="LineNr">264 </span><span class="Delimiter">}</span>
+<span id="L265" class="LineNr">265 </span><span class="Normal">void</span> <a href='010vm.cc.html#L32'>instruction</a>::<a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L266" class="LineNr">266 </span>  is_label=<span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L267" class="LineNr">267 </span>  label<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L268" class="LineNr">268 </span>  name<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L269" class="LineNr">269 </span>  operation=IDLE<span class="Delimiter">;</span>
+<span id="L270" class="LineNr">270 </span>  ingredients<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L271" class="LineNr">271 </span>  products<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L272" class="LineNr">272 </span>  original_string<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L273" class="LineNr">273 </span>  <span class="Comment">// End instruction Clear</span>
+<span id="L274" class="LineNr">274 </span><span class="Delimiter">}</span>
+<span id="L275" class="LineNr">275 </span><span class="Normal">bool</span> <a href='010vm.cc.html#L32'>instruction</a>::is_empty<span class="Delimiter">()</span> <span class="Delimiter">{</span> <span class="Identifier">return</span> !is_label &amp;&amp; name<span class="Delimiter">.</span>empty<span class="Delimiter">();</span> <span class="Delimiter">}</span>
+<span id="L276" class="LineNr">276 </span>
+<span id="L277" class="LineNr">277 </span><span class="Comment">// Reagents have the form &lt;name&gt;:&lt;type&gt;:&lt;type&gt;:.../&lt;property&gt;/&lt;property&gt;/...</span>
+<span id="L278" class="LineNr">278 </span>reagent::reagent<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; s<span class="Delimiter">)</span> :original_string<span class="Delimiter">(</span>s<span class="Delimiter">),</span> type<span class="Delimiter">(</span><span class="Constant">NULL</span><span class="Delimiter">),</span> value<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> initialized<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L279" class="LineNr">279 </span>  <span class="Comment">// Parsing reagent(string s)</span>
+<span id="L280" class="LineNr">280 </span>  istringstream in<span class="Delimiter">(</span>s<span class="Delimiter">);</span>
+<span id="L281" class="LineNr">281 </span>  in &gt;&gt; std::noskipws<span class="Delimiter">;</span>
+<span id="L282" class="LineNr">282 </span>  <span class="Comment">// name and type</span>
+<span id="L283" class="LineNr">283 </span>  istringstream first_row<span class="Delimiter">(</span>slurp_until<span class="Delimiter">(</span>in<span class="Delimiter">,</span> <span class="Constant">'/'</span><span class="Delimiter">));</span>
+<span id="L284" class="LineNr">284 </span>  first_row &gt;&gt; std::noskipws<span class="Delimiter">;</span>
+<span id="L285" class="LineNr">285 </span>  name = slurp_until<span class="Delimiter">(</span>first_row<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">);</span>
+<span id="L286" class="LineNr">286 </span>  string_tree* type_names = parse_property_list<span class="Delimiter">(</span>first_row<span class="Delimiter">);</span>
+<span id="L287" class="LineNr">287 </span>  <span class="Comment">// End Parsing Reagent Type Property(type_names)</span>
+<span id="L288" class="LineNr">288 </span>  type = <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span>type_names<span class="Delimiter">);</span>
+<span id="L289" class="LineNr">289 </span>  <span class="Normal">delete</span> type_names<span class="Delimiter">;</span>
+<span id="L290" class="LineNr">290 </span>  <span class="Comment">// special cases</span>
+<span id="L291" class="LineNr">291 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_integer<span class="Delimiter">(</span>name<span class="Delimiter">)</span> &amp;&amp; type == <span class="Constant">NULL</span><span class="Delimiter">)</span>
+<span id="L292" class="LineNr">292 </span>    type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">&quot;literal&quot;</span><span class="Delimiter">);</span>
+<span id="L293" class="LineNr">293 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>name == <span class="Constant">&quot;_&quot;</span> &amp;&amp; type == <span class="Constant">NULL</span><span class="Delimiter">)</span>
+<span id="L294" class="LineNr">294 </span>    type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">&quot;literal&quot;</span><span class="Delimiter">);</span>
+<span id="L295" class="LineNr">295 </span>  <span class="Comment">// other properties</span>
+<span id="L296" class="LineNr">296 </span>  slurp_properties<span class="Delimiter">(</span>in<span class="Delimiter">,</span> properties<span class="Delimiter">);</span>
+<span id="L297" class="LineNr">297 </span>  <span class="Comment">// End Parsing reagent</span>
+<span id="L298" class="LineNr">298 </span><span class="Delimiter">}</span>
+<span id="L299" class="LineNr">299 </span>
+<span id="L300" class="LineNr">300 </span><span class="Normal">void</span> slurp_properties<span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">,</span> vector&lt;pair&lt;string<span class="Delimiter">,</span> string_tree*&gt; &gt;&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L301" class="LineNr">301 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L239'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L302" class="LineNr">302 </span>    istringstream row<span class="Delimiter">(</span>slurp_until<span class="Delimiter">(</span>in<span class="Delimiter">,</span> <span class="Constant">'/'</span><span class="Delimiter">));</span>
+<span id="L303" class="LineNr">303 </span>    row &gt;&gt; std::noskipws<span class="Delimiter">;</span>
+<span id="L304" class="LineNr">304 </span>    string key = slurp_until<span class="Delimiter">(</span>row<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">);</span>
+<span id="L305" class="LineNr">305 </span>    string_tree* value = parse_property_list<span class="Delimiter">(</span>row<span class="Delimiter">);</span>
+<span id="L306" class="LineNr">306 </span>    out<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;string<span class="Delimiter">,</span> string_tree*&gt;<span class="Delimiter">(</span>key<span class="Delimiter">,</span> value<span class="Delimiter">));</span>
+<span id="L307" class="LineNr">307 </span>  <span class="Delimiter">}</span>
+<span id="L308" class="LineNr">308 </span><span class="Delimiter">}</span>
+<span id="L309" class="LineNr">309 </span>
+<span id="L310" class="LineNr">310 </span>string_tree* parse_property_list<span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L311" class="LineNr">311 </span>  skip_whitespace_but_not_newline<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
+<span id="L312" class="LineNr">312 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span>
+<span id="L313" class="LineNr">313 </span>  string_tree* first = <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>slurp_until<span class="Delimiter">(</span>in<span class="Delimiter">,</span> <span class="Constant">':'</span><span class="Delimiter">));</span>
+<span id="L314" class="LineNr">314 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Identifier">return</span> first<span class="Delimiter">;</span>
+<span id="L315" class="LineNr">315 </span>  string_tree* rest = parse_property_list<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
+<span id="L316" class="LineNr">316 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">)</span> &amp;&amp; rest<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span>
+<span id="L317" class="LineNr">317 </span>    <span class="Identifier">return</span> <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>first<span class="Delimiter">,</span> <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>rest<span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">));</span>
+<span id="L318" class="LineNr">318 </span>  <span class="Identifier">return</span> <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>first<span class="Delimiter">,</span> rest<span class="Delimiter">);</span>
+<span id="L319" class="LineNr">319 </span><span class="Delimiter">}</span>
+<span id="L320" class="LineNr">320 </span><span class="Delimiter">:(before &quot;End Unit Tests&quot;)</span>
+<span id="L321" class="LineNr">321 </span><span class="Normal">void</span> test_parse_property_list_atom<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L322" class="LineNr">322 </span>  istringstream in<span class="Delimiter">(</span><span class="Constant">&quot;a&quot;</span><span class="Delimiter">);</span>
+<span id="L323" class="LineNr">323 </span>  string_tree* x = parse_property_list<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
+<span id="L324" class="LineNr">324 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
+<span id="L325" class="LineNr">325 </span>  <span class="Normal">delete</span> x<span class="Delimiter">;</span>
+<span id="L326" class="LineNr">326 </span><span class="Delimiter">}</span>
+<span id="L327" class="LineNr">327 </span><span class="Normal">void</span> test_parse_property_list_list<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L328" class="LineNr">328 </span>  istringstream in<span class="Delimiter">(</span><span class="Constant">&quot;a:b&quot;</span><span class="Delimiter">);</span>
+<span id="L329" class="LineNr">329 </span>  string_tree* x = parse_property_list<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
+<span id="L330" class="LineNr">330 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!x<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
+<span id="L331" class="LineNr">331 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
+<span id="L332" class="LineNr">332 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value<span class="Delimiter">,</span> <span class="Constant">&quot;a&quot;</span><span class="Delimiter">);</span>
+<span id="L333" class="LineNr">333 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!x<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
+<span id="L334" class="LineNr">334 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
+<span id="L335" class="LineNr">335 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value<span class="Delimiter">,</span> <span class="Constant">&quot;b&quot;</span><span class="Delimiter">);</span>
+<span id="L336" class="LineNr">336 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right == <span class="Constant">NULL</span><span class="Delimiter">);</span>
+<span id="L337" class="LineNr">337 </span>  <span class="Normal">delete</span> x<span class="Delimiter">;</span>
+<span id="L338" class="LineNr">338 </span><span class="Delimiter">}</span>
+<span id="L339" class="LineNr">339 </span>
+<span id="L340" class="LineNr">340 </span><span class="Delimiter">:(code)</span>
+<span id="L341" class="LineNr">341 </span>type_tree* <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Normal">const</span> string_tree* properties<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L342" class="LineNr">342 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!properties<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span>
+<span id="L343" class="LineNr">343 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>properties<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L344" class="LineNr">344 </span>    <span class="Normal">const</span> string&amp; type_name = properties<span class="Delimiter">-&gt;</span>value<span class="Delimiter">;</span>
+<span id="L345" class="LineNr">345 </span>    <span class="Normal">int</span> value = <span class="Constant">0</span><span class="Delimiter">;</span>
+<span id="L346" class="LineNr">346 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> type_name<span class="Delimiter">))</span>
+<span id="L347" class="LineNr">347 </span>      value = get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> type_name<span class="Delimiter">);</span>
+<span id="L348" class="LineNr">348 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_integer<span class="Delimiter">(</span>type_name<span class="Delimiter">))</span>  <span class="Comment">// sometimes types will contain non-type tags, like numbers for the size of an array</span>
+<span id="L349" class="LineNr">349 </span>      value = <span class="Constant">0</span><span class="Delimiter">;</span>
+<span id="L350" class="LineNr">350 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>properties<span class="Delimiter">-&gt;</span>value == <span class="Constant">&quot;-&gt;&quot;</span><span class="Delimiter">)</span>  <span class="Comment">// used in recipe types</span>
+<span id="L351" class="LineNr">351 </span>      value = <span class="Constant">0</span><span class="Delimiter">;</span>
+<span id="L352" class="LineNr">352 </span>    <span class="Normal">else</span>
+<span id="L353" class="LineNr">353 </span>      value = -<span class="Constant">1</span><span class="Delimiter">;</span>  <span class="Comment">// should never happen; will trigger errors later</span>
+<span id="L354" class="LineNr">354 </span>    <span class="Identifier">return</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>type_name<span class="Delimiter">,</span> value<span class="Delimiter">);</span>
+<span id="L355" class="LineNr">355 </span>  <span class="Delimiter">}</span>
+<span id="L356" class="LineNr">356 </span>  <span class="Identifier">return</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span>properties<span class="Delimiter">-&gt;</span>left<span class="Delimiter">),</span>
+<span id="L357" class="LineNr">357 </span>                       <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span>properties<span class="Delimiter">-&gt;</span>right<span class="Delimiter">));</span>
+<span id="L358" class="LineNr">358 </span><span class="Delimiter">}</span>
+<span id="L359" class="LineNr">359 </span>
+<span id="L360" class="LineNr">360 </span><span class="Comment">//: avoid memory leaks for the type tree</span>
+<span id="L361" class="LineNr">361 </span>
+<span id="L362" class="LineNr">362 </span>reagent::reagent<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; other<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L363" class="LineNr">363 </span>  original_string = other<span class="Delimiter">.</span>original_string<span class="Delimiter">;</span>
+<span id="L364" class="LineNr">364 </span>  name = other<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
+<span id="L365" class="LineNr">365 </span>  value = other<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
+<span id="L366" class="LineNr">366 </span>  initialized = other<span class="Delimiter">.</span>initialized<span class="Delimiter">;</span>
+<span id="L367" class="LineNr">367 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L368" class="LineNr">368 </span>    properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;string<span class="Delimiter">,</span> string_tree*&gt;<span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first<span class="Delimiter">,</span> copy<span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">)));</span>
+<span id="L369" class="LineNr">369 </span>  <span class="Delimiter">}</span>
+<span id="L370" class="LineNr">370 </span>  type = copy<span class="Delimiter">(</span>other<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<span id="L371" class="LineNr">371 </span>  <span class="Comment">// End reagent Copy Constructor</span>
+<span id="L372" class="LineNr">372 </span><span class="Delimiter">}</span>
+<span id="L373" class="LineNr">373 </span>
+<span id="L374" class="LineNr">374 </span>type_tree::type_tree<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; original<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L375" class="LineNr">375 </span>  atom = original<span class="Delimiter">.</span>atom<span class="Delimiter">;</span>
+<span id="L376" class="LineNr">376 </span>  name = original<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
+<span id="L377" class="LineNr">377 </span>  value = original<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
+<span id="L378" class="LineNr">378 </span>  left = copy<span class="Delimiter">(</span>original<span class="Delimiter">.</span>left<span class="Delimiter">);</span>
+<span id="L379" class="LineNr">379 </span>  right = copy<span class="Delimiter">(</span>original<span class="Delimiter">.</span>right<span class="Delimiter">);</span>
+<span id="L380" class="LineNr">380 </span><span class="Delimiter">}</span>
+<span id="L381" class="LineNr">381 </span>
+<span id="L382" class="LineNr">382 </span>type_tree&amp; type_tree::<span class="Normal">operator</span>=<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; original<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L383" class="LineNr">383 </span>  atom = original<span class="Delimiter">.</span>atom<span class="Delimiter">;</span>
+<span id="L384" class="LineNr">384 </span>  name = original<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
+<span id="L385" class="LineNr">385 </span>  value = original<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
+<span id="L386" class="LineNr">386 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>left<span class="Delimiter">)</span> <span class="Normal">delete</span> left<span class="Delimiter">;</span>
+<span id="L387" class="LineNr">387 </span>  left = copy<span class="Delimiter">(</span>original<span class="Delimiter">.</span>left<span class="Delimiter">);</span>
+<span id="L388" class="LineNr">388 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>right<span class="Delimiter">)</span> <span class="Normal">delete</span> right<span class="Delimiter">;</span>
+<span id="L389" class="LineNr">389 </span>  right = copy<span class="Delimiter">(</span>original<span class="Delimiter">.</span>right<span class="Delimiter">);</span>
+<span id="L390" class="LineNr">390 </span>  <span class="Identifier">return</span> *<span class="Normal">this</span><span class="Delimiter">;</span>
+<span id="L391" class="LineNr">391 </span><span class="Delimiter">}</span>
+<span id="L392" class="LineNr">392 </span>
+<span id="L393" class="LineNr">393 </span><span class="Normal">bool</span> type_tree::<span class="Normal">operator</span>==<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; other<span class="Delimiter">)</span> <span class="Normal">const</span> <span class="Delimiter">{</span>
+<span id="L394" class="LineNr">394 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>atom != other<span class="Delimiter">.</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L395" class="LineNr">395 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>atom<span class="Delimiter">)</span>
+<span id="L396" class="LineNr">396 </span>    <span class="Identifier">return</span> name == other<span class="Delimiter">.</span>name &amp;&amp; value == other<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
+<span id="L397" class="LineNr">397 </span>  <span class="Identifier">return</span> <span class="Delimiter">(</span>left == other<span class="Delimiter">.</span>left || *left == *other<span class="Delimiter">.</span>left<span class="Delimiter">)</span>
+<span id="L398" class="LineNr">398 </span>      &amp;&amp; <span class="Delimiter">(</span>right == other<span class="Delimiter">.</span>right || *right == *other<span class="Delimiter">.</span>right<span class="Delimiter">);</span>
+<span id="L399" class="LineNr">399 </span><span class="Delimiter">}</span>
+<span id="L400" class="LineNr">400 </span>
+<span id="L401" class="LineNr">401 </span><span class="Comment">// only constraint we care about: if a &lt; b then !(b &lt; a)</span>
+<span id="L402" class="LineNr">402 </span><span class="Normal">bool</span> type_tree::<span class="Normal">operator</span>&lt;<span class="Delimiter">(</span><span class="Normal">const</span> type_tree&amp; other<span class="Delimiter">)</span> <span class="Normal">const</span> <span class="Delimiter">{</span>
+<span id="L403" class="LineNr">403 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>atom != other<span class="Delimiter">.</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> atom &gt; other<span class="Delimiter">.</span>atom<span class="Delimiter">;</span>  <span class="Comment">// atoms before non-atoms</span>
+<span id="L404" class="LineNr">404 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> name &lt; other<span class="Delimiter">.</span>name<span class="Delimiter">;</span>  <span class="Comment">// sort atoms in lexical order</span>
+<span id="L405" class="LineNr">405 </span>  <span class="Comment">// first location in one that's missing in the other makes that side 'smaller'</span>
+<span id="L406" class="LineNr">406 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>left &amp;&amp; !other<span class="Delimiter">.</span>left<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L407" class="LineNr">407 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!left &amp;&amp; other<span class="Delimiter">.</span>left<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L408" class="LineNr">408 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>right &amp;&amp; !other<span class="Delimiter">.</span>right<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L409" class="LineNr">409 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!right &amp;&amp; other<span class="Delimiter">.</span>right<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L410" class="LineNr">410 </span>  <span class="Comment">// now if either pointer is unequal neither side can be null</span>
+<span id="L411" class="LineNr">411 </span>  <span class="Comment">// if one side is equal that's easy</span>
+<span id="L412" class="LineNr">412 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>left == other<span class="Delimiter">.</span>left || *left == *other<span class="Delimiter">.</span>left<span class="Delimiter">)</span> <span class="Identifier">return</span> right &amp;&amp; *right &lt; *other<span class="Delimiter">.</span>right<span class="Delimiter">;</span>
+<span id="L413" class="LineNr">413 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>right == other<span class="Delimiter">.</span>right || *right == *other<span class="Delimiter">.</span>right<span class="Delimiter">)</span> <span class="Identifier">return</span> left &amp;&amp; *left &lt; *other<span class="Delimiter">.</span>left<span class="Delimiter">;</span>
+<span id="L414" class="LineNr">414 </span>  <span class="Comment">// if the two sides criss-cross, pick the side with the smaller lhs</span>
+<span id="L415" class="LineNr">415 </span>  <span class="Normal">if</span> <span class="Delimiter">((</span>left == other<span class="Delimiter">.</span>right || *left == *other<span class="Delimiter">.</span>right<span class="Delimiter">)</span>
+<span id="L416" class="LineNr">416 </span>      &amp;&amp; <span class="Delimiter">(</span>right == other<span class="Delimiter">.</span>left || *right == *other<span class="Delimiter">.</span>left<span class="Delimiter">))</span>
+<span id="L417" class="LineNr">417 </span>    <span class="Identifier">return</span> *left &lt; *other<span class="Delimiter">.</span>left<span class="Delimiter">;</span>
+<span id="L418" class="LineNr">418 </span>  <span class="Comment">// now the hard case: both sides are not equal</span>
+<span id="L419" class="LineNr">419 </span>  <span class="Comment">// make sure we stay consistent between (a &lt; b) and (b &lt; a)</span>
+<span id="L420" class="LineNr">420 </span>  <span class="Comment">// just return the side with the smallest of the 4 branches</span>
+<span id="L421" class="LineNr">421 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>*left &lt; *other<span class="Delimiter">.</span>left &amp;&amp; *left &lt; *other<span class="Delimiter">.</span>right<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L422" class="LineNr">422 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>*right &lt; *other<span class="Delimiter">.</span>left &amp;&amp; *right &lt; *other<span class="Delimiter">.</span>right<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L423" class="LineNr">423 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L424" class="LineNr">424 </span><span class="Delimiter">}</span>
+<span id="L425" class="LineNr">425 </span><span class="Delimiter">:(before &quot;End Unit Tests&quot;)</span>
+<span id="L426" class="LineNr">426 </span><span class="Comment">// These unit tests don't always use valid types.</span>
+<span id="L427" class="LineNr">427 </span><span class="Normal">void</span> test_compare_atom_types<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L428" class="LineNr">428 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:address&quot;</span><span class="Delimiter">),</span> b<span class="Delimiter">(</span><span class="Constant">&quot;b:boolean&quot;</span><span class="Delimiter">);</span>
+<span id="L429" class="LineNr">429 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>*a<span class="Delimiter">.</span>type &lt; *b<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<span id="L430" class="LineNr">430 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*b<span class="Delimiter">.</span>type &lt; *a<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
+<span id="L431" class="LineNr">431 </span><span class="Delimiter">}</span>
+<span id="L432" class="LineNr">432 </span><span class="Normal">void</span> test_compare_equal_atom_types<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L433" class="LineNr">433 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:address&quot;</span><span class="Delimiter">),</span> b<span class="Delimiter">(</span><span class="Constant">&quot;b:address&quot;</span><span class="Delimiter">);</span>
+<span id="L434" class="LineNr">434 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*a<span class="Delimiter">.</span>type &lt; *b<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
+<span id="L435" class="LineNr">435 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*b<span class="Delimiter">.</span>type &lt; *a<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
+<span id="L436" class="LineNr">436 </span><span class="Delimiter">}</span>
+<span id="L437" class="LineNr">437 </span><span class="Normal">void</span> test_compare_atom_with_non_atom<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L438" class="LineNr">438 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:<a href='043space.cc.html#L80'>address</a>:number&quot;</span><span class="Delimiter">),</span> b<span class="Delimiter">(</span><span class="Constant">&quot;b:boolean&quot;</span><span class="Delimiter">);</span>
+<span id="L439" class="LineNr">439 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*a<span class="Delimiter">.</span>type &lt; *b<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
+<span id="L440" class="LineNr">440 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>*b<span class="Delimiter">.</span>type &lt; *a<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<span id="L441" class="LineNr">441 </span><span class="Delimiter">}</span>
+<span id="L442" class="LineNr">442 </span><span class="Normal">void</span> test_compare_lists_with_identical_structure<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L443" class="LineNr">443 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:<a href='043space.cc.html#L80'>address</a>:address&quot;</span><span class="Delimiter">),</span> b<span class="Delimiter">(</span><span class="Constant">&quot;b:<a href='043space.cc.html#L80'>address</a>:boolean&quot;</span><span class="Delimiter">);</span>
+<span id="L444" class="LineNr">444 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>*a<span class="Delimiter">.</span>type &lt; *b<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<span id="L445" class="LineNr">445 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*b<span class="Delimiter">.</span>type &lt; *a<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
+<span id="L446" class="LineNr">446 </span><span class="Delimiter">}</span>
+<span id="L447" class="LineNr">447 </span><span class="Normal">void</span> test_compare_identical_lists<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L448" class="LineNr">448 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:<a href='043space.cc.html#L80'>address</a>:boolean&quot;</span><span class="Delimiter">),</span> b<span class="Delimiter">(</span><span class="Constant">&quot;b:<a href='043space.cc.html#L80'>address</a>:boolean&quot;</span><span class="Delimiter">);</span>
+<span id="L449" class="LineNr">449 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*a<span class="Delimiter">.</span>type &lt; *b<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
+<span id="L450" class="LineNr">450 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*b<span class="Delimiter">.</span>type &lt; *a<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
+<span id="L451" class="LineNr">451 </span><span class="Delimiter">}</span>
+<span id="L452" class="LineNr">452 </span><span class="Normal">void</span> test_compare_list_with_extra_element<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L453" class="LineNr">453 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:<a href='043space.cc.html#L80'>address</a>:address&quot;</span><span class="Delimiter">),</span> b<span class="Delimiter">(</span><span class="Constant">&quot;b:<a href='043space.cc.html#L80'>address</a>:<a href='043space.cc.html#L80'>address</a>:number&quot;</span><span class="Delimiter">);</span>
+<span id="L454" class="LineNr">454 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>*a<span class="Delimiter">.</span>type &lt; *b<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<span id="L455" class="LineNr">455 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*b<span class="Delimiter">.</span>type &lt; *a<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
+<span id="L456" class="LineNr">456 </span><span class="Delimiter">}</span>
+<span id="L457" class="LineNr">457 </span><span class="Normal">void</span> test_compare_list_with_smaller_left_but_larger_right<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L458" class="LineNr">458 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:<a href='043space.cc.html#L80'>address</a>:number&quot;</span><span class="Delimiter">),</span> b<span class="Delimiter">(</span><span class="Constant">&quot;b:character:array&quot;</span><span class="Delimiter">);</span>
+<span id="L459" class="LineNr">459 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>*a<span class="Delimiter">.</span>type &lt; *b<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<span id="L460" class="LineNr">460 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*b<span class="Delimiter">.</span>type &lt; *a<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
+<span id="L461" class="LineNr">461 </span><span class="Delimiter">}</span>
+<span id="L462" class="LineNr">462 </span><span class="Normal">void</span> test_compare_list_with_smaller_left_but_larger_right_identical_types<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L463" class="LineNr">463 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;a:<a href='043space.cc.html#L80'>address</a>:boolean&quot;</span><span class="Delimiter">),</span> b<span class="Delimiter">(</span><span class="Constant">&quot;b:boolean:address&quot;</span><span class="Delimiter">);</span>
+<span id="L464" class="LineNr">464 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>*a<span class="Delimiter">.</span>type &lt; *b<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<span id="L465" class="LineNr">465 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!<span class="Delimiter">(</span>*b<span class="Delimiter">.</span>type &lt; *a<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
+<span id="L466" class="LineNr">466 </span><span class="Delimiter">}</span>
+<span id="L467" class="LineNr">467 </span>
+<span id="L468" class="LineNr">468 </span><span class="Delimiter">:(code)</span>
+<span id="L469" class="LineNr">469 </span>string_tree::string_tree<span class="Delimiter">(</span><span class="Normal">const</span> string_tree&amp; original<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L470" class="LineNr">470 </span>  atom = original<span class="Delimiter">.</span>atom<span class="Delimiter">;</span>
+<span id="L471" class="LineNr">471 </span>  value = original<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
+<span id="L472" class="LineNr">472 </span>  left = copy<span class="Delimiter">(</span>original<span class="Delimiter">.</span>left<span class="Delimiter">);</span>
+<span id="L473" class="LineNr">473 </span>  right = copy<span class="Delimiter">(</span>original<span class="Delimiter">.</span>right<span class="Delimiter">);</span>
+<span id="L474" class="LineNr">474 </span><span class="Delimiter">}</span>
+<span id="L475" class="LineNr">475 </span>
+<span id="L476" class="LineNr">476 </span>reagent&amp; reagent::<span class="Normal">operator</span>=<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; other<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L477" class="LineNr">477 </span>  original_string = other<span class="Delimiter">.</span>original_string<span class="Delimiter">;</span>
+<span id="L478" class="LineNr">478 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L479" class="LineNr">479 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">)</span> <span class="Normal">delete</span> properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">;</span>
+<span id="L480" class="LineNr">480 </span>  properties<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L481" class="LineNr">481 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L482" class="LineNr">482 </span>    properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;string<span class="Delimiter">,</span> string_tree*&gt;<span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first<span class="Delimiter">,</span> copy<span class="Delimiter">(</span>other<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">)));</span>
+<span id="L483" class="LineNr">483 </span>  name = other<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
+<span id="L484" class="LineNr">484 </span>  value = other<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
+<span id="L485" class="LineNr">485 </span>  initialized = other<span class="Delimiter">.</span>initialized<span class="Delimiter">;</span>
+<span id="L486" class="LineNr">486 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">)</span> <span class="Normal">delete</span> type<span class="Delimiter">;</span>
+<span id="L487" class="LineNr">487 </span>  type = copy<span class="Delimiter">(</span>other<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<span id="L488" class="LineNr">488 </span>  <span class="Comment">// End reagent Copy Operator</span>
+<span id="L489" class="LineNr">489 </span>  <span class="Identifier">return</span> *<span class="Normal">this</span><span class="Delimiter">;</span>
+<span id="L490" class="LineNr">490 </span><span class="Delimiter">}</span>
+<span id="L491" class="LineNr">491 </span>
+<span id="L492" class="LineNr">492 </span>reagent::~reagent<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L493" class="LineNr">493 </span>  <a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L494" class="LineNr">494 </span><span class="Delimiter">}</span>
+<span id="L495" class="LineNr">495 </span>
+<span id="L496" class="LineNr">496 </span><span class="Normal">void</span> reagent::<a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L497" class="LineNr">497 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L498" class="LineNr">498 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L499" class="LineNr">499 </span>      <span class="Normal">delete</span> properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">;</span>
+<span id="L500" class="LineNr">500 </span>      properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second = <span class="Constant">NULL</span><span class="Delimiter">;</span>
+<span id="L501" class="LineNr">501 </span>    <span class="Delimiter">}</span>
+<span id="L502" class="LineNr">502 </span>  <span class="Delimiter">}</span>
+<span id="L503" class="LineNr">503 </span>  <span class="Normal">delete</span> type<span class="Delimiter">;</span>
+<span id="L504" class="LineNr">504 </span>  type = <span class="Constant">NULL</span><span class="Delimiter">;</span>
+<span id="L505" class="LineNr">505 </span><span class="Delimiter">}</span>
+<span id="L506" class="LineNr">506 </span>type_tree::~type_tree<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L507" class="LineNr">507 </span>  <span class="Normal">delete</span> left<span class="Delimiter">;</span>
+<span id="L508" class="LineNr">508 </span>  <span class="Normal">delete</span> right<span class="Delimiter">;</span>
+<span id="L509" class="LineNr">509 </span><span class="Delimiter">}</span>
+<span id="L510" class="LineNr">510 </span>string_tree::~string_tree<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L511" class="LineNr">511 </span>  <span class="Normal">delete</span> left<span class="Delimiter">;</span>
+<span id="L512" class="LineNr">512 </span>  <span class="Normal">delete</span> right<span class="Delimiter">;</span>
+<span id="L513" class="LineNr">513 </span><span class="Delimiter">}</span>
+<span id="L514" class="LineNr">514 </span>
+<span id="L515" class="LineNr">515 </span><span class="Normal">void</span> append<span class="Delimiter">(</span>type_tree*&amp; base<span class="Delimiter">,</span> type_tree* extra<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L516" class="LineNr">516 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!base<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L517" class="LineNr">517 </span>    base = extra<span class="Delimiter">;</span>
+<span id="L518" class="LineNr">518 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L519" class="LineNr">519 </span>  <span class="Delimiter">}</span>
+<span id="L520" class="LineNr">520 </span>  type_tree* curr = base<span class="Delimiter">;</span>
+<span id="L521" class="LineNr">521 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
+<span id="L522" class="LineNr">522 </span>  curr<span class="Delimiter">-&gt;</span>right = extra<span class="Delimiter">;</span>
+<span id="L523" class="LineNr">523 </span><span class="Delimiter">}</span>
+<span id="L524" class="LineNr">524 </span>
+<span id="L525" class="LineNr">525 </span><span class="Normal">void</span> append<span class="Delimiter">(</span>string_tree*&amp; base<span class="Delimiter">,</span> string_tree* extra<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L526" class="LineNr">526 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!base<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L527" class="LineNr">527 </span>    base = extra<span class="Delimiter">;</span>
+<span id="L528" class="LineNr">528 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L529" class="LineNr">529 </span>  <span class="Delimiter">}</span>
+<span id="L530" class="LineNr">530 </span>  string_tree* curr = base<span class="Delimiter">;</span>
+<span id="L531" class="LineNr">531 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
+<span id="L532" class="LineNr">532 </span>  curr<span class="Delimiter">-&gt;</span>right = extra<span class="Delimiter">;</span>
+<span id="L533" class="LineNr">533 </span><span class="Delimiter">}</span>
+<span id="L534" class="LineNr">534 </span>
+<span id="L535" class="LineNr">535 </span>string slurp_until<span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">,</span> <span class="Normal">char</span> delim<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L536" class="LineNr">536 </span>  ostringstream out<span class="Delimiter">;</span>
+<span id="L537" class="LineNr">537 </span>  <span class="Normal">char</span> c<span class="Delimiter">;</span>
+<span id="L538" class="LineNr">538 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>in &gt;&gt; c<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L539" class="LineNr">539 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>c == delim<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L540" class="LineNr">540 </span>      <span class="Comment">// drop the delim</span>
+<span id="L541" class="LineNr">541 </span>      <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L542" class="LineNr">542 </span>    <span class="Delimiter">}</span>
+<span id="L543" class="LineNr">543 </span>    out &lt;&lt; c<span class="Delimiter">;</span>
+<span id="L544" class="LineNr">544 </span>  <span class="Delimiter">}</span>
+<span id="L545" class="LineNr">545 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L546" class="LineNr">546 </span><span class="Delimiter">}</span>
+<span id="L547" class="LineNr">547 </span>
+<span id="L548" class="LineNr">548 </span><span class="Normal">bool</span> has_property<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L549" class="LineNr">549 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L550" class="LineNr">550 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first == name<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L551" class="LineNr">551 </span>  <span class="Delimiter">}</span>
+<span id="L552" class="LineNr">552 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L553" class="LineNr">553 </span><span class="Delimiter">}</span>
+<span id="L554" class="LineNr">554 </span>
+<span id="L555" class="LineNr">555 </span>string_tree* property<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L556" class="LineNr">556 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> p = <span class="Constant">0</span><span class="Delimiter">;</span>  p != <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L557" class="LineNr">557 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>p<span class="Delimiter">).</span>first == name<span class="Delimiter">)</span>
+<span id="L558" class="LineNr">558 </span>      <span class="Identifier">return</span> r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>p<span class="Delimiter">).</span>second<span class="Delimiter">;</span>
+<span id="L559" class="LineNr">559 </span>  <span class="Delimiter">}</span>
+<span id="L560" class="LineNr">560 </span>  <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span>
+<span id="L561" class="LineNr">561 </span><span class="Delimiter">}</span>
+<span id="L562" class="LineNr">562 </span>
+<span id="L563" class="LineNr">563 </span>string_tree* copy<span class="Delimiter">(</span><span class="Normal">const</span> string_tree* x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L564" class="LineNr">564 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span>
+<span id="L565" class="LineNr">565 </span>  <span class="Identifier">return</span> <span class="Normal">new</span> string_tree<span class="Delimiter">(</span>*x<span class="Delimiter">);</span>
+<span id="L566" class="LineNr">566 </span><span class="Delimiter">}</span>
+<span id="L567" class="LineNr">567 </span>
+<span id="L568" class="LineNr">568 </span>type_tree* copy<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L569" class="LineNr">569 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span>
+<span id="L570" class="LineNr">570 </span>  <span class="Identifier">return</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*x<span class="Delimiter">);</span>
+<span id="L571" class="LineNr">571 </span><span class="Delimiter">}</span>
+<span id="L572" class="LineNr">572 </span>
+<span id="L573" class="LineNr">573 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
+<span id="L574" class="LineNr">574 </span><span class="Normal">extern</span> <span class="Normal">const</span> string Ignore<span class="Delimiter">(</span><span class="Constant">&quot;,&quot;</span><span class="Delimiter">);</span>  <span class="Comment">// commas are ignored in Mu except within [] strings</span>
+<span id="L575" class="LineNr">575 </span><span class="Delimiter">:(code)</span>
+<span id="L576" class="LineNr">576 </span><span class="Normal">void</span> skip_whitespace_but_not_newline<span class="Delimiter">(</span>istream&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L577" class="LineNr">577 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><span class="Constant">true</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L578" class="LineNr">578 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!has_data<span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L579" class="LineNr">579 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()</span> == <span class="cSpecial">'\n'</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L580" class="LineNr">580 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>isspace<span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()))</span> in<span class="Delimiter">.</span>get<span class="Delimiter">();</span>
+<span id="L581" class="LineNr">581 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Ignore<span class="Delimiter">.</span>find<span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">())</span> != string::npos<span class="Delimiter">)</span> in<span class="Delimiter">.</span>get<span class="Delimiter">();</span>
+<span id="L582" class="LineNr">582 </span>    <span class="Normal">else</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L583" class="LineNr">583 </span>  <span class="Delimiter">}</span>
+<span id="L584" class="LineNr">584 </span><span class="Delimiter">}</span>
+<span id="L585" class="LineNr">585 </span>
+<span id="L586" class="LineNr">586 </span><span class="Normal">void</span> dump_memory<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L587" class="LineNr">587 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;<span class="Normal">int</span><span class="Delimiter">,</span> <span class="Normal">double</span>&gt;::iterator p = Memory<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != Memory<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L588" class="LineNr">588 </span>    cout &lt;&lt; p<span class="Delimiter">-&gt;</span>first &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
+<span id="L589" class="LineNr">589 </span>  <span class="Delimiter">}</span>
+<span id="L590" class="LineNr">590 </span><span class="Delimiter">}</span>
+<span id="L591" class="LineNr">591 </span>
+<span id="L592" class="LineNr">592 </span><span class="SalientComment">//:: Helpers for converting various values to string</span>
+<span id="L593" class="LineNr">593 </span><span class="Comment">//: Use to_string() in trace(), and try to keep it stable from run to run.</span>
+<span id="L594" class="LineNr">594 </span><span class="Comment">//: Use debug_string() while debugging, and throw everything into it.</span>
+<span id="L595" class="LineNr">595 </span><span class="Comment">//: Use inspect() only for emitting a canonical format that can be parsed back</span>
+<span id="L596" class="LineNr">596 </span><span class="Comment">//: into the value.</span>
+<span id="L597" class="LineNr">597 </span>
+<span id="L598" class="LineNr">598 </span>string <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L599" class="LineNr">599 </span>  ostringstream out<span class="Delimiter">;</span>
+<span id="L600" class="LineNr">600 </span>  out &lt;&lt; <span class="Constant">&quot;recipe &quot;</span> &lt;&lt; r<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
+<span id="L601" class="LineNr">601 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L602" class="LineNr">602 </span>    out &lt;&lt; <span class="Constant">&quot;  &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
+<span id="L603" class="LineNr">603 </span>  out &lt;&lt; <span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
+<span id="L604" class="LineNr">604 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L605" class="LineNr">605 </span><span class="Delimiter">}</span>
+<span id="L606" class="LineNr">606 </span>
+<span id="L607" class="LineNr">607 </span>string to_original_string<span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L608" class="LineNr">608 </span>  ostringstream out<span class="Delimiter">;</span>
+<span id="L609" class="LineNr">609 </span>  out &lt;&lt; <span class="Constant">&quot;recipe &quot;</span> &lt;&lt; r<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
+<span id="L610" class="LineNr">610 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L611" class="LineNr">611 </span>    out &lt;&lt; <span class="Constant">&quot;  &quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>r<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
+<span id="L612" class="LineNr">612 </span>  out &lt;&lt; <span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
+<span id="L613" class="LineNr">613 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L614" class="LineNr">614 </span><span class="Delimiter">}</span>
+<span id="L615" class="LineNr">615 </span>
+<span id="L616" class="LineNr">616 </span>string debug_string<span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L617" class="LineNr">617 </span>  ostringstream out<span class="Delimiter">;</span>
+<span id="L618" class="LineNr">618 </span>  out &lt;&lt; <span class="Constant">&quot;- <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>name &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
+<span id="L619" class="LineNr">619 </span>  <span class="Comment">// Begin debug_string(recipe x)</span>
+<span id="L620" class="LineNr">620 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> index = <span class="Constant">0</span><span class="Delimiter">;</span>  index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L621" class="LineNr">621 </span>    <span class="Normal">const</span> instruction&amp; inst = x<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
+<span id="L622" class="LineNr">622 </span>    out &lt;&lt; <span class="Constant">&quot;inst: &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
+<span id="L623" class="LineNr">623 </span>    out &lt;&lt; <span class="Constant">&quot;  ingredients</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
+<span id="L624" class="LineNr">624 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L625" class="LineNr">625 </span>      out &lt;&lt; <span class="Constant">&quot;    &quot;</span> &lt;&lt; debug_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
+<span id="L626" class="LineNr">626 </span>    out &lt;&lt; <span class="Constant">&quot;  products</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
+<span id="L627" class="LineNr">627 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L628" class="LineNr">628 </span>      out &lt;&lt; <span class="Constant">&quot;    &quot;</span> &lt;&lt; debug_string<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
+<span id="L629" class="LineNr">629 </span>  <span class="Delimiter">}</span>
+<span id="L630" class="LineNr">630 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L631" class="LineNr">631 </span><span class="Delimiter">}</span>
+<span id="L632" class="LineNr">632 </span>
+<span id="L633" class="LineNr">633 </span>string to_original_string<span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L634" class="LineNr">634 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">return</span> inst<span class="Delimiter">.</span>label<span class="Delimiter">;</span>
+<span id="L635" class="LineNr">635 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>original_string<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> inst<span class="Delimiter">.</span>original_string<span class="Delimiter">;</span>
+<span id="L636" class="LineNr">636 </span>  ostringstream out<span class="Delimiter">;</span>
+<span id="L637" class="LineNr">637 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L638" class="LineNr">638 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt; <span class="Constant">0</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">&quot;, &quot;</span><span class="Delimiter">;</span>
+<span id="L639" class="LineNr">639 </span>    out &lt;&lt; inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string<span class="Delimiter">;</span>
+<span id="L640" class="LineNr">640 </span>  <span class="Delimiter">}</span>
+<span id="L641" class="LineNr">641 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> out &lt;&lt; <span class="Constant">&quot; &lt;- &quot;</span><span class="Delimiter">;</span>
+<span id="L642" class="LineNr">642 </span>  out &lt;&lt; inst<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
+<span id="L643" class="LineNr">643 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
+<span id="L644" class="LineNr">644 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L645" class="LineNr">645 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt; <span class="Constant">0</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">&quot;, &quot;</span><span class="Delimiter">;</span>
+<span id="L646" class="LineNr">646 </span>    out &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string<span class="Delimiter">;</span>
+<span id="L647" class="LineNr">647 </span>  <span class="Delimiter">}</span>
+<span id="L648" class="LineNr">648 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L649" class="LineNr">649 </span><span class="Delimiter">}</span>
+<span id="L650" class="LineNr">650 </span>
+<span id="L651" class="LineNr">651 </span>string <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L652" class="LineNr">652 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">return</span> inst<span class="Delimiter">.</span>label<span class="Delimiter">;</span>
+<span id="L653" class="LineNr">653 </span>  ostringstream out<span class="Delimiter">;</span>
+<span id="L654" class="LineNr">654 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L655" class="LineNr">655 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt; <span class="Constant">0</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">&quot;, &quot;</span><span class="Delimiter">;</span>
+<span id="L656" class="LineNr">656 </span>    out &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
+<span id="L657" class="LineNr">657 </span>  <span class="Delimiter">}</span>
+<span id="L658" class="LineNr">658 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> out &lt;&lt; <span class="Constant">&quot; &lt;- &quot;</span><span class="Delimiter">;</span>
+<span id="L659" class="LineNr">659 </span>  out &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
+<span id="L660" class="LineNr">660 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L661" class="LineNr">661 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>i &gt; <span class="Constant">0</span><span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">&quot;, &quot;</span><span class="Delimiter">;</span>
+<span id="L662" class="LineNr">662 </span>    out &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
+<span id="L663" class="LineNr">663 </span>  <span class="Delimiter">}</span>
+<span id="L664" class="LineNr">664 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L665" class="LineNr">665 </span><span class="Delimiter">}</span>
+<span id="L666" class="LineNr">666 </span>
+<span id="L667" class="LineNr">667 </span>string <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L668" class="LineNr">668 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">&quot;_&quot;</span><span class="Delimiter">;</span>
+<span id="L669" class="LineNr">669 </span>  ostringstream out<span class="Delimiter">;</span>
+<span id="L670" class="LineNr">670 </span>  out &lt;&lt; <span class="Constant">&quot;{&quot;</span><span class="Delimiter">;</span>
+<span id="L671" class="LineNr">671 </span>  out &lt;&lt; r<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<span id="L672" class="LineNr">672 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
+<span id="L673" class="LineNr">673 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>properties<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L674" class="LineNr">674 </span>      out &lt;&lt; <span class="Constant">&quot;, </span><span class="cSpecial">\&quot;</span><span class="Constant">&quot;</span> &lt;&lt; r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>first &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\&quot;</span><span class="Constant">: &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>second<span class="Delimiter">);</span>
+<span id="L675" class="LineNr">675 </span>  <span class="Delimiter">}</span>
+<span id="L676" class="LineNr">676 </span>  out &lt;&lt; <span class="Constant">&quot;}&quot;</span><span class="Delimiter">;</span>
+<span id="L677" class="LineNr">677 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L678" class="LineNr">678 </span><span class="Delimiter">}</span>
+<span id="L679" class="LineNr">679 </span>
+<span id="L680" class="LineNr">680 </span><span class="Comment">// special name for ignoring some products</span>
+<span id="L681" class="LineNr">681 </span><span class="Normal">bool</span> is_dummy<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L682" class="LineNr">682 </span>  <span class="Identifier">return</span> x<span class="Delimiter">.</span>name == <span class="Constant">&quot;_&quot;</span><span class="Delimiter">;</span>
+<span id="L683" class="LineNr">683 </span><span class="Delimiter">}</span>
+<span id="L684" class="LineNr">684 </span>
+<span id="L685" class="LineNr">685 </span>string debug_string<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L686" class="LineNr">686 </span>  ostringstream out<span class="Delimiter">;</span>
+<span id="L687" class="LineNr">687 </span>  out &lt;&lt; x<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>value &lt;&lt; <span class="Constant">' '</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; -- &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>x<span class="Delimiter">);</span>
+<span id="L688" class="LineNr">688 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L689" class="LineNr">689 </span><span class="Delimiter">}</span>
+<span id="L690" class="LineNr">690 </span>
+<span id="L691" class="LineNr">691 </span>string <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span><span class="Normal">const</span> string_tree* property<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L692" class="LineNr">692 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!property<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">&quot;()&quot;</span><span class="Delimiter">;</span>
+<span id="L693" class="LineNr">693 </span>  ostringstream out<span class="Delimiter">;</span>
+<span id="L694" class="LineNr">694 </span>  <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>property<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
+<span id="L695" class="LineNr">695 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L696" class="LineNr">696 </span><span class="Delimiter">}</span>
+<span id="L697" class="LineNr">697 </span>
+<span id="L698" class="LineNr">698 </span><span class="Normal">void</span> <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span><span class="Normal">const</span> string_tree* x<span class="Delimiter">,</span> ostream&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L699" class="LineNr">699 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L700" class="LineNr">700 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L701" class="LineNr">701 </span>    out &lt;&lt; <span class="Constant">'&quot;'</span> &lt;&lt; x<span class="Delimiter">-&gt;</span>value &lt;&lt; <span class="Constant">'&quot;'</span><span class="Delimiter">;</span>
+<span id="L702" class="LineNr">702 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L703" class="LineNr">703 </span>  <span class="Delimiter">}</span>
+<span id="L704" class="LineNr">704 </span>  out &lt;&lt; <span class="Constant">'('</span><span class="Delimiter">;</span>
+<span id="L705" class="LineNr">705 </span>  <span class="Normal">const</span> string_tree* curr = x<span class="Delimiter">;</span>
+<span id="L706" class="LineNr">706 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>curr &amp;&amp; !curr<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L707" class="LineNr">707 </span>    <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
+<span id="L708" class="LineNr">708 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
+<span id="L709" class="LineNr">709 </span>    curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
+<span id="L710" class="LineNr">710 </span>  <span class="Delimiter">}</span>
+<span id="L711" class="LineNr">711 </span>  <span class="Comment">// check for dotted list; should never happen</span>
+<span id="L712" class="LineNr">712 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L713" class="LineNr">713 </span>    out &lt;&lt; <span class="Constant">&quot;. &quot;</span><span class="Delimiter">;</span>
+<span id="L714" class="LineNr">714 </span>    <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>curr<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
+<span id="L715" class="LineNr">715 </span>  <span class="Delimiter">}</span>
+<span id="L716" class="LineNr">716 </span>  out &lt;&lt; <span class="Constant">')'</span><span class="Delimiter">;</span>
+<span id="L717" class="LineNr">717 </span><span class="Delimiter">}</span>
+<span id="L718" class="LineNr">718 </span>
+<span id="L719" class="LineNr">719 </span>string <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L720" class="LineNr">720 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">&quot;()&quot;</span><span class="Delimiter">;</span>
+<span id="L721" class="LineNr">721 </span>  ostringstream out<span class="Delimiter">;</span>
+<span id="L722" class="LineNr">722 </span>  <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>type<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
+<span id="L723" class="LineNr">723 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L724" class="LineNr">724 </span><span class="Delimiter">}</span>
+<span id="L725" class="LineNr">725 </span>
+<span id="L726" class="LineNr">726 </span><span class="Normal">void</span> <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span><span class="Normal">const</span> type_tree* x<span class="Delimiter">,</span> ostream&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L727" class="LineNr">727 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L728" class="LineNr">728 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L729" class="LineNr">729 </span>    <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>value<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
+<span id="L730" class="LineNr">730 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L731" class="LineNr">731 </span>  <span class="Delimiter">}</span>
+<span id="L732" class="LineNr">732 </span>  out &lt;&lt; <span class="Constant">'('</span><span class="Delimiter">;</span>
+<span id="L733" class="LineNr">733 </span>  <span class="Normal">const</span> type_tree* curr = x<span class="Delimiter">;</span>
+<span id="L734" class="LineNr">734 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>curr &amp;&amp; !curr<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L735" class="LineNr">735 </span>    <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
+<span id="L736" class="LineNr">736 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
+<span id="L737" class="LineNr">737 </span>    curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
+<span id="L738" class="LineNr">738 </span>  <span class="Delimiter">}</span>
+<span id="L739" class="LineNr">739 </span>  <span class="Comment">// check for dotted list; should never happen</span>
+<span id="L740" class="LineNr">740 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L741" class="LineNr">741 </span>    out &lt;&lt; <span class="Constant">&quot;. &quot;</span><span class="Delimiter">;</span>
+<span id="L742" class="LineNr">742 </span>    <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>curr<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
+<span id="L743" class="LineNr">743 </span>  <span class="Delimiter">}</span>
+<span id="L744" class="LineNr">744 </span>  out &lt;&lt; <span class="Constant">')'</span><span class="Delimiter">;</span>
+<span id="L745" class="LineNr">745 </span><span class="Delimiter">}</span>
+<span id="L746" class="LineNr">746 </span>
+<span id="L747" class="LineNr">747 </span><span class="Normal">void</span> <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span><a href='010vm.cc.html#L124'>type_ordinal</a> type<span class="Delimiter">,</span> ostream&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L748" class="LineNr">748 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">))</span>
+<span id="L749" class="LineNr">749 </span>    out &lt;&lt; get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">).</span>name<span class="Delimiter">;</span>
+<span id="L750" class="LineNr">750 </span>  <span class="Normal">else</span>
+<span id="L751" class="LineNr">751 </span>    out &lt;&lt; <span class="Constant">&quot;?&quot;</span> &lt;&lt; type<span class="Delimiter">;</span>
+<span id="L752" class="LineNr">752 </span><span class="Delimiter">}</span>
+<span id="L753" class="LineNr">753 </span>
+<span id="L754" class="LineNr">754 </span>string names_to_string<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L755" class="LineNr">755 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">&quot;()&quot;</span><span class="Delimiter">;</span>  <span class="Comment">// should never happen</span>
+<span id="L756" class="LineNr">756 </span>  ostringstream out<span class="Delimiter">;</span>
+<span id="L757" class="LineNr">757 </span>  dump_names<span class="Delimiter">(</span>type<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
+<span id="L758" class="LineNr">758 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L759" class="LineNr">759 </span><span class="Delimiter">}</span>
+<span id="L760" class="LineNr">760 </span>
+<span id="L761" class="LineNr">761 </span><span class="Normal">void</span> dump_names<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* x<span class="Delimiter">,</span> ostream&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L762" class="LineNr">762 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L763" class="LineNr">763 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L764" class="LineNr">764 </span>    out &lt;&lt; <span class="Constant">'&quot;'</span> &lt;&lt; x<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">'&quot;'</span><span class="Delimiter">;</span>
+<span id="L765" class="LineNr">765 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L766" class="LineNr">766 </span>  <span class="Delimiter">}</span>
+<span id="L767" class="LineNr">767 </span>  out &lt;&lt; <span class="Constant">'('</span><span class="Delimiter">;</span>
+<span id="L768" class="LineNr">768 </span>  <span class="Normal">const</span> type_tree* curr = x<span class="Delimiter">;</span>
+<span id="L769" class="LineNr">769 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>curr &amp;&amp; !curr<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L770" class="LineNr">770 </span>    dump_names<span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
+<span id="L771" class="LineNr">771 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
+<span id="L772" class="LineNr">772 </span>    curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
+<span id="L773" class="LineNr">773 </span>  <span class="Delimiter">}</span>
+<span id="L774" class="LineNr">774 </span>  <span class="Comment">// check for dotted list; should never happen</span>
+<span id="L775" class="LineNr">775 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L776" class="LineNr">776 </span>    out &lt;&lt; <span class="Constant">&quot;. &quot;</span><span class="Delimiter">;</span>
+<span id="L777" class="LineNr">777 </span>    dump_names<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
+<span id="L778" class="LineNr">778 </span>  <span class="Delimiter">}</span>
+<span id="L779" class="LineNr">779 </span>  out &lt;&lt; <span class="Constant">')'</span><span class="Delimiter">;</span>
+<span id="L780" class="LineNr">780 </span><span class="Delimiter">}</span>
+<span id="L781" class="LineNr">781 </span>
+<span id="L782" class="LineNr">782 </span>string names_to_string_without_quotes<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L783" class="LineNr">783 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">&quot;()&quot;</span><span class="Delimiter">;</span>
+<span id="L784" class="LineNr">784 </span>  ostringstream out<span class="Delimiter">;</span>
+<span id="L785" class="LineNr">785 </span>  dump_names_without_quotes<span class="Delimiter">(</span>type<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
+<span id="L786" class="LineNr">786 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L787" class="LineNr">787 </span><span class="Delimiter">}</span>
+<span id="L788" class="LineNr">788 </span>
+<span id="L789" class="LineNr">789 </span><span class="Normal">void</span> dump_names_without_quotes<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* x<span class="Delimiter">,</span> ostream&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L790" class="LineNr">790 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L791" class="LineNr">791 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L792" class="LineNr">792 </span>    out &lt;&lt; x<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
+<span id="L793" class="LineNr">793 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L794" class="LineNr">794 </span>  <span class="Delimiter">}</span>
+<span id="L795" class="LineNr">795 </span>  out &lt;&lt; <span class="Constant">'('</span><span class="Delimiter">;</span>
+<span id="L796" class="LineNr">796 </span>  <span class="Normal">const</span> type_tree* curr = x<span class="Delimiter">;</span>
+<span id="L797" class="LineNr">797 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>curr &amp;&amp; !curr<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L798" class="LineNr">798 </span>    dump_names_without_quotes<span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
+<span id="L799" class="LineNr">799 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
+<span id="L800" class="LineNr">800 </span>    curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
+<span id="L801" class="LineNr">801 </span>  <span class="Delimiter">}</span>
+<span id="L802" class="LineNr">802 </span>  <span class="Comment">// check for dotted list; should never happen</span>
+<span id="L803" class="LineNr">803 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L804" class="LineNr">804 </span>    out &lt;&lt; <span class="Constant">&quot;. &quot;</span><span class="Delimiter">;</span>
+<span id="L805" class="LineNr">805 </span>    dump_names_without_quotes<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
+<span id="L806" class="LineNr">806 </span>  <span class="Delimiter">}</span>
+<span id="L807" class="LineNr">807 </span>  out &lt;&lt; <span class="Constant">')'</span><span class="Delimiter">;</span>
+<span id="L808" class="LineNr">808 </span><span class="Delimiter">}</span>
+<span id="L809" class="LineNr">809 </span>
+<span id="L810" class="LineNr">810 </span><span class="Normal">bool</span> is_integer<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; s<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L811" class="LineNr">811 </span>  <span class="Identifier">return</span> s<span class="Delimiter">.</span>find_first_not_of<span class="Delimiter">(</span><span class="Constant">&quot;0123456789-&quot;</span><span class="Delimiter">)</span> == string::npos  <span class="Comment">// no other characters</span>
+<span id="L812" class="LineNr">812 </span>      &amp;&amp; s<span class="Delimiter">.</span>find_first_of<span class="Delimiter">(</span><span class="Constant">&quot;0123456789&quot;</span><span class="Delimiter">)</span> != string::npos  <span class="Comment">// at least one digit</span>
+<span id="L813" class="LineNr">813 </span>      &amp;&amp; s<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">'-'</span><span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">)</span> == string::npos<span class="Delimiter">;</span>  <span class="Comment">// '-' only at first position</span>
+<span id="L814" class="LineNr">814 </span><span class="Delimiter">}</span>
+<span id="L815" class="LineNr">815 </span>
+<span id="L816" class="LineNr">816 </span><span class="Normal">int</span> to_integer<span class="Delimiter">(</span>string n<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L817" class="LineNr">817 </span>  <span class="Normal">char</span>* <a href='003trace.cc.html#L203'>end</a> = <span class="Constant">NULL</span><span class="Delimiter">;</span>
+<span id="L818" class="LineNr">818 </span>  <span class="Comment">// safe because string.c_str() is guaranteed to be null-terminated</span>
+<span id="L819" class="LineNr">819 </span>  <span class="Normal">int</span> result = strtoll<span class="Delimiter">(</span>n<span class="Delimiter">.</span>c_str<span class="Delimiter">(),</span> &amp;end<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">any base</span><span class="Comment">*/</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L820" class="LineNr">820 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>*end != <span class="cSpecial">'\0'</span><span class="Delimiter">)</span> cerr &lt;&lt; <span class="Constant">&quot;tried to convert &quot;</span> &lt;&lt; n &lt;&lt; <span class="Constant">&quot; to number</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
+<span id="L821" class="LineNr">821 </span>  assert<span class="Delimiter">(</span>*end == <span class="cSpecial">'\0'</span><span class="Delimiter">);</span>
+<span id="L822" class="LineNr">822 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
+<span id="L823" class="LineNr">823 </span><span class="Delimiter">}</span>
+<span id="L824" class="LineNr">824 </span>
+<span id="L825" class="LineNr">825 </span><span class="Normal">void</span> test_is_integer<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L826" class="LineNr">826 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>is_integer<span class="Delimiter">(</span><span class="Constant">&quot;1234&quot;</span><span class="Delimiter">));</span>
+<span id="L827" class="LineNr">827 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>is_integer<span class="Delimiter">(</span><span class="Constant">&quot;-1&quot;</span><span class="Delimiter">));</span>
+<span id="L828" class="LineNr">828 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!is_integer<span class="Delimiter">(</span><span class="Constant">&quot;234.0&quot;</span><span class="Delimiter">));</span>
+<span id="L829" class="LineNr">829 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>is_integer<span class="Delimiter">(</span><span class="Constant">&quot;-567&quot;</span><span class="Delimiter">));</span>
+<span id="L830" class="LineNr">830 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!is_integer<span class="Delimiter">(</span><span class="Constant">&quot;89-0&quot;</span><span class="Delimiter">));</span>
+<span id="L831" class="LineNr">831 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!is_integer<span class="Delimiter">(</span><span class="Constant">&quot;-&quot;</span><span class="Delimiter">));</span>
+<span id="L832" class="LineNr">832 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!is_integer<span class="Delimiter">(</span><span class="Constant">&quot;1e3&quot;</span><span class="Delimiter">));</span>  <span class="Comment">// not supported</span>
+<span id="L833" class="LineNr">833 </span><span class="Delimiter">}</span>
+<span id="L834" class="LineNr">834 </span>
+<span id="L835" class="LineNr">835 </span><span class="Comment">//: helper to print numbers without excessive precision</span>
+<span id="L836" class="LineNr">836 </span>
+<span id="L837" class="LineNr">837 </span><span class="Delimiter">:(before &quot;End Types&quot;)</span>
+<span id="L838" class="LineNr">838 </span><span class="Normal">struct</span> no_scientific <span class="Delimiter">{</span>
+<span id="L839" class="LineNr">839 </span>  <span class="Normal">double</span> x<span class="Delimiter">;</span>
+<span id="L840" class="LineNr">840 </span>  <span class="Normal">explicit</span> no_scientific<span class="Delimiter">(</span><span class="Normal">double</span> y<span class="Delimiter">)</span> :x<span class="Delimiter">(</span>y<span class="Delimiter">)</span> <span class="Delimiter">{}</span>
+<span id="L841" class="LineNr">841 </span><span class="Delimiter">};</span>
+<span id="L842" class="LineNr">842 </span>
+<span id="L843" class="LineNr">843 </span><span class="Delimiter">:(code)</span>
+<span id="L844" class="LineNr">844 </span>ostream&amp; <span class="Normal">operator</span>&lt;&lt;<span class="Delimiter">(</span>ostream&amp; os<span class="Delimiter">,</span> no_scientific x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L845" class="LineNr">845 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!isfinite<span class="Delimiter">(</span>x<span class="Delimiter">.</span>x<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L846" class="LineNr">846 </span>    <span class="Comment">// Infinity or NaN</span>
+<span id="L847" class="LineNr">847 </span>    os &lt;&lt; x<span class="Delimiter">.</span>x<span class="Delimiter">;</span>
+<span id="L848" class="LineNr">848 </span>    <span class="Identifier">return</span> os<span class="Delimiter">;</span>
+<span id="L849" class="LineNr">849 </span>  <span class="Delimiter">}</span>
+<span id="L850" class="LineNr">850 </span>  ostringstream tmp<span class="Delimiter">;</span>
+<span id="L851" class="LineNr">851 </span>  <span class="Comment">// more accurate, but too slow</span>
+<span id="L852" class="LineNr">852 </span><span class="CommentedCode">//?   tmp.precision(308);  // for 64-bit numbers</span>
+<span id="L853" class="LineNr">853 </span>  tmp &lt;&lt; std::fixed &lt;&lt; x<span class="Delimiter">.</span>x<span class="Delimiter">;</span>
+<span id="L854" class="LineNr">854 </span>  os &lt;&lt; trim_floating_point<span class="Delimiter">(</span>tmp<span class="Delimiter">.</span>str<span class="Delimiter">());</span>
+<span id="L855" class="LineNr">855 </span>  <span class="Identifier">return</span> os<span class="Delimiter">;</span>
+<span id="L856" class="LineNr">856 </span><span class="Delimiter">}</span>
+<span id="L857" class="LineNr">857 </span>
+<span id="L858" class="LineNr">858 </span>string trim_floating_point<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L859" class="LineNr">859 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>
+<span id="L860" class="LineNr">860 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">'.'</span><span class="Delimiter">)</span> == string::npos<span class="Delimiter">)</span> <span class="Identifier">return</span> in<span class="Delimiter">;</span>
+<span id="L861" class="LineNr">861 </span>  <span class="Normal">int</span> length = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
+<span id="L862" class="LineNr">862 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>length &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L863" class="LineNr">863 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>length-<span class="Constant">1</span><span class="Delimiter">)</span> != <span class="Constant">'0'</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L864" class="LineNr">864 </span>    --length<span class="Delimiter">;</span>
+<span id="L865" class="LineNr">865 </span>  <span class="Delimiter">}</span>
+<span id="L866" class="LineNr">866 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>length-<span class="Constant">1</span><span class="Delimiter">)</span> == <span class="Constant">'.'</span><span class="Delimiter">)</span> --length<span class="Delimiter">;</span>
+<span id="L867" class="LineNr">867 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>length == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">&quot;0&quot;</span><span class="Delimiter">;</span>
+<span id="L868" class="LineNr">868 </span>  <span class="Identifier">return</span> in<span class="Delimiter">.</span>substr<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> length<span class="Delimiter">);</span>
+<span id="L869" class="LineNr">869 </span><span class="Delimiter">}</span>
+<span id="L870" class="LineNr">870 </span>
+<span id="L871" class="LineNr">871 </span><span class="Normal">void</span> test_trim_floating_point<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L872" class="LineNr">872 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
+<span id="L873" class="LineNr">873 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;.0&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;0&quot;</span><span class="Delimiter">);</span>
+<span id="L874" class="LineNr">874 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;1.5000&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;1.5&quot;</span><span class="Delimiter">);</span>
+<span id="L875" class="LineNr">875 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;1.000001&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;1.000001&quot;</span><span class="Delimiter">);</span>
+<span id="L876" class="LineNr">876 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;23.000000&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;23&quot;</span><span class="Delimiter">);</span>
+<span id="L877" class="LineNr">877 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;23.0&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;23&quot;</span><span class="Delimiter">);</span>
+<span id="L878" class="LineNr">878 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;23.&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;23&quot;</span><span class="Delimiter">);</span>
+<span id="L879" class="LineNr">879 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;23&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;23&quot;</span><span class="Delimiter">);</span>
+<span id="L880" class="LineNr">880 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;230&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;230&quot;</span><span class="Delimiter">);</span>
+<span id="L881" class="LineNr">881 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;3.000000&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;3&quot;</span><span class="Delimiter">);</span>
+<span id="L882" class="LineNr">882 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;3.0&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;3&quot;</span><span class="Delimiter">);</span>
+<span id="L883" class="LineNr">883 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;3.&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;3&quot;</span><span class="Delimiter">);</span>
+<span id="L884" class="LineNr">884 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>trim_floating_point<span class="Delimiter">(</span><span class="Constant">&quot;3&quot;</span><span class="Delimiter">),</span> <span class="Constant">&quot;3&quot;</span><span class="Delimiter">);</span>
+<span id="L885" class="LineNr">885 </span><span class="Delimiter">}</span>
+<span id="L886" class="LineNr">886 </span>
+<span id="L887" class="LineNr">887 </span><span class="Delimiter">:(before &quot;End Includes&quot;)</span>
+<span id="L888" class="LineNr">888 </span><span class="PreProc">#include </span><span class="Constant">&lt;utility&gt;</span>
+<span id="L889" class="LineNr">889 </span><span class="Normal">using</span> std::pair<span class="Delimiter">;</span>
+<span id="L890" class="LineNr">890 </span><span class="PreProc">#include </span><span class="Constant">&lt;math.h&gt;</span>
 </pre>
 </body>
 </html>
diff --git a/html/012transform.cc.html b/html/012transform.cc.html
index 2817d7fb..e3a180fd 100644
--- a/html/012transform.cc.html
+++ b/html/012transform.cc.html
@@ -150,7 +150,7 @@ if ('onhashchange' in window) {
 <span id="L92" class="LineNr"> 92 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>initialized<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L93" class="LineNr"> 93 </span>  <span class="Comment">// End Reagent-parsing Exceptions</span>
 <span id="L94" class="LineNr"> 94 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_integer<span class="Delimiter">(</span>r<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L95" class="LineNr"> 95 </span>  r<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>to_integer<span class="Delimiter">(</span>r<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
+<span id="L95" class="LineNr"> 95 </span>  r<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>to_integer<span class="Delimiter">(</span>r<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
 <span id="L96" class="LineNr"> 96 </span><span class="Delimiter">}</span>
 <span id="L97" class="LineNr"> 97 </span>
 <span id="L98" class="LineNr"> 98 </span><span class="Comment">// helper for tests -- temporarily suppress run</span>
diff --git a/html/015literal_noninteger.cc.html b/html/015literal_noninteger.cc.html
index 38f25a16..eb2ae0d3 100644
--- a/html/015literal_noninteger.cc.html
+++ b/html/015literal_noninteger.cc.html
@@ -73,7 +73,7 @@ if ('onhashchange' in window) {
 <span id="L11" class="LineNr">11 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='015literal_noninteger.cc.html#L19'>is_noninteger</a><span class="Delimiter">(</span>s<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L12" class="LineNr">12 </span>  name = s<span class="Delimiter">;</span>
 <span id="L13" class="LineNr">13 </span>  type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">&quot;literal-fractional-number&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L14" class="LineNr">14 </span>  <a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><a href='015literal_noninteger.cc.html#L26'>to_double</a><span class="Delimiter">(</span>s<span class="Delimiter">));</span>
+<span id="L14" class="LineNr">14 </span>  <a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span><a href='015literal_noninteger.cc.html#L26'>to_double</a><span class="Delimiter">(</span>s<span class="Delimiter">));</span>
 <span id="L15" class="LineNr">15 </span>  <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L16" class="LineNr">16 </span><span class="Delimiter">}</span>
 <span id="L17" class="LineNr">17 </span>
diff --git a/html/020run.cc.html b/html/020run.cc.html
index 02a36258..6aa87f36 100644
--- a/html/020run.cc.html
+++ b/html/020run.cc.html
@@ -151,7 +151,7 @@ if ('onhashchange' in window) {
 <span id="L85" class="LineNr"> 85 </span>    <span class="Normal">bool</span> fall_through_to_next_instruction = <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L86" class="LineNr"> 86 </span>    <span class="Normal">switch</span> <span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>operation<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L87" class="LineNr"> 87 </span>      <span class="Comment">// Primitive Recipe Implementations</span>
-<span id="L88" class="LineNr"> 88 </span>      <span class="Normal">case</span> <a href='010vm.cc.html#L189'>COPY</a>: <span class="Delimiter">{</span>
+<span id="L88" class="LineNr"> 88 </span>      <span class="Normal">case</span> <a href='010vm.cc.html#L190'>COPY</a>: <span class="Delimiter">{</span>
 <span id="L89" class="LineNr"> 89 </span>        copy<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> ingredients<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">(),</span> inserter<span class="Delimiter">(</span>products<span class="Delimiter">,</span> products<span class="Delimiter">.</span>begin<span class="Delimiter">()));</span>
 <span id="L90" class="LineNr"> 90 </span>        <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L91" class="LineNr"> 91 </span>      <span class="Delimiter">}</span>
diff --git a/html/021check_instruction.cc.html b/html/021check_instruction.cc.html
index 222256dc..8bb8ca09 100644
--- a/html/021check_instruction.cc.html
+++ b/html/021check_instruction.cc.html
@@ -82,7 +82,7 @@ if ('onhashchange' in window) {
 <span id="L20" class="LineNr"> 20 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>is_label<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L21" class="LineNr"> 21 </span>    <span class="Normal">switch</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L22" class="LineNr"> 22 </span>      <span class="Comment">// Primitive Recipe Checks</span>
-<span id="L23" class="LineNr"> 23 </span>      <span class="Normal">case</span> <a href='010vm.cc.html#L189'>COPY</a>: <span class="Delimiter">{</span>
+<span id="L23" class="LineNr"> 23 </span>      <span class="Normal">case</span> <a href='010vm.cc.html#L190'>COPY</a>: <span class="Delimiter">{</span>
 <span id="L24" class="LineNr"> 24 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> &gt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L25" class="LineNr"> 25 </span>          <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;too many products in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L26" class="LineNr"> 26 </span>          <span class="Identifier">break</span><span class="Delimiter">;</span>
diff --git a/html/026call.cc.html b/html/026call.cc.html
index 84581ebc..12ff47c9 100644
--- a/html/026call.cc.html
+++ b/html/026call.cc.html
@@ -198,97 +198,105 @@ if ('onhashchange' in window) {
 <span id="L133" class="LineNr">133 </span><span class="CommentedCode">//?   return get(Recipe, call.running_recipe).steps.at(call.running_step_index);</span>
 <span id="L134" class="LineNr">134 </span><span class="CommentedCode">//? }</span>
 <span id="L135" class="LineNr">135 </span>
-<span id="L136" class="LineNr">136 </span><span class="Delimiter">:(after &quot;Defined Recipe Checks&quot;)</span>
-<span id="L137" class="LineNr">137 </span><span class="Comment">// not a primitive; check that it's present in the book of recipes</span>
-<span id="L138" class="LineNr">138 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L139" class="LineNr">139 </span>  <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;undefined operation in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L140" class="LineNr">140 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L141" class="LineNr">141 </span><span class="Delimiter">}</span>
-<span id="L142" class="LineNr">142 </span><span class="Delimiter">:(replace{} &quot;default:&quot; following &quot;End Primitive Recipe Implementations&quot;)</span>
-<span id="L143" class="LineNr">143 </span><span class="Normal">default</span>: <span class="Delimiter">{</span>
-<span id="L144" class="LineNr">144 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>operation<span class="Delimiter">))</span> <span class="Delimiter">{</span>  <span class="Comment">// error already raised in Checks above</span>
-<span id="L145" class="LineNr">145 </span>    <span class="Comment">// not a primitive; look up the book of recipes</span>
-<span id="L146" class="LineNr">146 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L147" class="LineNr">147 </span>      ++Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth<span class="Delimiter">;</span>
-<span id="L148" class="LineNr">148 </span>      <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;trace&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;incrementing callstack depth to &quot;</span> &lt;&lt; Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L149" class="LineNr">149 </span>      assert<span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt; <span class="Constant">9000</span><span class="Delimiter">);</span>  <span class="Comment">// 9998-101 plus cushion</span>
-<span id="L150" class="LineNr">150 </span>    <span class="Delimiter">}</span>
-<span id="L151" class="LineNr">151 </span>    <span class="Normal">const</span> call&amp; caller_frame = <a href='026call.cc.html#L83'>current_call</a><span class="Delimiter">();</span>
-<span id="L152" class="LineNr">152 </span>    Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>push_front<span class="Delimiter">(</span>call<span class="Delimiter">(</span><a href='026call.cc.html#L88'>to_instruction</a><span class="Delimiter">(</span>caller_frame<span class="Delimiter">).</span>operation<span class="Delimiter">));</span>
-<span id="L153" class="LineNr">153 </span>    finish_call_housekeeping<span class="Delimiter">(</span><a href='026call.cc.html#L88'>to_instruction</a><span class="Delimiter">(</span>caller_frame<span class="Delimiter">),</span> ingredients<span class="Delimiter">);</span>
-<span id="L154" class="LineNr">154 </span>    <span class="Comment">// not done with caller</span>
-<span id="L155" class="LineNr">155 </span>    write_products = <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L156" class="LineNr">156 </span>    fall_through_to_next_instruction = <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L157" class="LineNr">157 </span>    <span class="Comment">// End Non-primitive Call(caller_frame)</span>
-<span id="L158" class="LineNr">158 </span>  <span class="Delimiter">}</span>
-<span id="L159" class="LineNr">159 </span><span class="Delimiter">}</span>
-<span id="L160" class="LineNr">160 </span><span class="Delimiter">:(code)</span>
-<span id="L161" class="LineNr">161 </span><span class="Normal">void</span> finish_call_housekeeping<span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; call_instruction<span class="Delimiter">,</span> <span class="Normal">const</span> vector&lt;vector&lt;<span class="Normal">double</span>&gt; &gt;&amp; ingredients<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L162" class="LineNr">162 </span>  <span class="Comment">// End Call Housekeeping</span>
-<span id="L163" class="LineNr">163 </span><span class="Delimiter">}</span>
-<span id="L164" class="LineNr">164 </span>
-<span id="L165" class="LineNr">165 </span><span class="Delimiter">:(scenario calling_undefined_recipe_fails)</span>
-<span id="L166" class="LineNr">166 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L167" class="LineNr">167 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L168" class="LineNr">168 </span>  foo
-<span id="L169" class="LineNr">169 </span>]
-<span id="L170" class="LineNr">170 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: undefined operation in 'foo'</span>
-<span id="L171" class="LineNr">171 </span>
-<span id="L172" class="LineNr">172 </span><span class="Delimiter">:(scenario calling_undefined_recipe_handles_missing_result)</span>
-<span id="L173" class="LineNr">173 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L174" class="LineNr">174 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L175" class="LineNr">175 </span>  <span class="Normal">x</span>:num<span class="Special"> &lt;- </span>foo
-<span id="L176" class="LineNr">176 </span>]
-<span id="L177" class="LineNr">177 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: undefined operation in 'x:num &lt;- foo'</span>
-<span id="L178" class="LineNr">178 </span>
-<span id="L179" class="LineNr">179 </span><span class="SalientComment">//:: finally, we need to fix the termination conditions for the run loop</span>
-<span id="L180" class="LineNr">180 </span>
-<span id="L181" class="LineNr">181 </span><span class="Delimiter">:(replace{} &quot;bool routine::completed() const&quot;)</span>
-<span id="L182" class="LineNr">182 </span><span class="Normal">bool</span> routine::completed<span class="Delimiter">()</span> <span class="Normal">const</span> <span class="Delimiter">{</span>
-<span id="L183" class="LineNr">183 </span>  <span class="Identifier">return</span> calls<span class="Delimiter">.</span>empty<span class="Delimiter">();</span>
-<span id="L184" class="LineNr">184 </span><span class="Delimiter">}</span>
-<span id="L185" class="LineNr">185 </span>
-<span id="L186" class="LineNr">186 </span><span class="Delimiter">:(replace{} &quot;const vector&lt;instruction&gt;&amp; routine::steps() const&quot;)</span>
-<span id="L187" class="LineNr">187 </span><span class="Normal">const</span> vector&lt;instruction&gt;&amp; routine::steps<span class="Delimiter">()</span> <span class="Normal">const</span> <span class="Delimiter">{</span>
-<span id="L188" class="LineNr">188 </span>  assert<span class="Delimiter">(</span>!calls<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
-<span id="L189" class="LineNr">189 </span>  <span class="Identifier">return</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>running_recipe<span class="Delimiter">).</span>steps<span class="Delimiter">;</span>
-<span id="L190" class="LineNr">190 </span><span class="Delimiter">}</span>
-<span id="L191" class="LineNr">191 </span>
-<span id="L192" class="LineNr">192 </span><span class="Delimiter">:(after &quot;Running One Instruction&quot;)</span>
-<span id="L193" class="LineNr">193 </span><span class="Comment">// when we reach the end of one call, we may reach the end of the one below</span>
-<span id="L194" class="LineNr">194 </span><span class="Comment">// it, and the one below that, and so on</span>
-<span id="L195" class="LineNr">195 </span><span class="Normal">while</span> <span class="Delimiter">(</span><a href='026call.cc.html#L84'>current_step_index</a><span class="Delimiter">()</span> &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>steps<span class="Delimiter">()))</span> <span class="Delimiter">{</span>
-<span id="L196" class="LineNr">196 </span>  <span class="Comment">// Falling Through End Of Recipe</span>
-<span id="L197" class="LineNr">197 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L198" class="LineNr">198 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;trace&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;fall-through: exiting &quot;</span> &lt;&lt; <a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot;; decrementing callstack depth from &quot;</span> &lt;&lt; Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L199" class="LineNr">199 </span>    --Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth<span class="Delimiter">;</span>
-<span id="L200" class="LineNr">200 </span>    assert<span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &gt;= <span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L201" class="LineNr">201 </span>  <span class="Delimiter">}</span>
-<span id="L202" class="LineNr">202 </span>  Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>pop_front<span class="Delimiter">();</span>
-<span id="L203" class="LineNr">203 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">goto</span> stop_running_current_routine<span class="Delimiter">;</span>
-<span id="L204" class="LineNr">204 </span>  <span class="Comment">// Complete Call Fallthrough</span>
-<span id="L205" class="LineNr">205 </span>  <span class="Comment">// todo: fail if no products returned</span>
-<span id="L206" class="LineNr">206 </span>  ++current_step_index<span class="Delimiter">();</span>
-<span id="L207" class="LineNr">207 </span><span class="Delimiter">}</span>
-<span id="L208" class="LineNr">208 </span>
-<span id="L209" class="LineNr">209 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
-<span id="L210" class="LineNr">210 </span>_DUMP_CALL_STACK<span class="Delimiter">,</span>
-<span id="L211" class="LineNr">211 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L212" class="LineNr">212 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$dump-call-stack&quot;</span><span class="Delimiter">,</span> _DUMP_CALL_STACK<span class="Delimiter">);</span>
-<span id="L213" class="LineNr">213 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
-<span id="L214" class="LineNr">214 </span><span class="Normal">case</span> _DUMP_CALL_STACK: <span class="Delimiter">{</span>
-<span id="L215" class="LineNr">215 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L216" class="LineNr">216 </span><span class="Delimiter">}</span>
-<span id="L217" class="LineNr">217 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span id="L218" class="LineNr">218 </span><span class="Normal">case</span> _DUMP_CALL_STACK: <span class="Delimiter">{</span>
-<span id="L219" class="LineNr">219 </span>  <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">);</span>
-<span id="L220" class="LineNr">220 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L221" class="LineNr">221 </span><span class="Delimiter">}</span>
-<span id="L222" class="LineNr">222 </span><span class="Delimiter">:(code)</span>
-<span id="L223" class="LineNr">223 </span><span class="Normal">void</span> <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span><span class="Normal">const</span> call_stack&amp; calls<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L224" class="LineNr">224 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>call_stack::const_reverse_iterator p = calls<span class="Delimiter">.</span>rbegin<span class="Delimiter">();</span> p != calls<span class="Delimiter">.</span>rend<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span>
-<span id="L225" class="LineNr">225 </span>    cerr &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> p<span class="Delimiter">-&gt;</span>running_recipe<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;:&quot;</span> &lt;&lt; p<span class="Delimiter">-&gt;</span>running_step_index &lt;&lt; <span class="Constant">&quot; -- &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span><a href='026call.cc.html#L88'>to_instruction</a><span class="Delimiter">(</span>*p<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
-<span id="L226" class="LineNr">226 </span><span class="Delimiter">}</span>
+<span id="L136" class="LineNr">136 </span><span class="Delimiter">:(code)</span>
+<span id="L137" class="LineNr">137 </span><span class="Normal">void</span> dump_callstack<span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L138" class="LineNr">138 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!Current_routine<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L139" class="LineNr">139 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>size<span class="Delimiter">()</span> &lt;= <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L140" class="LineNr">140 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>call_stack::const_iterator p = ++Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span>
+<span id="L141" class="LineNr">141 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;  called from &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> p<span class="Delimiter">-&gt;</span>running_recipe<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span><a href='026call.cc.html#L88'>to_instruction</a><span class="Delimiter">(</span>*p<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L142" class="LineNr">142 </span><span class="Delimiter">}</span>
+<span id="L143" class="LineNr">143 </span>
+<span id="L144" class="LineNr">144 </span><span class="Delimiter">:(after &quot;Defined Recipe Checks&quot;)</span>
+<span id="L145" class="LineNr">145 </span><span class="Comment">// not a primitive; check that it's present in the book of recipes</span>
+<span id="L146" class="LineNr">146 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L147" class="LineNr">147 </span>  <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;undefined operation in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L148" class="LineNr">148 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L149" class="LineNr">149 </span><span class="Delimiter">}</span>
+<span id="L150" class="LineNr">150 </span><span class="Delimiter">:(replace{} &quot;default:&quot; following &quot;End Primitive Recipe Implementations&quot;)</span>
+<span id="L151" class="LineNr">151 </span><span class="Normal">default</span>: <span class="Delimiter">{</span>
+<span id="L152" class="LineNr">152 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>operation<span class="Delimiter">))</span> <span class="Delimiter">{</span>  <span class="Comment">// error already raised in Checks above</span>
+<span id="L153" class="LineNr">153 </span>    <span class="Comment">// not a primitive; look up the book of recipes</span>
+<span id="L154" class="LineNr">154 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L155" class="LineNr">155 </span>      ++Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth<span class="Delimiter">;</span>
+<span id="L156" class="LineNr">156 </span>      <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;trace&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;incrementing callstack depth to &quot;</span> &lt;&lt; Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L157" class="LineNr">157 </span>      assert<span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt; <span class="Constant">9000</span><span class="Delimiter">);</span>  <span class="Comment">// 9998-101 plus cushion</span>
+<span id="L158" class="LineNr">158 </span>    <span class="Delimiter">}</span>
+<span id="L159" class="LineNr">159 </span>    <span class="Normal">const</span> call&amp; caller_frame = <a href='026call.cc.html#L83'>current_call</a><span class="Delimiter">();</span>
+<span id="L160" class="LineNr">160 </span>    Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>push_front<span class="Delimiter">(</span>call<span class="Delimiter">(</span><a href='026call.cc.html#L88'>to_instruction</a><span class="Delimiter">(</span>caller_frame<span class="Delimiter">).</span>operation<span class="Delimiter">));</span>
+<span id="L161" class="LineNr">161 </span>    finish_call_housekeeping<span class="Delimiter">(</span><a href='026call.cc.html#L88'>to_instruction</a><span class="Delimiter">(</span>caller_frame<span class="Delimiter">),</span> ingredients<span class="Delimiter">);</span>
+<span id="L162" class="LineNr">162 </span>    <span class="Comment">// not done with caller</span>
+<span id="L163" class="LineNr">163 </span>    write_products = <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L164" class="LineNr">164 </span>    fall_through_to_next_instruction = <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L165" class="LineNr">165 </span>    <span class="Comment">// End Non-primitive Call(caller_frame)</span>
+<span id="L166" class="LineNr">166 </span>  <span class="Delimiter">}</span>
+<span id="L167" class="LineNr">167 </span><span class="Delimiter">}</span>
+<span id="L168" class="LineNr">168 </span><span class="Delimiter">:(code)</span>
+<span id="L169" class="LineNr">169 </span><span class="Normal">void</span> finish_call_housekeeping<span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; call_instruction<span class="Delimiter">,</span> <span class="Normal">const</span> vector&lt;vector&lt;<span class="Normal">double</span>&gt; &gt;&amp; ingredients<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L170" class="LineNr">170 </span>  <span class="Comment">// End Call Housekeeping</span>
+<span id="L171" class="LineNr">171 </span><span class="Delimiter">}</span>
+<span id="L172" class="LineNr">172 </span>
+<span id="L173" class="LineNr">173 </span><span class="Delimiter">:(scenario calling_undefined_recipe_fails)</span>
+<span id="L174" class="LineNr">174 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L175" class="LineNr">175 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L176" class="LineNr">176 </span>  foo
+<span id="L177" class="LineNr">177 </span>]
+<span id="L178" class="LineNr">178 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: undefined operation in 'foo'</span>
+<span id="L179" class="LineNr">179 </span>
+<span id="L180" class="LineNr">180 </span><span class="Delimiter">:(scenario calling_undefined_recipe_handles_missing_result)</span>
+<span id="L181" class="LineNr">181 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L182" class="LineNr">182 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L183" class="LineNr">183 </span>  <span class="Normal">x</span>:num<span class="Special"> &lt;- </span>foo
+<span id="L184" class="LineNr">184 </span>]
+<span id="L185" class="LineNr">185 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: undefined operation in 'x:num &lt;- foo'</span>
+<span id="L186" class="LineNr">186 </span>
+<span id="L187" class="LineNr">187 </span><span class="SalientComment">//:: finally, we need to fix the termination conditions for the run loop</span>
+<span id="L188" class="LineNr">188 </span>
+<span id="L189" class="LineNr">189 </span><span class="Delimiter">:(replace{} &quot;bool routine::completed() const&quot;)</span>
+<span id="L190" class="LineNr">190 </span><span class="Normal">bool</span> routine::completed<span class="Delimiter">()</span> <span class="Normal">const</span> <span class="Delimiter">{</span>
+<span id="L191" class="LineNr">191 </span>  <span class="Identifier">return</span> calls<span class="Delimiter">.</span>empty<span class="Delimiter">();</span>
+<span id="L192" class="LineNr">192 </span><span class="Delimiter">}</span>
+<span id="L193" class="LineNr">193 </span>
+<span id="L194" class="LineNr">194 </span><span class="Delimiter">:(replace{} &quot;const vector&lt;instruction&gt;&amp; routine::steps() const&quot;)</span>
+<span id="L195" class="LineNr">195 </span><span class="Normal">const</span> vector&lt;instruction&gt;&amp; routine::steps<span class="Delimiter">()</span> <span class="Normal">const</span> <span class="Delimiter">{</span>
+<span id="L196" class="LineNr">196 </span>  assert<span class="Delimiter">(</span>!calls<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
+<span id="L197" class="LineNr">197 </span>  <span class="Identifier">return</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>running_recipe<span class="Delimiter">).</span>steps<span class="Delimiter">;</span>
+<span id="L198" class="LineNr">198 </span><span class="Delimiter">}</span>
+<span id="L199" class="LineNr">199 </span>
+<span id="L200" class="LineNr">200 </span><span class="Delimiter">:(after &quot;Running One Instruction&quot;)</span>
+<span id="L201" class="LineNr">201 </span><span class="Comment">// when we reach the end of one call, we may reach the end of the one below</span>
+<span id="L202" class="LineNr">202 </span><span class="Comment">// it, and the one below that, and so on</span>
+<span id="L203" class="LineNr">203 </span><span class="Normal">while</span> <span class="Delimiter">(</span><a href='026call.cc.html#L84'>current_step_index</a><span class="Delimiter">()</span> &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>steps<span class="Delimiter">()))</span> <span class="Delimiter">{</span>
+<span id="L204" class="LineNr">204 </span>  <span class="Comment">// Falling Through End Of Recipe</span>
+<span id="L205" class="LineNr">205 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L206" class="LineNr">206 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;trace&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;fall-through: exiting &quot;</span> &lt;&lt; <a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot;; decrementing callstack depth from &quot;</span> &lt;&lt; Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L207" class="LineNr">207 </span>    --Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth<span class="Delimiter">;</span>
+<span id="L208" class="LineNr">208 </span>    assert<span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &gt;= <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L209" class="LineNr">209 </span>  <span class="Delimiter">}</span>
+<span id="L210" class="LineNr">210 </span>  Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>pop_front<span class="Delimiter">();</span>
+<span id="L211" class="LineNr">211 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">goto</span> stop_running_current_routine<span class="Delimiter">;</span>
+<span id="L212" class="LineNr">212 </span>  <span class="Comment">// Complete Call Fallthrough</span>
+<span id="L213" class="LineNr">213 </span>  <span class="Comment">// todo: fail if no products returned</span>
+<span id="L214" class="LineNr">214 </span>  ++current_step_index<span class="Delimiter">();</span>
+<span id="L215" class="LineNr">215 </span><span class="Delimiter">}</span>
+<span id="L216" class="LineNr">216 </span>
+<span id="L217" class="LineNr">217 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
+<span id="L218" class="LineNr">218 </span>_DUMP_CALL_STACK<span class="Delimiter">,</span>
+<span id="L219" class="LineNr">219 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
+<span id="L220" class="LineNr">220 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$dump-call-stack&quot;</span><span class="Delimiter">,</span> _DUMP_CALL_STACK<span class="Delimiter">);</span>
+<span id="L221" class="LineNr">221 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
+<span id="L222" class="LineNr">222 </span><span class="Normal">case</span> _DUMP_CALL_STACK: <span class="Delimiter">{</span>
+<span id="L223" class="LineNr">223 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L224" class="LineNr">224 </span><span class="Delimiter">}</span>
+<span id="L225" class="LineNr">225 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
+<span id="L226" class="LineNr">226 </span><span class="Normal">case</span> _DUMP_CALL_STACK: <span class="Delimiter">{</span>
+<span id="L227" class="LineNr">227 </span>  <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">);</span>
+<span id="L228" class="LineNr">228 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L229" class="LineNr">229 </span><span class="Delimiter">}</span>
+<span id="L230" class="LineNr">230 </span><span class="Delimiter">:(code)</span>
+<span id="L231" class="LineNr">231 </span><span class="Normal">void</span> <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span><span class="Normal">const</span> call_stack&amp; calls<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L232" class="LineNr">232 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>call_stack::const_reverse_iterator p = calls<span class="Delimiter">.</span>rbegin<span class="Delimiter">();</span> p != calls<span class="Delimiter">.</span>rend<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span>
+<span id="L233" class="LineNr">233 </span>    cerr &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> p<span class="Delimiter">-&gt;</span>running_recipe<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;:&quot;</span> &lt;&lt; p<span class="Delimiter">-&gt;</span>running_step_index &lt;&lt; <span class="Constant">&quot; -- &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span><a href='026call.cc.html#L88'>to_instruction</a><span class="Delimiter">(</span>*p<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
+<span id="L234" class="LineNr">234 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>
diff --git a/html/027call_ingredient.cc.html b/html/027call_ingredient.cc.html
index 10239e55..ff7cd92d 100644
--- a/html/027call_ingredient.cc.html
+++ b/html/027call_ingredient.cc.html
@@ -125,7 +125,7 @@ if ('onhashchange' in window) {
 <span id="L63" class="LineNr"> 63 </span>    <span class="Delimiter">}</span>
 <span id="L64" class="LineNr"> 64 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>product<span class="Delimiter">,</span>
 <span id="L65" class="LineNr"> 65 </span>                              <a href='026call.cc.html#L83'>current_call</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><a href='026call.cc.html#L83'>current_call</a><span class="Delimiter">().</span>next_ingredient_to_process<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
-<span id="L66" class="LineNr"> 66 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;wrong type for ingredient '&quot;</span> &lt;&lt; product<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L66" class="LineNr"> 66 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;wrong type for ingredient '&quot;</span> &lt;&lt; product<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;': &quot;</span> &lt;&lt; <a href='026call.cc.html#L83'>current_call</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><a href='026call.cc.html#L83'>current_call</a><span class="Delimiter">().</span>next_ingredient_to_process<span class="Delimiter">).</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L67" class="LineNr"> 67 </span>      <span class="Comment">// End next-ingredient Type Mismatch Error</span>
 <span id="L68" class="LineNr"> 68 </span>    <span class="Delimiter">}</span>
 <span id="L69" class="LineNr"> 69 </span>    products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>
diff --git a/html/028call_return.cc.html b/html/028call_return.cc.html
index 6b4db0b7..89091732 100644
--- a/html/028call_return.cc.html
+++ b/html/028call_return.cc.html
@@ -175,7 +175,7 @@ if ('onhashchange' in window) {
 <span id="L113" class="LineNr">113 </span><span class="Delimiter">}</span>
 <span id="L114" class="LineNr">114 </span>
 <span id="L115" class="LineNr">115 </span><span class="Normal">bool</span> <a href='028call_return.cc.html#L115'>is_primitive</a><span class="Delimiter">(</span><a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L116" class="LineNr">116 </span>  <span class="Identifier">return</span> r &lt; <a href='010vm.cc.html#L191'>MAX_PRIMITIVE_RECIPES</a><span class="Delimiter">;</span>
+<span id="L116" class="LineNr">116 </span>  <span class="Identifier">return</span> r &lt; <a href='010vm.cc.html#L192'>MAX_PRIMITIVE_RECIPES</a><span class="Delimiter">;</span>
 <span id="L117" class="LineNr">117 </span><span class="Delimiter">}</span>
 <span id="L118" class="LineNr">118 </span>
 <span id="L119" class="LineNr">119 </span><span class="Delimiter">:(scenario return_type_mismatch)</span>
diff --git a/html/030container.cc.html b/html/030container.cc.html
index c81b1892..89512ff0 100644
--- a/html/030container.cc.html
+++ b/html/030container.cc.html
@@ -68,9 +68,9 @@ if ('onhashchange' in window) {
 <span id="L2" class="LineNr">  2 </span>
 <span id="L3" class="LineNr">  3 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
 <span id="L4" class="LineNr">  4 </span><span class="Comment">//: We'll use this container as a running example in scenarios below.</span>
-<span id="L5" class="LineNr">  5 </span><a href='010vm.cc.html#L123'>type_ordinal</a> point = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;point&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L5" class="LineNr">  5 </span><a href='010vm.cc.html#L124'>type_ordinal</a> point = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;point&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
 <span id="L6" class="LineNr">  6 </span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point<span class="Delimiter">);</span>  <span class="Comment">// initialize</span>
-<span id="L7" class="LineNr">  7 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point<span class="Delimiter">).</span>kind = <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">;</span>
+<span id="L7" class="LineNr">  7 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point<span class="Delimiter">).</span>kind = <a href='010vm.cc.html#L174'>CONTAINER</a><span class="Delimiter">;</span>
 <span id="L8" class="LineNr">  8 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point<span class="Delimiter">).</span>name = <span class="Constant">&quot;point&quot;</span><span class="Delimiter">;</span>
 <span id="L9" class="LineNr">  9 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point<span class="Delimiter">).</span>elements<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">&quot;x:number&quot;</span><span class="Delimiter">));</span>
 <span id="L10" class="LineNr"> 10 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point<span class="Delimiter">).</span>elements<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">&quot;y:number&quot;</span><span class="Delimiter">));</span>
@@ -101,9 +101,9 @@ if ('onhashchange' in window) {
 <span id="L35" class="LineNr"> 35 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
 <span id="L36" class="LineNr"> 36 </span><span class="Comment">// A more complex example container, containing another container as one of</span>
 <span id="L37" class="LineNr"> 37 </span><span class="Comment">// its elements.</span>
-<span id="L38" class="LineNr"> 38 </span><a href='010vm.cc.html#L123'>type_ordinal</a> point_number = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;point-number&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L38" class="LineNr"> 38 </span><a href='010vm.cc.html#L124'>type_ordinal</a> point_number = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;point-number&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
 <span id="L39" class="LineNr"> 39 </span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point_number<span class="Delimiter">);</span>  <span class="Comment">// initialize</span>
-<span id="L40" class="LineNr"> 40 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point_number<span class="Delimiter">).</span>kind = <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">;</span>
+<span id="L40" class="LineNr"> 40 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point_number<span class="Delimiter">).</span>kind = <a href='010vm.cc.html#L174'>CONTAINER</a><span class="Delimiter">;</span>
 <span id="L41" class="LineNr"> 41 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point_number<span class="Delimiter">).</span>name = <span class="Constant">&quot;point-number&quot;</span><span class="Delimiter">;</span>
 <span id="L42" class="LineNr"> 42 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point_number<span class="Delimiter">).</span>elements<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">&quot;xy:point&quot;</span><span class="Delimiter">));</span>
 <span id="L43" class="LineNr"> 43 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> point_number<span class="Delimiter">).</span>elements<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">&quot;z:number&quot;</span><span class="Delimiter">));</span>
@@ -221,7 +221,7 @@ if ('onhashchange' in window) {
 <span id="L155" class="LineNr">155 </span>  <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L156" class="LineNr">156 </span><span class="Delimiter">}</span>
 <span id="L157" class="LineNr">157 </span>type_info t = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
-<span id="L158" class="LineNr">158 </span><span class="Normal">if</span> <span class="Delimiter">(</span>t<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L158" class="LineNr">158 </span><span class="Normal">if</span> <span class="Delimiter">(</span>t<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L159" class="LineNr">159 </span>  <span class="Comment">// Compute size_of Container</span>
 <span id="L160" class="LineNr">160 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> type<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L161" class="LineNr">161 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;unknown size for container type '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
@@ -280,13 +280,13 @@ if ('onhashchange' in window) {
 <span id="L214" class="LineNr">214 </span>  assert<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L215" class="LineNr">215 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
 <span id="L216" class="LineNr">216 </span>  type_info&amp; info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
-<span id="L217" class="LineNr">217 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">)</span>
+<span id="L217" class="LineNr">217 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>CONTAINER</a><span class="Delimiter">)</span>
 <span id="L218" class="LineNr">218 </span>    compute_container_sizes<span class="Delimiter">(</span>info<span class="Delimiter">,</span> type<span class="Delimiter">,</span> pending_metadata<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
 <span id="L219" class="LineNr">219 </span>  <span class="Comment">// End compute_container_sizes Atom Special-cases</span>
 <span id="L220" class="LineNr">220 </span><span class="Delimiter">}</span>
 <span id="L221" class="LineNr">221 </span>
 <span id="L222" class="LineNr">222 </span><span class="Normal">void</span> compute_container_sizes<span class="Delimiter">(</span><span class="Normal">const</span> type_info&amp; container_info<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree* full_type<span class="Delimiter">,</span> set&lt;type_tree&gt;&amp; pending_metadata<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; location_for_error_messages<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L223" class="LineNr">223 </span>  assert<span class="Delimiter">(</span>container_info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">);</span>
+<span id="L223" class="LineNr">223 </span>  assert<span class="Delimiter">(</span>container_info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>CONTAINER</a><span class="Delimiter">);</span>
 <span id="L224" class="LineNr">224 </span>  <span class="Comment">// size of a container is the sum of the sizes of its element</span>
 <span id="L225" class="LineNr">225 </span>  <span class="Comment">// (So it can only contain arrays if they're static and include their</span>
 <span id="L226" class="LineNr">226 </span>  <span class="Comment">// length in the type.)</span>
@@ -437,7 +437,7 @@ if ('onhashchange' in window) {
 <span id="L371" class="LineNr">371 </span>  <span class="Delimiter">}</span>
 <span id="L372" class="LineNr">372 </span>  <span class="Normal">const</span> type_tree* base_type = base<span class="Delimiter">.</span>type<span class="Delimiter">;</span>
 <span id="L373" class="LineNr">373 </span>  <span class="Comment">// Update GET base_type in Check</span>
-<span id="L374" class="LineNr">374 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!base_type<span class="Delimiter">-&gt;</span>atom || base_type<span class="Delimiter">-&gt;</span>value == <span class="Constant">0</span> || !contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">)</span> || get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>kind != <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L374" class="LineNr">374 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!base_type<span class="Delimiter">-&gt;</span>atom || base_type<span class="Delimiter">-&gt;</span>value == <span class="Constant">0</span> || !contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">)</span> || get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>kind != <a href='010vm.cc.html#L174'>CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L375" class="LineNr">375 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'get' should be a container, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L376" class="LineNr">376 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L377" class="LineNr">377 </span>  <span class="Delimiter">}</span>
@@ -484,7 +484,7 @@ if ('onhashchange' in window) {
 <span id="L418" class="LineNr">418 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;address to copy is &quot;</span> &lt;&lt; src &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L419" class="LineNr">419 </span>  <span class="Comment">//: use base.type rather than base_type because later layers will introduce compound types</span>
 <span id="L420" class="LineNr">420 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> element = <a href='030container.cc.html#L429'>element_type</a><span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">,</span> offset<span class="Delimiter">);</span>
-<span id="L421" class="LineNr">421 </span>  element<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>src<span class="Delimiter">);</span>
+<span id="L421" class="LineNr">421 </span>  element<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>src<span class="Delimiter">);</span>
 <span id="L422" class="LineNr">422 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;its type is &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L423" class="LineNr">423 </span>  <span class="Comment">// Read element</span>
 <span id="L424" class="LineNr">424 </span>  products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>read_memory<span class="Delimiter">(</span>element<span class="Delimiter">));</span>
@@ -499,7 +499,7 @@ if ('onhashchange' in window) {
 <span id="L433" class="LineNr">433 </span>  assert<span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">));</span>
 <span id="L434" class="LineNr">434 </span>  assert<span class="Delimiter">(</span>!get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>name<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
 <span id="L435" class="LineNr">435 </span>  <span class="Normal">const</span> type_info&amp; info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
-<span id="L436" class="LineNr">436 </span>  assert<span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">);</span>
+<span id="L436" class="LineNr">436 </span>  assert<span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>CONTAINER</a><span class="Delimiter">);</span>
 <span id="L437" class="LineNr">437 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>offset_value &gt;= <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">))</span> <span class="Identifier">return</span> reagent<span class="Delimiter">();</span>  <span class="Comment">// error handled elsewhere</span>
 <span id="L438" class="LineNr">438 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> element = info<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>offset_value<span class="Delimiter">);</span>
 <span id="L439" class="LineNr">439 </span>  <span class="Comment">// End element_type Special-cases</span>
@@ -585,7 +585,7 @@ if ('onhashchange' in window) {
 <span id="L519" class="LineNr">519 </span>  <span class="Delimiter">}</span>
 <span id="L520" class="LineNr">520 </span>  <span class="Normal">const</span> type_tree* base_type = base<span class="Delimiter">.</span>type<span class="Delimiter">;</span>
 <span id="L521" class="LineNr">521 </span>  <span class="Comment">// Update PUT base_type in Check</span>
-<span id="L522" class="LineNr">522 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!base_type<span class="Delimiter">-&gt;</span>atom || base_type<span class="Delimiter">-&gt;</span>value == <span class="Constant">0</span> || !contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">)</span> || get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>kind != <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L522" class="LineNr">522 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!base_type<span class="Delimiter">-&gt;</span>atom || base_type<span class="Delimiter">-&gt;</span>value == <span class="Constant">0</span> || !contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">)</span> || get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>kind != <a href='010vm.cc.html#L174'>CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L523" class="LineNr">523 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'put' should be a container, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L524" class="LineNr">524 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L525" class="LineNr">525 </span>  <span class="Delimiter">}</span>
@@ -712,7 +712,7 @@ if ('onhashchange' in window) {
 <span id="L646" class="LineNr">646 </span>
 <span id="L647" class="LineNr">647 </span><span class="Delimiter">:(before &quot;End Command Handlers&quot;)</span>
 <span id="L648" class="LineNr">648 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>command == <span class="Constant">&quot;container&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L649" class="LineNr">649 </span>  <a href='030container.cc.html#L661'>insert_container</a><span class="Delimiter">(</span>command<span class="Delimiter">,</span> <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">,</span> in<span class="Delimiter">);</span>
+<span id="L649" class="LineNr">649 </span>  <a href='030container.cc.html#L661'>insert_container</a><span class="Delimiter">(</span>command<span class="Delimiter">,</span> <a href='010vm.cc.html#L174'>CONTAINER</a><span class="Delimiter">,</span> in<span class="Delimiter">);</span>
 <span id="L650" class="LineNr">650 </span><span class="Delimiter">}</span>
 <span id="L651" class="LineNr">651 </span>
 <span id="L652" class="LineNr">652 </span><span class="Comment">//: Even though we allow containers to be extended, we don't allow this after</span>
@@ -724,7 +724,7 @@ if ('onhashchange' in window) {
 <span id="L658" class="LineNr">658 </span>Num_calls_to_transform_all_at_first_definition = -<span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L659" class="LineNr">659 </span>
 <span id="L660" class="LineNr">660 </span><span class="Delimiter">:(code)</span>
-<span id="L661" class="LineNr">661 </span><span class="Normal">void</span> <a href='030container.cc.html#L661'>insert_container</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; command<span class="Delimiter">,</span> <a href='010vm.cc.html#L171'>kind_of_type</a> kind<span class="Delimiter">,</span> istream&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L661" class="LineNr">661 </span><span class="Normal">void</span> <a href='030container.cc.html#L661'>insert_container</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; command<span class="Delimiter">,</span> <a href='010vm.cc.html#L172'>kind_of_type</a> kind<span class="Delimiter">,</span> istream&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L662" class="LineNr">662 </span>  skip_whitespace_but_not_newline<span class="Delimiter">(</span>in<span class="Delimiter">);</span>
 <span id="L663" class="LineNr">663 </span>  string name = <a href='011load.cc.html#L167'>next_word</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
 <span id="L664" class="LineNr">664 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>name<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
@@ -967,12 +967,12 @@ if ('onhashchange' in window) {
 <span id="L901" class="LineNr">901 </span>  <span class="Delimiter">}</span>
 <span id="L902" class="LineNr">902 </span><span class="Delimiter">}</span>
 <span id="L903" class="LineNr">903 </span>
-<span id="L904" class="LineNr">904 </span>string to_original_string<span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L123'>type_ordinal</a> t<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L904" class="LineNr">904 </span>string to_original_string<span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L124'>type_ordinal</a> t<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L905" class="LineNr">905 </span>  ostringstream out<span class="Delimiter">;</span>
 <span id="L906" class="LineNr">906 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> t<span class="Delimiter">))</span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
 <span id="L907" class="LineNr">907 </span>  <span class="Normal">const</span> type_info&amp; info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> t<span class="Delimiter">);</span>
-<span id="L908" class="LineNr">908 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L172'>PRIMITIVE</a><span class="Delimiter">)</span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
-<span id="L909" class="LineNr">909 </span>  out &lt;&lt; <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L173'>CONTAINER</a> ? <span class="Constant">&quot;container&quot;</span> : <span class="Constant">&quot;exclusive-container&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; &quot;</span> &lt;&lt; info<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
+<span id="L908" class="LineNr">908 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L173'>PRIMITIVE</a><span class="Delimiter">)</span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
+<span id="L909" class="LineNr">909 </span>  out &lt;&lt; <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>CONTAINER</a> ? <span class="Constant">&quot;container&quot;</span> : <span class="Constant">&quot;exclusive-container&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; &quot;</span> &lt;&lt; info<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
 <span id="L910" class="LineNr">910 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L911" class="LineNr">911 </span>    out &lt;&lt; <span class="Constant">&quot;  &quot;</span> &lt;&lt; info<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
 <span id="L912" class="LineNr">912 </span>  <span class="Delimiter">}</span>
diff --git a/html/031merge.cc.html b/html/031merge.cc.html
index 4e006e5c..0f44cf3a 100644
--- a/html/031merge.cc.html
+++ b/html/031merge.cc.html
@@ -195,7 +195,7 @@ if ('onhashchange' in window) {
 <span id="L131" class="LineNr">131 </span>      <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L132" class="LineNr">132 </span>    <span class="Delimiter">}</span>
 <span id="L133" class="LineNr">133 </span>    <span class="Normal">const</span> type_info&amp; info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> product_base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
-<span id="L134" class="LineNr">134 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind != <a href='010vm.cc.html#L173'>CONTAINER</a> &amp;&amp; info<span class="Delimiter">.</span>kind != <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L134" class="LineNr">134 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind != <a href='010vm.cc.html#L174'>CONTAINER</a> &amp;&amp; info<span class="Delimiter">.</span>kind != <a href='010vm.cc.html#L175'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L135" class="LineNr">135 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'merge' should yield a container in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L136" class="LineNr">136 </span>      <span class="Identifier">continue</span><span class="Delimiter">;</span>
 <span id="L137" class="LineNr">137 </span>    <span class="Delimiter">}</span>
@@ -220,7 +220,7 @@ if ('onhashchange' in window) {
 <span id="L156" class="LineNr">156 </span>    assert<span class="Delimiter">(</span>top_root_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L157" class="LineNr">157 </span>    type_info&amp; container_info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> top_root_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
 <span id="L158" class="LineNr">158 </span>    <span class="Normal">switch</span> <span class="Delimiter">(</span>container_info<span class="Delimiter">.</span>kind<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L159" class="LineNr">159 </span>      <span class="Normal">case</span> <a href='010vm.cc.html#L173'>CONTAINER</a>: <span class="Delimiter">{</span>
+<span id="L159" class="LineNr">159 </span>      <span class="Normal">case</span> <a href='010vm.cc.html#L174'>CONTAINER</a>: <span class="Delimiter">{</span>
 <span id="L160" class="LineNr">160 </span>        <span class="Comment">// degenerate case: merge with the same type always succeeds</span>
 <span id="L161" class="LineNr">161 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container_element_index == <span class="Constant">0</span> &amp;&amp; <a href='021check_instruction.cc.html#L115'>types_coercible</a><span class="Delimiter">(</span>container<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>ingredient_index<span class="Delimiter">)))</span>
 <span id="L162" class="LineNr">162 </span>          <span class="Identifier">return</span><span class="Delimiter">;</span>
diff --git a/html/032array.cc.html b/html/032array.cc.html
index c8e8ebac..955f1c9c 100644
--- a/html/032array.cc.html
+++ b/html/032array.cc.html
@@ -119,10 +119,10 @@ if ('onhashchange' in window) {
 <span id="L55" class="LineNr"> 55 </span>  type_tree* array_length_from_type = product<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
 <span id="L56" class="LineNr"> 56 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!product<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span>
 <span id="L57" class="LineNr"> 57 </span>    array_length_from_type = array_length_from_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">;</span>
-<span id="L58" class="LineNr"> 58 </span>  <span class="Normal">int</span> <a href='032array.cc.html#L397'>array_length</a> = to_integer<span class="Delimiter">(</span>array_length_from_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
+<span id="L58" class="LineNr"> 58 </span>  <span class="Normal">int</span> <a href='032array.cc.html#L395'>array_length</a> = to_integer<span class="Delimiter">(</span>array_length_from_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
 <span id="L59" class="LineNr"> 59 </span>  <span class="Comment">// initialize array length, so that size_of will work</span>
-<span id="L60" class="LineNr"> 60 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; <a href='032array.cc.html#L397'>array_length</a> &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; base_address &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L61" class="LineNr"> 61 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address<span class="Delimiter">,</span> <a href='032array.cc.html#L397'>array_length</a><span class="Delimiter">);</span>  <span class="Comment">// in array elements</span>
+<span id="L60" class="LineNr"> 60 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; <a href='032array.cc.html#L395'>array_length</a> &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; base_address &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L61" class="LineNr"> 61 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address<span class="Delimiter">,</span> <a href='032array.cc.html#L395'>array_length</a><span class="Delimiter">);</span>  <span class="Comment">// in array elements</span>
 <span id="L62" class="LineNr"> 62 </span>  <span class="Normal">int</span> size = size_of<span class="Delimiter">(</span>product<span class="Delimiter">);</span>  <span class="Comment">// in locations</span>
 <span id="L63" class="LineNr"> 63 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;creating array of size &quot;</span> &lt;&lt; size &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L64" class="LineNr"> 64 </span>  <span class="Comment">// initialize array</span>
@@ -164,7 +164,7 @@ if ('onhashchange' in window) {
 <span id="L100" class="LineNr">100 </span>
 <span id="L101" class="LineNr">101 </span><span class="Delimiter">:(before &quot;End <a href='021check_instruction.cc.html#L115'>types_coercible</a> Special-cases&quot;)</span>
 <span id="L102" class="LineNr">102 </span><span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_array<span class="Delimiter">(</span>from<span class="Delimiter">)</span> &amp;&amp; is_mu_array<span class="Delimiter">(</span>to<span class="Delimiter">))</span>
-<span id="L103" class="LineNr">103 </span>  <span class="Identifier">return</span> types_strictly_match<span class="Delimiter">(</span><a href='032array.cc.html#L381'>array_element</a><span class="Delimiter">(</span>from<span class="Delimiter">.</span>type<span class="Delimiter">),</span> <a href='032array.cc.html#L381'>array_element</a><span class="Delimiter">(</span>to<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
+<span id="L103" class="LineNr">103 </span>  <span class="Identifier">return</span> types_strictly_match<span class="Delimiter">(</span><a href='032array.cc.html#L379'>array_element</a><span class="Delimiter">(</span>from<span class="Delimiter">.</span>type<span class="Delimiter">),</span> <a href='032array.cc.html#L379'>array_element</a><span class="Delimiter">(</span>to<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
 <span id="L104" class="LineNr">104 </span>
 <span id="L105" class="LineNr">105 </span><span class="Delimiter">:(before &quot;End size_of(reagent r) Special-cases&quot;)</span>
 <span id="L106" class="LineNr">106 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom &amp;&amp; r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom &amp;&amp; r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;array&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
@@ -172,7 +172,7 @@ if ('onhashchange' in window) {
 <span id="L108" class="LineNr">108 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; r<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;' is an array of what?</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L109" class="LineNr">109 </span>    <span class="Identifier">return</span> <span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L110" class="LineNr">110 </span>  <span class="Delimiter">}</span>
-<span id="L111" class="LineNr">111 </span>  <span class="Identifier">return</span> <span class="Comment">/*</span><span class="Comment">space for length</span><span class="Comment">*/</span><span class="Constant">1</span> + <a href='032array.cc.html#L397'>array_length</a><span class="Delimiter">(</span>r<span class="Delimiter">)</span>*size_of<span class="Delimiter">(</span><a href='032array.cc.html#L381'>array_element</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
+<span id="L111" class="LineNr">111 </span>  <span class="Identifier">return</span> <span class="Comment">/*</span><span class="Comment">space for length</span><span class="Comment">*/</span><span class="Constant">1</span> + <a href='032array.cc.html#L395'>array_length</a><span class="Delimiter">(</span>r<span class="Delimiter">)</span>*size_of<span class="Delimiter">(</span><a href='032array.cc.html#L379'>array_element</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
 <span id="L112" class="LineNr">112 </span><span class="Delimiter">}</span>
 <span id="L113" class="LineNr">113 </span>
 <span id="L114" class="LineNr">114 </span><span class="Delimiter">:(before &quot;End size_of(type) Non-atom Special-cases&quot;)</span>
@@ -269,7 +269,7 @@ if ('onhashchange' in window) {
 <span id="L205" class="LineNr">205 </span>
 <span id="L206" class="LineNr">206 </span><span class="Delimiter">:(before &quot;End compute_container_sizes Non-atom Special-cases&quot;)</span>
 <span id="L207" class="LineNr">207 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;array&quot;</span><span class="Delimiter">)</span>
-<span id="L208" class="LineNr">208 </span>  compute_container_sizes<span class="Delimiter">(</span><a href='032array.cc.html#L381'>array_element</a><span class="Delimiter">(</span>type<span class="Delimiter">),</span> pending_metadata<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
+<span id="L208" class="LineNr">208 </span>  compute_container_sizes<span class="Delimiter">(</span><a href='032array.cc.html#L379'>array_element</a><span class="Delimiter">(</span>type<span class="Delimiter">),</span> pending_metadata<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
 <span id="L209" class="LineNr">209 </span>
 <span id="L210" class="LineNr">210 </span><span class="Delimiter">:(before &quot;End Unit Tests&quot;)</span>
 <span id="L211" class="LineNr">211 </span><span class="Normal">void</span> <a href='032array.cc.html#L211'>test_container_sizes_from_array</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
@@ -402,324 +402,321 @@ if ('onhashchange' in window) {
 <span id="L338" class="LineNr">338 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L339" class="LineNr">339 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> product = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L340" class="LineNr">340 </span>  <span class="Comment">// Update INDEX product in Check</span>
-<span id="L341" class="LineNr">341 </span>  reagent<span class="Comment">/*</span><span class="Comment">local</span><span class="Comment">*/</span> element<span class="Delimiter">;</span>
-<span id="L342" class="LineNr">342 </span>  element<span class="Delimiter">.</span>type = <a href='032array.cc.html#L377'>copy_array_element</a><span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span id="L343" class="LineNr">343 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>product<span class="Delimiter">,</span> element<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L344" class="LineNr">344 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'index' on '&quot;</span> &lt;&lt; base<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;' can't be saved in '&quot;</span> &lt;&lt; product<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'; type should be '&quot;</span> &lt;&lt; names_to_string_without_quotes<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-<span id="L345" class="LineNr">345 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L346" class="LineNr">346 </span>  <span class="Delimiter">}</span>
-<span id="L347" class="LineNr">347 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L348" class="LineNr">348 </span><span class="Delimiter">}</span>
-<span id="L349" class="LineNr">349 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span id="L350" class="LineNr">350 </span><span class="Normal">case</span> INDEX: <span class="Delimiter">{</span>
-<span id="L351" class="LineNr">351 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> base = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L352" class="LineNr">352 </span>  <span class="Comment">// Update INDEX base in Run</span>
-<span id="L353" class="LineNr">353 </span>  <span class="Normal">int</span> base_address = base<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
-<span id="L354" class="LineNr">354 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;base <a href='043space.cc.html#L80'>address</a> is &quot;</span> &lt;&lt; base_address &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L355" class="LineNr">355 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>base_address == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L356" class="LineNr">356 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;tried to access location 0 in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L357" class="LineNr">357 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L358" class="LineNr">358 </span>  <span class="Delimiter">}</span>
-<span id="L359" class="LineNr">359 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> index = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L360" class="LineNr">360 </span>  <span class="Comment">// Update INDEX index in Run</span>
-<span id="L361" class="LineNr">361 </span>  vector&lt;<span class="Normal">double</span>&gt; index_val<span class="Delimiter">(</span>read_memory<span class="Delimiter">(</span>index<span class="Delimiter">));</span>
-<span id="L362" class="LineNr">362 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt; <span class="Constant">0</span> || index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &gt;= <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L363" class="LineNr">363 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;invalid index &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot; in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L364" class="LineNr">364 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L365" class="LineNr">365 </span>  <span class="Delimiter">}</span>
-<span id="L366" class="LineNr">366 </span>  reagent<span class="Comment">/*</span><span class="Comment">local</span><span class="Comment">*/</span> element<span class="Delimiter">;</span>
-<span id="L367" class="LineNr">367 </span>  element<span class="Delimiter">.</span>type = <a href='032array.cc.html#L377'>copy_array_element</a><span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span id="L368" class="LineNr">368 </span>  element<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>base_address + <span class="Comment">/*</span><span class="Comment">skip length</span><span class="Comment">*/</span><span class="Constant">1</span> + index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span>*size_of<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
-<span id="L369" class="LineNr">369 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;address to copy is &quot;</span> &lt;&lt; element<span class="Delimiter">.</span>value &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L370" class="LineNr">370 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;its type is &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L371" class="LineNr">371 </span>  <span class="Comment">// Read element</span>
-<span id="L372" class="LineNr">372 </span>  products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>read_memory<span class="Delimiter">(</span>element<span class="Delimiter">));</span>
-<span id="L373" class="LineNr">373 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L374" class="LineNr">374 </span><span class="Delimiter">}</span>
-<span id="L375" class="LineNr">375 </span>
-<span id="L376" class="LineNr">376 </span><span class="Delimiter">:(code)</span>
-<span id="L377" class="LineNr">377 </span>type_tree* <a href='032array.cc.html#L377'>copy_array_element</a><span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L378" class="LineNr">378 </span>  <span class="Identifier">return</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*array_element<span class="Delimiter">(</span>type<span class="Delimiter">));</span>
-<span id="L379" class="LineNr">379 </span><span class="Delimiter">}</span>
-<span id="L380" class="LineNr">380 </span>
-<span id="L381" class="LineNr">381 </span>type_tree* <a href='032array.cc.html#L381'>array_element</a><span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L382" class="LineNr">382 </span>  assert<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
-<span id="L383" class="LineNr">383 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L384" class="LineNr">384 </span>    <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
-<span id="L385" class="LineNr">385 </span>  <span class="Delimiter">}</span>
-<span id="L386" class="LineNr">386 </span>  <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L387" class="LineNr">387 </span>    <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">;</span>
-<span id="L388" class="LineNr">388 </span>  <span class="Delimiter">}</span>
-<span id="L389" class="LineNr">389 </span>  <span class="Comment">// hack: support array:num:3 without requiring extra parens</span>
-<span id="L390" class="LineNr">390 </span>  <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left &amp;&amp; type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom &amp;&amp; is_integer<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L391" class="LineNr">391 </span>    assert<span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
-<span id="L392" class="LineNr">392 </span>    <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">;</span>
-<span id="L393" class="LineNr">393 </span>  <span class="Delimiter">}</span>
-<span id="L394" class="LineNr">394 </span>  <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
-<span id="L395" class="LineNr">395 </span><span class="Delimiter">}</span>
-<span id="L396" class="LineNr">396 </span>
-<span id="L397" class="LineNr">397 </span><span class="Normal">int</span> <a href='032array.cc.html#L397'>array_length</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L398" class="LineNr">398 </span>  <span class="Comment">// x should already be canonized.</span>
-<span id="L399" class="LineNr">399 </span>  <span class="Comment">// hack: look for length in type</span>
-<span id="L400" class="LineNr">400 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right &amp;&amp; !x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>atom &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right &amp;&amp; !x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>atom &amp;&amp; !x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right  <span class="Comment">// exactly 3 types</span>
-<span id="L401" class="LineNr">401 </span>      &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom &amp;&amp; is_integer<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>  <span class="Comment">// third 'type' is a number</span>
-<span id="L402" class="LineNr">402 </span>    <span class="Comment">// get size from type</span>
-<span id="L403" class="LineNr">403 </span>    <span class="Identifier">return</span> to_integer<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
-<span id="L404" class="LineNr">404 </span>  <span class="Delimiter">}</span>
-<span id="L405" class="LineNr">405 </span>  <span class="Comment">// this should never happen at transform time</span>
-<span id="L406" class="LineNr">406 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> x<span class="Delimiter">.</span>value<span class="Delimiter">);</span>
-<span id="L407" class="LineNr">407 </span><span class="Delimiter">}</span>
-<span id="L408" class="LineNr">408 </span>
-<span id="L409" class="LineNr">409 </span><span class="Delimiter">:(before &quot;End Unit Tests&quot;)</span>
-<span id="L410" class="LineNr">410 </span><span class="Normal">void</span> <a href='032array.cc.html#L410'>test_array_length_compound</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L411" class="LineNr">411 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">);</span>
-<span id="L412" class="LineNr">412 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">14</span><span class="Delimiter">);</span>
-<span id="L413" class="LineNr">413 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">);</span>
-<span id="L414" class="LineNr">414 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">16</span><span class="Delimiter">);</span>
-<span id="L415" class="LineNr">415 </span>  reagent x<span class="Delimiter">(</span><span class="Constant">&quot;1:array:<a href='043space.cc.html#L80'>address</a>:num&quot;</span><span class="Delimiter">);</span>  <span class="Comment">// 3 types, but not a static array</span>
-<span id="L416" class="LineNr">416 </span>  <a href='012transform.cc.html#L91'>populate_value</a><span class="Delimiter">(</span>x<span class="Delimiter">);</span>
-<span id="L417" class="LineNr">417 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><a href='032array.cc.html#L397'>array_length</a><span class="Delimiter">(</span>x<span class="Delimiter">),</span> <span class="Constant">3</span><span class="Delimiter">);</span>
-<span id="L418" class="LineNr">418 </span><span class="Delimiter">}</span>
-<span id="L419" class="LineNr">419 </span>
-<span id="L420" class="LineNr">420 </span><span class="Normal">void</span> <a href='032array.cc.html#L420'>test_array_length_static</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L421" class="LineNr">421 </span>  reagent x<span class="Delimiter">(</span><span class="Constant">&quot;1:array:num:3&quot;</span><span class="Delimiter">);</span>
-<span id="L422" class="LineNr">422 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><a href='032array.cc.html#L397'>array_length</a><span class="Delimiter">(</span>x<span class="Delimiter">),</span> <span class="Constant">3</span><span class="Delimiter">);</span>
-<span id="L423" class="LineNr">423 </span><span class="Delimiter">}</span>
-<span id="L424" class="LineNr">424 </span>
-<span id="L425" class="LineNr">425 </span><span class="Delimiter">:(scenario index_truncates)</span>
-<span id="L426" class="LineNr">426 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L427" class="LineNr">427 </span>  <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
-<span id="L428" class="LineNr">428 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
-<span id="L429" class="LineNr">429 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
-<span id="L430" class="LineNr">430 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
-<span id="L431" class="LineNr">431 </span>  <span class="Constant">5</span>:num<span class="Special"> &lt;- </span>index <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">1.5</span>  <span class="Comment"># non-whole number</span>
-<span id="L432" class="LineNr">432 </span>]
-<span id="L433" class="LineNr">433 </span><span class="Comment"># fraction is truncated away</span>
-<span id="L434" class="LineNr">434 </span><span class="traceContains">+mem: storing 15 in location 5</span>
-<span id="L435" class="LineNr">435 </span>
-<span id="L436" class="LineNr">436 </span><span class="Delimiter">:(scenario index_out_of_bounds)</span>
-<span id="L437" class="LineNr">437 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L438" class="LineNr">438 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L439" class="LineNr">439 </span>  <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
-<span id="L440" class="LineNr">440 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
-<span id="L441" class="LineNr">441 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
-<span id="L442" class="LineNr">442 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
-<span id="L443" class="LineNr">443 </span>  <span class="Constant">5</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
-<span id="L444" class="LineNr">444 </span>  <span class="Constant">6</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
-<span id="L445" class="LineNr">445 </span>  <span class="Constant">7</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
-<span id="L446" class="LineNr">446 </span>  index <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">4</span>  <span class="Comment"># less than size of array in locations, but larger than its length in elements</span>
-<span id="L447" class="LineNr">447 </span>]
-<span id="L448" class="LineNr">448 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: invalid index 4 in 'index 1:array:num:3, 4'</span>
-<span id="L449" class="LineNr">449 </span>
-<span id="L450" class="LineNr">450 </span><span class="Delimiter">:(scenario index_out_of_bounds_2)</span>
-<span id="L451" class="LineNr">451 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L452" class="LineNr">452 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L453" class="LineNr">453 </span>  <span class="Constant">1</span>:array:point:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
-<span id="L454" class="LineNr">454 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
-<span id="L455" class="LineNr">455 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
-<span id="L456" class="LineNr">456 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
-<span id="L457" class="LineNr">457 </span>  <span class="Constant">5</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
-<span id="L458" class="LineNr">458 </span>  <span class="Constant">6</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
-<span id="L459" class="LineNr">459 </span>  <span class="Constant">7</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
-<span id="L460" class="LineNr">460 </span>  index <span class="Constant">1</span>:array:point<span class="Delimiter">,</span> -<span class="Constant">1</span>
-<span id="L461" class="LineNr">461 </span>]
-<span id="L462" class="LineNr">462 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: invalid index -1 in 'index 1:array:point, -1'</span>
-<span id="L463" class="LineNr">463 </span>
-<span id="L464" class="LineNr">464 </span><span class="Delimiter">:(scenario index_product_type_mismatch)</span>
-<span id="L465" class="LineNr">465 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L466" class="LineNr">466 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L467" class="LineNr">467 </span>  <span class="Constant">1</span>:array:point:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
-<span id="L468" class="LineNr">468 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
-<span id="L469" class="LineNr">469 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
-<span id="L470" class="LineNr">470 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
-<span id="L471" class="LineNr">471 </span>  <span class="Constant">5</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
-<span id="L472" class="LineNr">472 </span>  <span class="Constant">6</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
-<span id="L473" class="LineNr">473 </span>  <span class="Constant">7</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
-<span id="L474" class="LineNr">474 </span>  <span class="Constant">9</span>:num<span class="Special"> &lt;- </span>index <span class="Constant">1</span>:array:point<span class="Delimiter">,</span> <span class="Constant">0</span>
-<span id="L475" class="LineNr">475 </span>]
-<span id="L476" class="LineNr">476 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: 'index' on '1:array:point' can't be saved in '9:num'; type should be 'point'</span>
+<span id="L341" class="LineNr">341 </span>  reagent<span class="Comment">/*</span><span class="Comment">local</span><span class="Comment">*/</span> element<span class="Delimiter">(</span><a href='032array.cc.html#L375'>copy_array_element</a><span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
+<span id="L342" class="LineNr">342 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>product<span class="Delimiter">,</span> element<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L343" class="LineNr">343 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'index' on '&quot;</span> &lt;&lt; base<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;' can't be saved in '&quot;</span> &lt;&lt; product<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'; type should be '&quot;</span> &lt;&lt; names_to_string_without_quotes<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L344" class="LineNr">344 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L345" class="LineNr">345 </span>  <span class="Delimiter">}</span>
+<span id="L346" class="LineNr">346 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L347" class="LineNr">347 </span><span class="Delimiter">}</span>
+<span id="L348" class="LineNr">348 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
+<span id="L349" class="LineNr">349 </span><span class="Normal">case</span> INDEX: <span class="Delimiter">{</span>
+<span id="L350" class="LineNr">350 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> base = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L351" class="LineNr">351 </span>  <span class="Comment">// Update INDEX base in Run</span>
+<span id="L352" class="LineNr">352 </span>  <span class="Normal">int</span> base_address = base<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
+<span id="L353" class="LineNr">353 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;base <a href='043space.cc.html#L80'>address</a> is &quot;</span> &lt;&lt; base_address &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L354" class="LineNr">354 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>base_address == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L355" class="LineNr">355 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;tried to access location 0 in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L356" class="LineNr">356 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L357" class="LineNr">357 </span>  <span class="Delimiter">}</span>
+<span id="L358" class="LineNr">358 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> index = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L359" class="LineNr">359 </span>  <span class="Comment">// Update INDEX index in Run</span>
+<span id="L360" class="LineNr">360 </span>  vector&lt;<span class="Normal">double</span>&gt; index_val<span class="Delimiter">(</span>read_memory<span class="Delimiter">(</span>index<span class="Delimiter">));</span>
+<span id="L361" class="LineNr">361 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt; <span class="Constant">0</span> || index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &gt;= <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L362" class="LineNr">362 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;invalid index &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot; in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L363" class="LineNr">363 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L364" class="LineNr">364 </span>  <span class="Delimiter">}</span>
+<span id="L365" class="LineNr">365 </span>  reagent<span class="Comment">/*</span><span class="Comment">local</span><span class="Comment">*/</span> element<span class="Delimiter">(</span><a href='032array.cc.html#L375'>copy_array_element</a><span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
+<span id="L366" class="LineNr">366 </span>  element<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>base_address + <span class="Comment">/*</span><span class="Comment">skip length</span><span class="Comment">*/</span><span class="Constant">1</span> + index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span>*size_of<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
+<span id="L367" class="LineNr">367 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;address to copy is &quot;</span> &lt;&lt; element<span class="Delimiter">.</span>value &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L368" class="LineNr">368 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;its type is &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L369" class="LineNr">369 </span>  <span class="Comment">// Read element</span>
+<span id="L370" class="LineNr">370 </span>  products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>read_memory<span class="Delimiter">(</span>element<span class="Delimiter">));</span>
+<span id="L371" class="LineNr">371 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L372" class="LineNr">372 </span><span class="Delimiter">}</span>
+<span id="L373" class="LineNr">373 </span>
+<span id="L374" class="LineNr">374 </span><span class="Delimiter">:(code)</span>
+<span id="L375" class="LineNr">375 </span>type_tree* <a href='032array.cc.html#L375'>copy_array_element</a><span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L376" class="LineNr">376 </span>  <span class="Identifier">return</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*array_element<span class="Delimiter">(</span>type<span class="Delimiter">));</span>
+<span id="L377" class="LineNr">377 </span><span class="Delimiter">}</span>
+<span id="L378" class="LineNr">378 </span>
+<span id="L379" class="LineNr">379 </span>type_tree* <a href='032array.cc.html#L379'>array_element</a><span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L380" class="LineNr">380 </span>  assert<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
+<span id="L381" class="LineNr">381 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L382" class="LineNr">382 </span>    <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
+<span id="L383" class="LineNr">383 </span>  <span class="Delimiter">}</span>
+<span id="L384" class="LineNr">384 </span>  <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L385" class="LineNr">385 </span>    <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">;</span>
+<span id="L386" class="LineNr">386 </span>  <span class="Delimiter">}</span>
+<span id="L387" class="LineNr">387 </span>  <span class="Comment">// hack: support array:num:3 without requiring extra parens</span>
+<span id="L388" class="LineNr">388 </span>  <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left &amp;&amp; type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom &amp;&amp; is_integer<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L389" class="LineNr">389 </span>    assert<span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
+<span id="L390" class="LineNr">390 </span>    <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">;</span>
+<span id="L391" class="LineNr">391 </span>  <span class="Delimiter">}</span>
+<span id="L392" class="LineNr">392 </span>  <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
+<span id="L393" class="LineNr">393 </span><span class="Delimiter">}</span>
+<span id="L394" class="LineNr">394 </span>
+<span id="L395" class="LineNr">395 </span><span class="Normal">int</span> <a href='032array.cc.html#L395'>array_length</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L396" class="LineNr">396 </span>  <span class="Comment">// x should already be canonized.</span>
+<span id="L397" class="LineNr">397 </span>  <span class="Comment">// hack: look for length in type</span>
+<span id="L398" class="LineNr">398 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right &amp;&amp; !x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>atom &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right &amp;&amp; !x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>atom &amp;&amp; !x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right  <span class="Comment">// exactly 3 types</span>
+<span id="L399" class="LineNr">399 </span>      &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom &amp;&amp; is_integer<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>  <span class="Comment">// third 'type' is a number</span>
+<span id="L400" class="LineNr">400 </span>    <span class="Comment">// get size from type</span>
+<span id="L401" class="LineNr">401 </span>    <span class="Identifier">return</span> to_integer<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>right<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
+<span id="L402" class="LineNr">402 </span>  <span class="Delimiter">}</span>
+<span id="L403" class="LineNr">403 </span>  <span class="Comment">// this should never happen at transform time</span>
+<span id="L404" class="LineNr">404 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> x<span class="Delimiter">.</span>value<span class="Delimiter">);</span>
+<span id="L405" class="LineNr">405 </span><span class="Delimiter">}</span>
+<span id="L406" class="LineNr">406 </span>
+<span id="L407" class="LineNr">407 </span><span class="Delimiter">:(before &quot;End Unit Tests&quot;)</span>
+<span id="L408" class="LineNr">408 </span><span class="Normal">void</span> <a href='032array.cc.html#L408'>test_array_length_compound</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L409" class="LineNr">409 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">);</span>
+<span id="L410" class="LineNr">410 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">14</span><span class="Delimiter">);</span>
+<span id="L411" class="LineNr">411 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">);</span>
+<span id="L412" class="LineNr">412 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">16</span><span class="Delimiter">);</span>
+<span id="L413" class="LineNr">413 </span>  reagent x<span class="Delimiter">(</span><span class="Constant">&quot;1:array:<a href='043space.cc.html#L80'>address</a>:num&quot;</span><span class="Delimiter">);</span>  <span class="Comment">// 3 types, but not a static array</span>
+<span id="L414" class="LineNr">414 </span>  <a href='012transform.cc.html#L91'>populate_value</a><span class="Delimiter">(</span>x<span class="Delimiter">);</span>
+<span id="L415" class="LineNr">415 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><a href='032array.cc.html#L395'>array_length</a><span class="Delimiter">(</span>x<span class="Delimiter">),</span> <span class="Constant">3</span><span class="Delimiter">);</span>
+<span id="L416" class="LineNr">416 </span><span class="Delimiter">}</span>
+<span id="L417" class="LineNr">417 </span>
+<span id="L418" class="LineNr">418 </span><span class="Normal">void</span> <a href='032array.cc.html#L418'>test_array_length_static</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L419" class="LineNr">419 </span>  reagent x<span class="Delimiter">(</span><span class="Constant">&quot;1:array:num:3&quot;</span><span class="Delimiter">);</span>
+<span id="L420" class="LineNr">420 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><a href='032array.cc.html#L395'>array_length</a><span class="Delimiter">(</span>x<span class="Delimiter">),</span> <span class="Constant">3</span><span class="Delimiter">);</span>
+<span id="L421" class="LineNr">421 </span><span class="Delimiter">}</span>
+<span id="L422" class="LineNr">422 </span>
+<span id="L423" class="LineNr">423 </span><span class="Delimiter">:(scenario index_truncates)</span>
+<span id="L424" class="LineNr">424 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L425" class="LineNr">425 </span>  <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
+<span id="L426" class="LineNr">426 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L427" class="LineNr">427 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L428" class="LineNr">428 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L429" class="LineNr">429 </span>  <span class="Constant">5</span>:num<span class="Special"> &lt;- </span>index <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">1.5</span>  <span class="Comment"># non-whole number</span>
+<span id="L430" class="LineNr">430 </span>]
+<span id="L431" class="LineNr">431 </span><span class="Comment"># fraction is truncated away</span>
+<span id="L432" class="LineNr">432 </span><span class="traceContains">+mem: storing 15 in location 5</span>
+<span id="L433" class="LineNr">433 </span>
+<span id="L434" class="LineNr">434 </span><span class="Delimiter">:(scenario index_out_of_bounds)</span>
+<span id="L435" class="LineNr">435 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L436" class="LineNr">436 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L437" class="LineNr">437 </span>  <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
+<span id="L438" class="LineNr">438 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L439" class="LineNr">439 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L440" class="LineNr">440 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L441" class="LineNr">441 </span>  <span class="Constant">5</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L442" class="LineNr">442 </span>  <span class="Constant">6</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L443" class="LineNr">443 </span>  <span class="Constant">7</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L444" class="LineNr">444 </span>  index <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">4</span>  <span class="Comment"># less than size of array in locations, but larger than its length in elements</span>
+<span id="L445" class="LineNr">445 </span>]
+<span id="L446" class="LineNr">446 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: invalid index 4 in 'index 1:array:num:3, 4'</span>
+<span id="L447" class="LineNr">447 </span>
+<span id="L448" class="LineNr">448 </span><span class="Delimiter">:(scenario index_out_of_bounds_2)</span>
+<span id="L449" class="LineNr">449 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L450" class="LineNr">450 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L451" class="LineNr">451 </span>  <span class="Constant">1</span>:array:point:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
+<span id="L452" class="LineNr">452 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L453" class="LineNr">453 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L454" class="LineNr">454 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L455" class="LineNr">455 </span>  <span class="Constant">5</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L456" class="LineNr">456 </span>  <span class="Constant">6</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L457" class="LineNr">457 </span>  <span class="Constant">7</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L458" class="LineNr">458 </span>  index <span class="Constant">1</span>:array:point<span class="Delimiter">,</span> -<span class="Constant">1</span>
+<span id="L459" class="LineNr">459 </span>]
+<span id="L460" class="LineNr">460 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: invalid index -1 in 'index 1:array:point, -1'</span>
+<span id="L461" class="LineNr">461 </span>
+<span id="L462" class="LineNr">462 </span><span class="Delimiter">:(scenario index_product_type_mismatch)</span>
+<span id="L463" class="LineNr">463 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L464" class="LineNr">464 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L465" class="LineNr">465 </span>  <span class="Constant">1</span>:array:point:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
+<span id="L466" class="LineNr">466 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L467" class="LineNr">467 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L468" class="LineNr">468 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L469" class="LineNr">469 </span>  <span class="Constant">5</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L470" class="LineNr">470 </span>  <span class="Constant">6</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L471" class="LineNr">471 </span>  <span class="Constant">7</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L472" class="LineNr">472 </span>  <span class="Constant">9</span>:num<span class="Special"> &lt;- </span>index <span class="Constant">1</span>:array:point<span class="Delimiter">,</span> <span class="Constant">0</span>
+<span id="L473" class="LineNr">473 </span>]
+<span id="L474" class="LineNr">474 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: 'index' on '1:array:point' can't be saved in '9:num'; type should be 'point'</span>
+<span id="L475" class="LineNr">475 </span>
+<span id="L476" class="LineNr">476 </span><span class="Comment">//: we might want to call 'index' without saving the results, say in a sandbox</span>
 <span id="L477" class="LineNr">477 </span>
-<span id="L478" class="LineNr">478 </span><span class="Comment">//: we might want to call 'index' without saving the results, say in a sandbox</span>
-<span id="L479" class="LineNr">479 </span>
-<span id="L480" class="LineNr">480 </span><span class="Delimiter">:(scenario index_without_product)</span>
-<span id="L481" class="LineNr">481 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L482" class="LineNr">482 </span>  <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
-<span id="L483" class="LineNr">483 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
-<span id="L484" class="LineNr">484 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
-<span id="L485" class="LineNr">485 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
-<span id="L486" class="LineNr">486 </span>  index <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">0</span>
-<span id="L487" class="LineNr">487 </span>]
-<span id="L488" class="LineNr">488 </span><span class="Comment"># just don't die</span>
+<span id="L478" class="LineNr">478 </span><span class="Delimiter">:(scenario index_without_product)</span>
+<span id="L479" class="LineNr">479 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L480" class="LineNr">480 </span>  <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
+<span id="L481" class="LineNr">481 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L482" class="LineNr">482 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L483" class="LineNr">483 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L484" class="LineNr">484 </span>  index <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">0</span>
+<span id="L485" class="LineNr">485 </span>]
+<span id="L486" class="LineNr">486 </span><span class="Comment"># just don't die</span>
+<span id="L487" class="LineNr">487 </span>
+<span id="L488" class="LineNr">488 </span><span class="SalientComment">//:: To write to elements of arrays, use 'put'.</span>
 <span id="L489" class="LineNr">489 </span>
-<span id="L490" class="LineNr">490 </span><span class="SalientComment">//:: To write to elements of arrays, use 'put'.</span>
-<span id="L491" class="LineNr">491 </span>
-<span id="L492" class="LineNr">492 </span><span class="Delimiter">:(scenario put_index)</span>
-<span id="L493" class="LineNr">493 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L494" class="LineNr">494 </span>  <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
-<span id="L495" class="LineNr">495 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
-<span id="L496" class="LineNr">496 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
-<span id="L497" class="LineNr">497 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
-<span id="L498" class="LineNr">498 </span>  <span class="Constant">1</span>:array:num<span class="Special"> &lt;- </span>put-index <span class="Constant">1</span>:array:num<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">34</span>
-<span id="L499" class="LineNr">499 </span>]
-<span id="L500" class="LineNr">500 </span><span class="traceContains">+mem: storing 34 in location 3</span>
-<span id="L501" class="LineNr">501 </span>
-<span id="L502" class="LineNr">502 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
-<span id="L503" class="LineNr">503 </span>PUT_INDEX<span class="Delimiter">,</span>
-<span id="L504" class="LineNr">504 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L505" class="LineNr">505 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;put-index&quot;</span><span class="Delimiter">,</span> PUT_INDEX<span class="Delimiter">);</span>
-<span id="L506" class="LineNr">506 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
-<span id="L507" class="LineNr">507 </span><span class="Normal">case</span> PUT_INDEX: <span class="Delimiter">{</span>
-<span id="L508" class="LineNr">508 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">3</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L509" class="LineNr">509 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'put-index' expects exactly 3 ingredients in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L510" class="LineNr">510 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L511" class="LineNr">511 </span>  <span class="Delimiter">}</span>
-<span id="L512" class="LineNr">512 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> base = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L513" class="LineNr">513 </span>  <span class="Comment">// Update PUT_INDEX base in Check</span>
-<span id="L514" class="LineNr">514 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_array<span class="Delimiter">(</span>base<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L515" class="LineNr">515 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'put-index' on a non-array '&quot;</span> &lt;&lt; base<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L516" class="LineNr">516 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L517" class="LineNr">517 </span>  <span class="Delimiter">}</span>
-<span id="L518" class="LineNr">518 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> index = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L519" class="LineNr">519 </span>  <span class="Comment">// Update PUT_INDEX index in Check</span>
-<span id="L520" class="LineNr">520 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>index<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L521" class="LineNr">521 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;second ingredient of 'put-index' should have type 'number', but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L522" class="LineNr">522 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L523" class="LineNr">523 </span>  <span class="Delimiter">}</span>
-<span id="L524" class="LineNr">524 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> value = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span>
-<span id="L525" class="LineNr">525 </span>  <span class="Comment">// Update PUT_INDEX value in Check</span>
-<span id="L526" class="LineNr">526 </span>  reagent<span class="Comment">/*</span><span class="Comment">local</span><span class="Comment">*/</span> element<span class="Delimiter">;</span>
-<span id="L527" class="LineNr">527 </span>  element<span class="Delimiter">.</span>type = <a href='032array.cc.html#L377'>copy_array_element</a><span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span id="L528" class="LineNr">528 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>element<span class="Delimiter">,</span> value<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L529" class="LineNr">529 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'put-index &quot;</span> &lt;&lt; base<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;' should store &quot;</span> &lt;&lt; names_to_string_without_quotes<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; but '&quot;</span> &lt;&lt; value<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' has type &quot;</span> &lt;&lt; names_to_string_without_quotes<span class="Delimiter">(</span>value<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L530" class="LineNr">530 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L531" class="LineNr">531 </span>  <span class="Delimiter">}</span>
-<span id="L532" class="LineNr">532 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// no more checks necessary</span>
-<span id="L533" class="LineNr">533 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name != inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L534" class="LineNr">534 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;product of 'put-index' must be first ingredient '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;', but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L535" class="LineNr">535 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L536" class="LineNr">536 </span>  <span class="Delimiter">}</span>
-<span id="L537" class="LineNr">537 </span>  <span class="Comment">// End PUT_INDEX Product Checks</span>
-<span id="L538" class="LineNr">538 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L539" class="LineNr">539 </span><span class="Delimiter">}</span>
-<span id="L540" class="LineNr">540 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span id="L541" class="LineNr">541 </span><span class="Normal">case</span> PUT_INDEX: <span class="Delimiter">{</span>
-<span id="L542" class="LineNr">542 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> base = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L543" class="LineNr">543 </span>  <span class="Comment">// Update PUT_INDEX base in Run</span>
-<span id="L544" class="LineNr">544 </span>  <span class="Normal">int</span> base_address = base<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
-<span id="L545" class="LineNr">545 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>base_address == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L546" class="LineNr">546 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;tried to access location 0 in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L547" class="LineNr">547 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L548" class="LineNr">548 </span>  <span class="Delimiter">}</span>
-<span id="L549" class="LineNr">549 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> index = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
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-<span id="L552" class="LineNr">552 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt; <span class="Constant">0</span> || index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &gt;= <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L553" class="LineNr">553 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;invalid index &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot; in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L554" class="LineNr">554 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L555" class="LineNr">555 </span>  <span class="Delimiter">}</span>
-<span id="L556" class="LineNr">556 </span>  <span class="Normal">int</span> <a href='043space.cc.html#L80'>address</a> = base_address + <span class="Comment">/*</span><span class="Comment">skip length</span><span class="Comment">*/</span><span class="Constant">1</span> + index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span>*size_of<span class="Delimiter">(</span><a href='032array.cc.html#L381'>array_element</a><span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
-<span id="L557" class="LineNr">557 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;address to copy to is &quot;</span> &lt;&lt; <a href='043space.cc.html#L80'>address</a> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L558" class="LineNr">558 </span>  <span class="Comment">// optimization: directly write the element rather than updating 'product'</span>
-<span id="L559" class="LineNr">559 </span>  <span class="Comment">// and writing the entire array</span>
-<span id="L560" class="LineNr">560 </span>  write_products = <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L561" class="LineNr">561 </span>  vector&lt;<span class="Normal">double</span>&gt; value = read_memory<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">));</span>
-<span id="L562" class="LineNr">562 </span>  <span class="Comment">// Write Memory in PUT_INDEX in Run</span>
-<span id="L563" class="LineNr">563 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>value<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L564" class="LineNr">564 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>value<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; address+i &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L565" class="LineNr">565 </span>    <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> address+i<span class="Delimiter">,</span> value<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
-<span id="L566" class="LineNr">566 </span>  <span class="Delimiter">}</span>
-<span id="L567" class="LineNr">567 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L568" class="LineNr">568 </span><span class="Delimiter">}</span>
-<span id="L569" class="LineNr">569 </span>
-<span id="L570" class="LineNr">570 </span><span class="Delimiter">:(scenario put_index_out_of_bounds)</span>
-<span id="L571" class="LineNr">571 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L572" class="LineNr">572 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L573" class="LineNr">573 </span>  <span class="Constant">1</span>:array:point:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
-<span id="L574" class="LineNr">574 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
-<span id="L575" class="LineNr">575 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
-<span id="L576" class="LineNr">576 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
-<span id="L577" class="LineNr">577 </span>  <span class="Constant">5</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
-<span id="L578" class="LineNr">578 </span>  <span class="Constant">6</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
-<span id="L579" class="LineNr">579 </span>  <span class="Constant">7</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
-<span id="L580" class="LineNr">580 </span>  <span class="Constant">8</span>:point<span class="Special"> &lt;- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span>
-<span id="L581" class="LineNr">581 </span>  <span class="Constant">1</span>:array:point<span class="Special"> &lt;- </span>put-index <span class="Constant">1</span>:array:point<span class="Delimiter">,</span> <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">8</span>:point  <span class="Comment"># '4' is less than size of array in locations, but larger than its length in elements</span>
-<span id="L582" class="LineNr">582 </span>]
-<span id="L583" class="LineNr">583 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: invalid index 4 in '1:array:point &lt;- put-index 1:array:point, 4, 8:point'</span>
-<span id="L584" class="LineNr">584 </span>
-<span id="L585" class="LineNr">585 </span><span class="Delimiter">:(scenario put_index_out_of_bounds_2)</span>
-<span id="L586" class="LineNr">586 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L587" class="LineNr">587 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L588" class="LineNr">588 </span>  <span class="Constant">1</span>:array:point:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
-<span id="L589" class="LineNr">589 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
-<span id="L590" class="LineNr">590 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
-<span id="L591" class="LineNr">591 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
-<span id="L592" class="LineNr">592 </span>  <span class="Constant">5</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
-<span id="L593" class="LineNr">593 </span>  <span class="Constant">6</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
-<span id="L594" class="LineNr">594 </span>  <span class="Constant">7</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
-<span id="L595" class="LineNr">595 </span>  <span class="Constant">8</span>:point<span class="Special"> &lt;- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span>
-<span id="L596" class="LineNr">596 </span>  <span class="Constant">1</span>:array:point<span class="Special"> &lt;- </span>put-index <span class="Constant">1</span>:array:point<span class="Delimiter">,</span> -<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">8</span>:point
-<span id="L597" class="LineNr">597 </span>]
-<span id="L598" class="LineNr">598 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: invalid index -1 in '1:array:point &lt;- put-index 1:array:point, -1, 8:point'</span>
-<span id="L599" class="LineNr">599 </span>
-<span id="L600" class="LineNr">600 </span><span class="Delimiter">:(scenario put_index_product_error)</span>
-<span id="L601" class="LineNr">601 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L602" class="LineNr">602 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L603" class="LineNr">603 </span>  local-scope
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-<span id="L605" class="LineNr">605 </span>  <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
-<span id="L606" class="LineNr">606 </span>  <span class="Constant">4</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>put-index <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">34</span>
-<span id="L607" class="LineNr">607 </span>]
-<span id="L608" class="LineNr">608 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product of 'put-index' must be first ingredient '1:array:num:3', but got '4:array:num:3'</span>
-<span id="L609" class="LineNr">609 </span>
-<span id="L610" class="LineNr">610 </span><span class="SalientComment">//:: compute the length of an array</span>
-<span id="L611" class="LineNr">611 </span>
-<span id="L612" class="LineNr">612 </span><span class="Delimiter">:(scenario array_length)</span>
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-<span id="L614" class="LineNr">614 </span>  <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
-<span id="L615" class="LineNr">615 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
-<span id="L616" class="LineNr">616 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
-<span id="L617" class="LineNr">617 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
-<span id="L618" class="LineNr">618 </span>  <span class="Constant">5</span>:num<span class="Special"> &lt;- </span>length <span class="Constant">1</span>:array:num:<span class="Constant">3</span>
-<span id="L619" class="LineNr">619 </span>]
-<span id="L620" class="LineNr">620 </span><span class="traceContains">+mem: storing 3 in location 5</span>
-<span id="L621" class="LineNr">621 </span>
-<span id="L622" class="LineNr">622 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
-<span id="L623" class="LineNr">623 </span>LENGTH<span class="Delimiter">,</span>
-<span id="L624" class="LineNr">624 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L625" class="LineNr">625 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;length&quot;</span><span class="Delimiter">,</span> LENGTH<span class="Delimiter">);</span>
-<span id="L626" class="LineNr">626 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
-<span id="L627" class="LineNr">627 </span><span class="Normal">case</span> LENGTH: <span class="Delimiter">{</span>
-<span id="L628" class="LineNr">628 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L629" class="LineNr">629 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'length' expects exactly 2 ingredients in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L630" class="LineNr">630 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L631" class="LineNr">631 </span>  <span class="Delimiter">}</span>
-<span id="L632" class="LineNr">632 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> array = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L633" class="LineNr">633 </span>  <span class="Comment">// Update LENGTH array in Check</span>
-<span id="L634" class="LineNr">634 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_array<span class="Delimiter">(</span>array<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L635" class="LineNr">635 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;tried to calculate length of non-array '&quot;</span> &lt;&lt; array<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L636" class="LineNr">636 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L637" class="LineNr">637 </span>  <span class="Delimiter">}</span>
-<span id="L638" class="LineNr">638 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L639" class="LineNr">639 </span><span class="Delimiter">}</span>
-<span id="L640" class="LineNr">640 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span id="L641" class="LineNr">641 </span><span class="Normal">case</span> LENGTH: <span class="Delimiter">{</span>
-<span id="L642" class="LineNr">642 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> array = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L643" class="LineNr">643 </span>  <span class="Comment">// Update LENGTH array in Run</span>
-<span id="L644" class="LineNr">644 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>array<span class="Delimiter">.</span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L645" class="LineNr">645 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;tried to access location 0 in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L646" class="LineNr">646 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L647" class="LineNr">647 </span>  <span class="Delimiter">}</span>
-<span id="L648" class="LineNr">648 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L649" class="LineNr">649 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> array<span class="Delimiter">.</span>value<span class="Delimiter">));</span>
-<span id="L650" class="LineNr">650 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L651" class="LineNr">651 </span><span class="Delimiter">}</span>
-<span id="L652" class="LineNr">652 </span>
-<span id="L653" class="LineNr">653 </span><span class="Comment">//: optimization: none of the instructions in this layer use 'ingredients' so</span>
-<span id="L654" class="LineNr">654 </span><span class="Comment">//: stop copying potentially huge arrays into it.</span>
-<span id="L655" class="LineNr">655 </span><span class="Delimiter">:(before &quot;End should_copy_ingredients Special-cases&quot;)</span>
-<span id="L656" class="LineNr">656 </span><a href='010vm.cc.html#L14'>recipe_ordinal</a> r = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>operation<span class="Delimiter">;</span>
-<span id="L657" class="LineNr">657 </span><span class="Normal">if</span> <span class="Delimiter">(</span>r == CREATE_ARRAY || r == INDEX || r == PUT_INDEX || r == LENGTH<span class="Delimiter">)</span>
-<span id="L658" class="LineNr">658 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L490" class="LineNr">490 </span><span class="Delimiter">:(scenario put_index)</span>
+<span id="L491" class="LineNr">491 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L492" class="LineNr">492 </span>  <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
+<span id="L493" class="LineNr">493 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L494" class="LineNr">494 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L495" class="LineNr">495 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L496" class="LineNr">496 </span>  <span class="Constant">1</span>:array:num<span class="Special"> &lt;- </span>put-index <span class="Constant">1</span>:array:num<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L497" class="LineNr">497 </span>]
+<span id="L498" class="LineNr">498 </span><span class="traceContains">+mem: storing 34 in location 3</span>
+<span id="L499" class="LineNr">499 </span>
+<span id="L500" class="LineNr">500 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
+<span id="L501" class="LineNr">501 </span>PUT_INDEX<span class="Delimiter">,</span>
+<span id="L502" class="LineNr">502 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
+<span id="L503" class="LineNr">503 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;put-index&quot;</span><span class="Delimiter">,</span> PUT_INDEX<span class="Delimiter">);</span>
+<span id="L504" class="LineNr">504 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
+<span id="L505" class="LineNr">505 </span><span class="Normal">case</span> PUT_INDEX: <span class="Delimiter">{</span>
+<span id="L506" class="LineNr">506 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">3</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L507" class="LineNr">507 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'put-index' expects exactly 3 ingredients in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L508" class="LineNr">508 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L509" class="LineNr">509 </span>  <span class="Delimiter">}</span>
+<span id="L510" class="LineNr">510 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> base = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L511" class="LineNr">511 </span>  <span class="Comment">// Update PUT_INDEX base in Check</span>
+<span id="L512" class="LineNr">512 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_array<span class="Delimiter">(</span>base<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L513" class="LineNr">513 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'put-index' on a non-array '&quot;</span> &lt;&lt; base<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L514" class="LineNr">514 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L515" class="LineNr">515 </span>  <span class="Delimiter">}</span>
+<span id="L516" class="LineNr">516 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> index = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L517" class="LineNr">517 </span>  <span class="Comment">// Update PUT_INDEX index in Check</span>
+<span id="L518" class="LineNr">518 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>index<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L519" class="LineNr">519 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;second ingredient of 'put-index' should have type 'number', but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L520" class="LineNr">520 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L521" class="LineNr">521 </span>  <span class="Delimiter">}</span>
+<span id="L522" class="LineNr">522 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> value = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span>
+<span id="L523" class="LineNr">523 </span>  <span class="Comment">// Update PUT_INDEX value in Check</span>
+<span id="L524" class="LineNr">524 </span>  reagent<span class="Comment">/*</span><span class="Comment">local</span><span class="Comment">*/</span> element<span class="Delimiter">(</span><a href='032array.cc.html#L375'>copy_array_element</a><span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
+<span id="L525" class="LineNr">525 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>element<span class="Delimiter">,</span> value<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L526" class="LineNr">526 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'put-index &quot;</span> &lt;&lt; base<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;' should store &quot;</span> &lt;&lt; names_to_string_without_quotes<span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; but '&quot;</span> &lt;&lt; value<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' has type &quot;</span> &lt;&lt; names_to_string_without_quotes<span class="Delimiter">(</span>value<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L527" class="LineNr">527 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L528" class="LineNr">528 </span>  <span class="Delimiter">}</span>
+<span id="L529" class="LineNr">529 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// no more checks necessary</span>
+<span id="L530" class="LineNr">530 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name != inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L531" class="LineNr">531 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;product of 'put-index' must be first ingredient '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;', but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L532" class="LineNr">532 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L533" class="LineNr">533 </span>  <span class="Delimiter">}</span>
+<span id="L534" class="LineNr">534 </span>  <span class="Comment">// End PUT_INDEX Product Checks</span>
+<span id="L535" class="LineNr">535 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L536" class="LineNr">536 </span><span class="Delimiter">}</span>
+<span id="L537" class="LineNr">537 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
+<span id="L538" class="LineNr">538 </span><span class="Normal">case</span> PUT_INDEX: <span class="Delimiter">{</span>
+<span id="L539" class="LineNr">539 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> base = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L540" class="LineNr">540 </span>  <span class="Comment">// Update PUT_INDEX base in Run</span>
+<span id="L541" class="LineNr">541 </span>  <span class="Normal">int</span> base_address = base<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
+<span id="L542" class="LineNr">542 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>base_address == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L543" class="LineNr">543 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;tried to access location 0 in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L544" class="LineNr">544 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L545" class="LineNr">545 </span>  <span class="Delimiter">}</span>
+<span id="L546" class="LineNr">546 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> index = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L547" class="LineNr">547 </span>  <span class="Comment">// Update PUT_INDEX index in Run</span>
+<span id="L548" class="LineNr">548 </span>  vector&lt;<span class="Normal">double</span>&gt; index_val<span class="Delimiter">(</span>read_memory<span class="Delimiter">(</span>index<span class="Delimiter">));</span>
+<span id="L549" class="LineNr">549 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt; <span class="Constant">0</span> || index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &gt;= <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> base_address<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L550" class="LineNr">550 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;invalid index &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot; in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L551" class="LineNr">551 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L552" class="LineNr">552 </span>  <span class="Delimiter">}</span>
+<span id="L553" class="LineNr">553 </span>  <span class="Normal">int</span> <a href='043space.cc.html#L80'>address</a> = base_address + <span class="Comment">/*</span><span class="Comment">skip length</span><span class="Comment">*/</span><span class="Constant">1</span> + index_val<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span>*size_of<span class="Delimiter">(</span><a href='032array.cc.html#L379'>array_element</a><span class="Delimiter">(</span>base<span class="Delimiter">.</span>type<span class="Delimiter">));</span>
+<span id="L554" class="LineNr">554 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;address to copy to is &quot;</span> &lt;&lt; <a href='043space.cc.html#L80'>address</a> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L555" class="LineNr">555 </span>  <span class="Comment">// optimization: directly write the element rather than updating 'product'</span>
+<span id="L556" class="LineNr">556 </span>  <span class="Comment">// and writing the entire array</span>
+<span id="L557" class="LineNr">557 </span>  write_products = <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L558" class="LineNr">558 </span>  vector&lt;<span class="Normal">double</span>&gt; value = read_memory<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">));</span>
+<span id="L559" class="LineNr">559 </span>  <span class="Comment">// Write Memory in PUT_INDEX in Run</span>
+<span id="L560" class="LineNr">560 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>value<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L561" class="LineNr">561 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>value<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; address+i &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L562" class="LineNr">562 </span>    <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> address+i<span class="Delimiter">,</span> value<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
+<span id="L563" class="LineNr">563 </span>  <span class="Delimiter">}</span>
+<span id="L564" class="LineNr">564 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L565" class="LineNr">565 </span><span class="Delimiter">}</span>
+<span id="L566" class="LineNr">566 </span>
+<span id="L567" class="LineNr">567 </span><span class="Delimiter">:(scenario put_index_out_of_bounds)</span>
+<span id="L568" class="LineNr">568 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L569" class="LineNr">569 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L570" class="LineNr">570 </span>  <span class="Constant">1</span>:array:point:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
+<span id="L571" class="LineNr">571 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L572" class="LineNr">572 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L573" class="LineNr">573 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L574" class="LineNr">574 </span>  <span class="Constant">5</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L575" class="LineNr">575 </span>  <span class="Constant">6</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L576" class="LineNr">576 </span>  <span class="Constant">7</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L577" class="LineNr">577 </span>  <span class="Constant">8</span>:point<span class="Special"> &lt;- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span>
+<span id="L578" class="LineNr">578 </span>  <span class="Constant">1</span>:array:point<span class="Special"> &lt;- </span>put-index <span class="Constant">1</span>:array:point<span class="Delimiter">,</span> <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">8</span>:point  <span class="Comment"># '4' is less than size of array in locations, but larger than its length in elements</span>
+<span id="L579" class="LineNr">579 </span>]
+<span id="L580" class="LineNr">580 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: invalid index 4 in '1:array:point &lt;- put-index 1:array:point, 4, 8:point'</span>
+<span id="L581" class="LineNr">581 </span>
+<span id="L582" class="LineNr">582 </span><span class="Delimiter">:(scenario put_index_out_of_bounds_2)</span>
+<span id="L583" class="LineNr">583 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L584" class="LineNr">584 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L585" class="LineNr">585 </span>  <span class="Constant">1</span>:array:point:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
+<span id="L586" class="LineNr">586 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L587" class="LineNr">587 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L588" class="LineNr">588 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L589" class="LineNr">589 </span>  <span class="Constant">5</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L590" class="LineNr">590 </span>  <span class="Constant">6</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L591" class="LineNr">591 </span>  <span class="Constant">7</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L592" class="LineNr">592 </span>  <span class="Constant">8</span>:point<span class="Special"> &lt;- </span>merge <span class="Constant">34</span><span class="Delimiter">,</span> <span class="Constant">35</span>
+<span id="L593" class="LineNr">593 </span>  <span class="Constant">1</span>:array:point<span class="Special"> &lt;- </span>put-index <span class="Constant">1</span>:array:point<span class="Delimiter">,</span> -<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">8</span>:point
+<span id="L594" class="LineNr">594 </span>]
+<span id="L595" class="LineNr">595 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: invalid index -1 in '1:array:point &lt;- put-index 1:array:point, -1, 8:point'</span>
+<span id="L596" class="LineNr">596 </span>
+<span id="L597" class="LineNr">597 </span><span class="Delimiter">:(scenario put_index_product_error)</span>
+<span id="L598" class="LineNr">598 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L599" class="LineNr">599 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L600" class="LineNr">600 </span>  local-scope
+<span id="L601" class="LineNr">601 </span>  load-ingredients
+<span id="L602" class="LineNr">602 </span>  <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
+<span id="L603" class="LineNr">603 </span>  <span class="Constant">4</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>put-index <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L604" class="LineNr">604 </span>]
+<span id="L605" class="LineNr">605 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product of 'put-index' must be first ingredient '1:array:num:3', but got '4:array:num:3'</span>
+<span id="L606" class="LineNr">606 </span>
+<span id="L607" class="LineNr">607 </span><span class="SalientComment">//:: compute the length of an array</span>
+<span id="L608" class="LineNr">608 </span>
+<span id="L609" class="LineNr">609 </span><span class="Delimiter">:(scenario array_length)</span>
+<span id="L610" class="LineNr">610 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L611" class="LineNr">611 </span>  <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
+<span id="L612" class="LineNr">612 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L613" class="LineNr">613 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L614" class="LineNr">614 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L615" class="LineNr">615 </span>  <span class="Constant">5</span>:num<span class="Special"> &lt;- </span>length <span class="Constant">1</span>:array:num:<span class="Constant">3</span>
+<span id="L616" class="LineNr">616 </span>]
+<span id="L617" class="LineNr">617 </span><span class="traceContains">+mem: storing 3 in location 5</span>
+<span id="L618" class="LineNr">618 </span>
+<span id="L619" class="LineNr">619 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
+<span id="L620" class="LineNr">620 </span>LENGTH<span class="Delimiter">,</span>
+<span id="L621" class="LineNr">621 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
+<span id="L622" class="LineNr">622 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;length&quot;</span><span class="Delimiter">,</span> LENGTH<span class="Delimiter">);</span>
+<span id="L623" class="LineNr">623 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
+<span id="L624" class="LineNr">624 </span><span class="Normal">case</span> LENGTH: <span class="Delimiter">{</span>
+<span id="L625" class="LineNr">625 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L626" class="LineNr">626 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'length' expects exactly 2 ingredients in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L627" class="LineNr">627 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L628" class="LineNr">628 </span>  <span class="Delimiter">}</span>
+<span id="L629" class="LineNr">629 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> array = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L630" class="LineNr">630 </span>  <span class="Comment">// Update LENGTH array in Check</span>
+<span id="L631" class="LineNr">631 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_array<span class="Delimiter">(</span>array<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L632" class="LineNr">632 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;tried to calculate length of non-array '&quot;</span> &lt;&lt; array<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L633" class="LineNr">633 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L634" class="LineNr">634 </span>  <span class="Delimiter">}</span>
+<span id="L635" class="LineNr">635 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L636" class="LineNr">636 </span><span class="Delimiter">}</span>
+<span id="L637" class="LineNr">637 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
+<span id="L638" class="LineNr">638 </span><span class="Normal">case</span> LENGTH: <span class="Delimiter">{</span>
+<span id="L639" class="LineNr">639 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> array = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L640" class="LineNr">640 </span>  <span class="Comment">// Update LENGTH array in Run</span>
+<span id="L641" class="LineNr">641 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>array<span class="Delimiter">.</span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L642" class="LineNr">642 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;tried to access location 0 in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L643" class="LineNr">643 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L644" class="LineNr">644 </span>  <span class="Delimiter">}</span>
+<span id="L645" class="LineNr">645 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L646" class="LineNr">646 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> array<span class="Delimiter">.</span>value<span class="Delimiter">));</span>
+<span id="L647" class="LineNr">647 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L648" class="LineNr">648 </span><span class="Delimiter">}</span>
+<span id="L649" class="LineNr">649 </span>
+<span id="L650" class="LineNr">650 </span><span class="Comment">//: optimization: none of the instructions in this layer use 'ingredients' so</span>
+<span id="L651" class="LineNr">651 </span><span class="Comment">//: stop copying potentially huge arrays into it.</span>
+<span id="L652" class="LineNr">652 </span><span class="Delimiter">:(before &quot;End should_copy_ingredients Special-cases&quot;)</span>
+<span id="L653" class="LineNr">653 </span><a href='010vm.cc.html#L14'>recipe_ordinal</a> r = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>operation<span class="Delimiter">;</span>
+<span id="L654" class="LineNr">654 </span><span class="Normal">if</span> <span class="Delimiter">(</span>r == CREATE_ARRAY || r == INDEX || r == PUT_INDEX || r == LENGTH<span class="Delimiter">)</span>
+<span id="L655" class="LineNr">655 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 </pre>
 </body>
 </html>
diff --git a/html/033exclusive_container.cc.html b/html/033exclusive_container.cc.html
index 48a7ab37..f9e8abe5 100644
--- a/html/033exclusive_container.cc.html
+++ b/html/033exclusive_container.cc.html
@@ -71,9 +71,9 @@ if ('onhashchange' in window) {
 <span id="L7" class="LineNr">  7 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
 <span id="L8" class="LineNr">  8 </span><span class="Comment">//: We'll use this container as a running example, with two number elements.</span>
 <span id="L9" class="LineNr">  9 </span><span class="Delimiter">{</span>
-<span id="L10" class="LineNr"> 10 </span><a href='010vm.cc.html#L123'>type_ordinal</a> tmp = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;number-or-point&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L10" class="LineNr"> 10 </span><a href='010vm.cc.html#L124'>type_ordinal</a> tmp = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;number-or-point&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
 <span id="L11" class="LineNr"> 11 </span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">);</span>  <span class="Comment">// initialize</span>
-<span id="L12" class="LineNr"> 12 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">).</span>kind = <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">;</span>
+<span id="L12" class="LineNr"> 12 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">).</span>kind = <a href='010vm.cc.html#L175'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">;</span>
 <span id="L13" class="LineNr"> 13 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">).</span>name = <span class="Constant">&quot;number-or-point&quot;</span><span class="Delimiter">;</span>
 <span id="L14" class="LineNr"> 14 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">).</span>elements<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">&quot;i:number&quot;</span><span class="Delimiter">));</span>
 <span id="L15" class="LineNr"> 15 </span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> tmp<span class="Delimiter">).</span>elements<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">&quot;p:point&quot;</span><span class="Delimiter">));</span>
@@ -95,12 +95,12 @@ if ('onhashchange' in window) {
 <span id="L31" class="LineNr"> 31 </span><span class="traceContains">+mem: storing 35 in location 6</span>
 <span id="L32" class="LineNr"> 32 </span>
 <span id="L33" class="LineNr"> 33 </span><span class="Delimiter">:(before &quot;End size_of(type) Special-cases&quot;)</span>
-<span id="L34" class="LineNr"> 34 </span><span class="Normal">if</span> <span class="Delimiter">(</span>t<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L34" class="LineNr"> 34 </span><span class="Normal">if</span> <span class="Delimiter">(</span>t<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L175'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L35" class="LineNr"> 35 </span>  <span class="Comment">// Compute size_of Exclusive Container</span>
 <span id="L36" class="LineNr"> 36 </span>  <span class="Identifier">return</span> get<span class="Delimiter">(</span>Container_metadata<span class="Delimiter">,</span> type<span class="Delimiter">).</span>size<span class="Delimiter">;</span>
 <span id="L37" class="LineNr"> 37 </span><span class="Delimiter">}</span>
 <span id="L38" class="LineNr"> 38 </span><span class="Delimiter">:(before &quot;End compute_container_sizes Atom Special-cases&quot;)</span>
-<span id="L39" class="LineNr"> 39 </span><span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L39" class="LineNr"> 39 </span><span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L175'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L40" class="LineNr"> 40 </span>  <a href='033exclusive_container.cc.html#L44'>compute_exclusive_container_sizes</a><span class="Delimiter">(</span>info<span class="Delimiter">,</span> type<span class="Delimiter">,</span> pending_metadata<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
 <span id="L41" class="LineNr"> 41 </span><span class="Delimiter">}</span>
 <span id="L42" class="LineNr"> 42 </span>
@@ -175,7 +175,7 @@ if ('onhashchange' in window) {
 <span id="L111" class="LineNr">111 </span>  <span class="Delimiter">}</span>
 <span id="L112" class="LineNr">112 </span>  <span class="Normal">const</span> type_tree* base_type = base<span class="Delimiter">.</span>type<span class="Delimiter">;</span>
 <span id="L113" class="LineNr">113 </span>  <span class="Comment">// Update MAYBE_CONVERT base_type in Check</span>
-<span id="L114" class="LineNr">114 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!base_type<span class="Delimiter">-&gt;</span>atom || base_type<span class="Delimiter">-&gt;</span>value == <span class="Constant">0</span> || !contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">)</span> || get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>kind != <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L114" class="LineNr">114 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!base_type<span class="Delimiter">-&gt;</span>atom || base_type<span class="Delimiter">-&gt;</span>value == <span class="Constant">0</span> || !contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">)</span> || get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>kind != <a href='010vm.cc.html#L175'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L115" class="LineNr">115 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'maybe-convert' should be an exclusive-container, but got '&quot;</span> &lt;&lt; base<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L116" class="LineNr">116 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L117" class="LineNr">117 </span>  <span class="Delimiter">}</span>
@@ -256,7 +256,7 @@ if ('onhashchange' in window) {
 <span id="L192" class="LineNr">192 </span>  assert<span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> root_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">));</span>
 <span id="L193" class="LineNr">193 </span>  assert<span class="Delimiter">(</span>!get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> root_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>name<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
 <span id="L194" class="LineNr">194 </span>  <span class="Normal">const</span> type_info&amp; info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> root_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
-<span id="L195" class="LineNr">195 </span>  assert<span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">);</span>
+<span id="L195" class="LineNr">195 </span>  assert<span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L175'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">);</span>
 <span id="L196" class="LineNr">196 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> element = info<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>tag<span class="Delimiter">);</span>
 <span id="L197" class="LineNr">197 </span>  <span class="Comment">// End variant_type Special-cases</span>
 <span id="L198" class="LineNr">198 </span>  <span class="Identifier">return</span> element<span class="Delimiter">;</span>
@@ -294,7 +294,7 @@ if ('onhashchange' in window) {
 <span id="L230" class="LineNr">230 </span>
 <span id="L231" class="LineNr">231 </span><span class="Delimiter">:(before &quot;End Command Handlers&quot;)</span>
 <span id="L232" class="LineNr">232 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>command == <span class="Constant">&quot;exclusive-container&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L233" class="LineNr">233 </span>  <a href='030container.cc.html#L661'>insert_container</a><span class="Delimiter">(</span>command<span class="Delimiter">,</span> <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">,</span> in<span class="Delimiter">);</span>
+<span id="L233" class="LineNr">233 </span>  <a href='030container.cc.html#L661'>insert_container</a><span class="Delimiter">(</span>command<span class="Delimiter">,</span> <a href='010vm.cc.html#L175'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">,</span> in<span class="Delimiter">);</span>
 <span id="L234" class="LineNr">234 </span><span class="Delimiter">}</span>
 <span id="L235" class="LineNr">235 </span>
 <span id="L236" class="LineNr">236 </span><span class="Comment">//: arrays are disallowed inside exclusive containers unless their length is</span>
@@ -380,7 +380,7 @@ if ('onhashchange' in window) {
 <span id="L316" class="LineNr">316 </span>$error: <span class="Constant">0</span>
 <span id="L317" class="LineNr">317 </span>
 <span id="L318" class="LineNr">318 </span><span class="Delimiter">:(before &quot;End <a href='031merge.cc.html#L142'>check_merge_call</a> Special-cases&quot;)</span>
-<span id="L319" class="LineNr">319 </span><span class="Normal">case</span> <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a>: <span class="Delimiter">{</span>
+<span id="L319" class="LineNr">319 </span><span class="Normal">case</span> <a href='010vm.cc.html#L175'>EXCLUSIVE_CONTAINER</a>: <span class="Delimiter">{</span>
 <span id="L320" class="LineNr">320 </span>  assert<span class="Delimiter">(</span>state<span class="Delimiter">.</span>data<span class="Delimiter">.</span>top<span class="Delimiter">().</span>container_element_index == <span class="Constant">0</span><span class="Delimiter">);</span>
 <span id="L321" class="LineNr">321 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;checking exclusive container &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>container<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; vs ingredient &quot;</span> &lt;&lt; ingredient_index &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L322" class="LineNr">322 </span>  <span class="Comment">// easy case: exact match</span>
@@ -509,7 +509,7 @@ if ('onhashchange' in window) {
 <span id="L445" class="LineNr">445 </span>  <span class="Comment">// Update size_mismatch Check for MERGE(x)</span>
 <span id="L446" class="LineNr">446 </span>  <span class="Normal">const</span> type_tree* root_type = x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom ? x<span class="Delimiter">.</span>type : x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">;</span>
 <span id="L447" class="LineNr">447 </span>  assert<span class="Delimiter">(</span>root_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
-<span id="L448" class="LineNr">448 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> root_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>kind == <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span>
+<span id="L448" class="LineNr">448 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> root_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>kind == <a href='010vm.cc.html#L175'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span>
 <span id="L449" class="LineNr">449 </span>    <span class="Identifier">return</span> size_of<span class="Delimiter">(</span>x<span class="Delimiter">)</span> &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">);</span>
 <span id="L450" class="LineNr">450 </span><span class="Delimiter">}</span>
 <span id="L451" class="LineNr">451 </span>
diff --git a/html/034address.cc.html b/html/034address.cc.html
index 58c4af64..f13bcb12 100644
--- a/html/034address.cc.html
+++ b/html/034address.cc.html
@@ -164,238 +164,237 @@ if ('onhashchange' in window) {
 <span id="L101" class="LineNr">101 </span>      <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L102" class="LineNr">102 </span>    drop_from_type<span class="Delimiter">(</span>product<span class="Delimiter">,</span> <span class="Constant">&quot;array&quot;</span><span class="Delimiter">);</span>
 <span id="L103" class="LineNr">103 </span>  <span class="Delimiter">}</span>
-<span id="L104" class="LineNr">104 </span>  reagent<span class="Comment">/*</span><span class="Comment">local</span><span class="Comment">*/</span> expected_product<span class="Delimiter">;</span>
-<span id="L105" class="LineNr">105 </span>  expected_product<span class="Delimiter">.</span>type = <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">);</span>
-<span id="L106" class="LineNr">106 </span>  <span class="Identifier">return</span> types_strictly_match<span class="Delimiter">(</span>product<span class="Delimiter">,</span> expected_product<span class="Delimiter">);</span>
-<span id="L107" class="LineNr">107 </span><span class="Delimiter">}</span>
-<span id="L108" class="LineNr">108 </span>
-<span id="L109" class="LineNr">109 </span><span class="Normal">void</span> drop_from_type<span class="Delimiter">(</span>reagent&amp; r<span class="Delimiter">,</span> string expected_type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L110" class="LineNr">110 </span>  assert<span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
-<span id="L111" class="LineNr">111 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name != expected_type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L112" class="LineNr">112 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;can't drop2 &quot;</span> &lt;&lt; expected_type &lt;&lt; <span class="Constant">&quot; from '&quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>r<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-<span id="L113" class="LineNr">113 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L114" class="LineNr">114 </span>  <span class="Delimiter">}</span>
-<span id="L115" class="LineNr">115 </span>  <span class="Comment">// r.type = r.type-&gt;right</span>
-<span id="L116" class="LineNr">116 </span>  type_tree* tmp = r<span class="Delimiter">.</span>type<span class="Delimiter">;</span>
-<span id="L117" class="LineNr">117 </span>  r<span class="Delimiter">.</span>type = tmp<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
-<span id="L118" class="LineNr">118 </span>  tmp<span class="Delimiter">-&gt;</span>right = <span class="Constant">NULL</span><span class="Delimiter">;</span>
-<span id="L119" class="LineNr">119 </span>  <span class="Normal">delete</span> tmp<span class="Delimiter">;</span>
-<span id="L120" class="LineNr">120 </span>  <span class="Comment">// if (!r.type-&gt;right) r.type = r.type-&gt;left</span>
-<span id="L121" class="LineNr">121 </span>  assert<span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
-<span id="L122" class="LineNr">122 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L123" class="LineNr">123 </span>  tmp = r<span class="Delimiter">.</span>type<span class="Delimiter">;</span>
-<span id="L124" class="LineNr">124 </span>  r<span class="Delimiter">.</span>type = tmp<span class="Delimiter">-&gt;</span>left<span class="Delimiter">;</span>
-<span id="L125" class="LineNr">125 </span>  tmp<span class="Delimiter">-&gt;</span>left = <span class="Constant">NULL</span><span class="Delimiter">;</span>
-<span id="L126" class="LineNr">126 </span>  <span class="Normal">delete</span> tmp<span class="Delimiter">;</span>
-<span id="L127" class="LineNr">127 </span><span class="Delimiter">}</span>
-<span id="L128" class="LineNr">128 </span>
-<span id="L129" class="LineNr">129 </span><span class="Delimiter">:(scenario new_returns_incorrect_type)</span>
-<span id="L130" class="LineNr">130 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L131" class="LineNr">131 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L132" class="LineNr">132 </span>  <span class="Constant">1</span>:<span class="Normal">bool</span><span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">num:type</span>
-<span id="L133" class="LineNr">133 </span>]
-<span id="L134" class="LineNr">134 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product of 'new' has incorrect type: '1:bool &lt;- new num:type'</span>
-<span id="L135" class="LineNr">135 </span>
-<span id="L136" class="LineNr">136 </span><span class="Delimiter">:(scenario new_discerns_singleton_list_from_atom_container)</span>
-<span id="L137" class="LineNr">137 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L138" class="LineNr">138 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L139" class="LineNr">139 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Delimiter">{(</span>num<span class="Delimiter">)</span>: type<span class="Delimiter">}</span>  <span class="Comment"># should be '{num: type}'</span>
-<span id="L140" class="LineNr">140 </span>]
-<span id="L141" class="LineNr">141 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product of 'new' has incorrect type: '1:address:num/raw &lt;- new {(num): type}'</span>
-<span id="L142" class="LineNr">142 </span>
-<span id="L143" class="LineNr">143 </span><span class="Delimiter">:(scenario new_with_type_abbreviation)</span>
-<span id="L144" class="LineNr">144 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L145" class="LineNr">145 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">num:type</span>
-<span id="L146" class="LineNr">146 </span>]
-<span id="L147" class="LineNr">147 </span>$error: <span class="Constant">0</span>
-<span id="L148" class="LineNr">148 </span>
-<span id="L149" class="LineNr">149 </span><span class="Delimiter">:(scenario new_with_type_abbreviation_inside_compound)</span>
-<span id="L150" class="LineNr">150 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L151" class="LineNr">151 </span>  <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='043space.cc.html#L80'>address</a> <a href='043space.cc.html#L80'>address</a> number<span class="Delimiter">),</span> <span class="Special">raw</span>: <span class="Delimiter">()}</span><span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Delimiter">{(</span>&amp; num<span class="Delimiter">)</span>: type<span class="Delimiter">}</span>
-<span id="L152" class="LineNr">152 </span>]
-<span id="L153" class="LineNr">153 </span>$error: <span class="Constant">0</span>
-<span id="L154" class="LineNr">154 </span>
-<span id="L155" class="LineNr">155 </span><span class="Comment">//: To implement 'new', a Mu transform turns all 'new' instructions into</span>
-<span id="L156" class="LineNr">156 </span><span class="Comment">//: 'allocate' instructions that precompute the amount of memory they want to</span>
-<span id="L157" class="LineNr">157 </span><span class="Comment">//: allocate.</span>
-<span id="L158" class="LineNr">158 </span>
-<span id="L159" class="LineNr">159 </span><span class="Comment">//: Ensure that we never call 'allocate' directly, and that there's no 'new'</span>
-<span id="L160" class="LineNr">160 </span><span class="Comment">//: instructions left after the transforms have run.</span>
-<span id="L161" class="LineNr">161 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
-<span id="L162" class="LineNr">162 </span><span class="Normal">case</span> ALLOCATE: <span class="Delimiter">{</span>
-<span id="L163" class="LineNr">163 </span>  <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;never call 'allocate' directly'; always use 'new'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-<span id="L164" class="LineNr">164 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L165" class="LineNr">165 </span><span class="Delimiter">}</span>
-<span id="L166" class="LineNr">166 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span id="L167" class="LineNr">167 </span><span class="Normal">case</span> NEW: <span class="Delimiter">{</span>
-<span id="L168" class="LineNr">168 </span>  <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;no implementation for 'new'; why wasn't it translated to 'allocate'? Please save a copy of your program and send it to Kartik.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-<span id="L169" class="LineNr">169 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L170" class="LineNr">170 </span><span class="Delimiter">}</span>
-<span id="L171" class="LineNr">171 </span>
-<span id="L172" class="LineNr">172 </span><span class="Delimiter">:(after &quot;Transform.push_back(check_instruction)&quot;)</span>  <span class="Comment">// check_instruction will guard against direct 'allocate' instructions below</span>
-<span id="L173" class="LineNr">173 </span>Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>transform_new_to_allocate<span class="Delimiter">);</span>  <span class="Comment">// idempotent</span>
-<span id="L174" class="LineNr">174 </span>
-<span id="L175" class="LineNr">175 </span><span class="Delimiter">:(code)</span>
-<span id="L176" class="LineNr">176 </span><span class="Normal">void</span> transform_new_to_allocate<span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L177" class="LineNr">177 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- convert 'new' to 'allocate' for <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L178" class="LineNr">178 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L179" class="LineNr">179 </span>    instruction&amp; inst = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-<span id="L180" class="LineNr">180 </span>    <span class="Comment">// Convert 'new' To 'allocate'</span>
-<span id="L181" class="LineNr">181 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;new&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L182" class="LineNr">182 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
-<span id="L183" class="LineNr">183 </span>      inst<span class="Delimiter">.</span>operation = ALLOCATE<span class="Delimiter">;</span>
-<span id="L184" class="LineNr">184 </span>      type_tree* type = <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">);</span>
-<span id="L185" class="LineNr">185 </span>      inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>size_of<span class="Delimiter">(</span>type<span class="Delimiter">));</span>
-<span id="L186" class="LineNr">186 </span>      <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;new&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;size of '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;' is &quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>value &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L187" class="LineNr">187 </span>      <span class="Normal">delete</span> type<span class="Delimiter">;</span>
-<span id="L188" class="LineNr">188 </span>    <span class="Delimiter">}</span>
-<span id="L189" class="LineNr">189 </span>  <span class="Delimiter">}</span>
-<span id="L190" class="LineNr">190 </span><span class="Delimiter">}</span>
-<span id="L191" class="LineNr">191 </span>
-<span id="L192" class="LineNr">192 </span><span class="Comment">//: implement 'allocate' based on size</span>
-<span id="L193" class="LineNr">193 </span>
-<span id="L194" class="LineNr">194 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
-<span id="L195" class="LineNr">195 </span><span class="Normal">extern</span> <span class="Normal">const</span> <span class="Normal">int</span> Reserved_for_tests = <span class="Constant">1000</span><span class="Delimiter">;</span>
-<span id="L196" class="LineNr">196 </span><span class="Normal">int</span> Memory_allocated_until = Reserved_for_tests<span class="Delimiter">;</span>
-<span id="L197" class="LineNr">197 </span><span class="Normal">int</span> Initial_memory_per_routine = <span class="Constant">100000</span><span class="Delimiter">;</span>
-<span id="L198" class="LineNr">198 </span><span class="Delimiter">:(before &quot;End Reset&quot;)</span>
-<span id="L199" class="LineNr">199 </span>Memory_allocated_until = Reserved_for_tests<span class="Delimiter">;</span>
-<span id="L200" class="LineNr">200 </span>Initial_memory_per_routine = <span class="Constant">100000</span><span class="Delimiter">;</span>
-<span id="L201" class="LineNr">201 </span><span class="Delimiter">:(before &quot;End routine Fields&quot;)</span>
-<span id="L202" class="LineNr">202 </span><span class="Normal">int</span> alloc<span class="Delimiter">,</span> alloc_max<span class="Delimiter">;</span>
-<span id="L203" class="LineNr">203 </span><span class="Delimiter">:(before &quot;End routine Constructor&quot;)</span>
-<span id="L204" class="LineNr">204 </span>alloc = Memory_allocated_until<span class="Delimiter">;</span>
-<span id="L205" class="LineNr">205 </span>Memory_allocated_until += Initial_memory_per_routine<span class="Delimiter">;</span>
-<span id="L206" class="LineNr">206 </span>alloc_max = Memory_allocated_until<span class="Delimiter">;</span>
-<span id="L207" class="LineNr">207 </span><a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;new&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;routine allocated memory from &quot;</span> &lt;&lt; alloc &lt;&lt; <span class="Constant">&quot; to &quot;</span> &lt;&lt; alloc_max &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L208" class="LineNr">208 </span>
-<span id="L209" class="LineNr">209 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
-<span id="L210" class="LineNr">210 </span>ALLOCATE<span class="Delimiter">,</span>
-<span id="L211" class="LineNr">211 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L212" class="LineNr">212 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;allocate&quot;</span><span class="Delimiter">,</span> ALLOCATE<span class="Delimiter">);</span>
-<span id="L213" class="LineNr">213 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span id="L214" class="LineNr">214 </span><span class="Normal">case</span> ALLOCATE: <span class="Delimiter">{</span>
-<span id="L215" class="LineNr">215 </span>  <span class="Comment">// compute the space we need</span>
-<span id="L216" class="LineNr">216 </span>  <span class="Normal">int</span> size = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L217" class="LineNr">217 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L218" class="LineNr">218 </span>    <span class="Comment">// array allocation</span>
-<span id="L219" class="LineNr">219 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;array length is &quot;</span> &lt;&lt; ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L220" class="LineNr">220 </span>    size = <span class="Comment">/*</span><span class="Comment">space for length</span><span class="Comment">*/</span><span class="Constant">1</span> + size*ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L221" class="LineNr">221 </span>  <span class="Delimiter">}</span>
-<span id="L222" class="LineNr">222 </span>  <span class="Normal">int</span> result = allocate<span class="Delimiter">(</span>size<span class="Delimiter">);</span>
-<span id="L223" class="LineNr">223 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L224" class="LineNr">224 </span>    <span class="Comment">// initialize array length</span>
-<span id="L225" class="LineNr">225 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; result &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L226" class="LineNr">226 </span>    <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> result<span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
-<span id="L227" class="LineNr">227 </span>  <span class="Delimiter">}</span>
-<span id="L228" class="LineNr">228 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L229" class="LineNr">229 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span>
-<span id="L230" class="LineNr">230 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L231" class="LineNr">231 </span><span class="Delimiter">}</span>
-<span id="L232" class="LineNr">232 </span><span class="Delimiter">:(code)</span>
-<span id="L233" class="LineNr">233 </span><span class="Normal">int</span> allocate<span class="Delimiter">(</span><span class="Normal">int</span> size<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L234" class="LineNr">234 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;allocating size &quot;</span> &lt;&lt; size &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L235" class="LineNr">235 </span><span class="CommentedCode">//?   Total_alloc += size;</span>
-<span id="L236" class="LineNr">236 </span><span class="CommentedCode">//?   ++Num_alloc;</span>
-<span id="L237" class="LineNr">237 </span>  <span class="Comment">// Allocate Special-cases</span>
-<span id="L238" class="LineNr">238 </span>  <span class="Comment">// compute the region of memory to return</span>
-<span id="L239" class="LineNr">239 </span>  <span class="Comment">// really crappy at the moment</span>
-<span id="L240" class="LineNr">240 </span>  ensure_space<span class="Delimiter">(</span>size<span class="Delimiter">);</span>
-<span id="L241" class="LineNr">241 </span>  <span class="Normal">const</span> <span class="Normal">int</span> result = Current_routine<span class="Delimiter">-&gt;</span>alloc<span class="Delimiter">;</span>
-<span id="L242" class="LineNr">242 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;new alloc: &quot;</span> &lt;&lt; result &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L243" class="LineNr">243 </span>  <span class="Comment">// initialize allocated space</span>
-<span id="L244" class="LineNr">244 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> <a href='043space.cc.html#L80'>address</a> = result<span class="Delimiter">;</span>  <a href='043space.cc.html#L80'>address</a> &lt; result+size<span class="Delimiter">;</span>  ++address<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L245" class="LineNr">245 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing 0 in location &quot;</span> &lt;&lt; <a href='043space.cc.html#L80'>address</a> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L246" class="LineNr">246 </span>    <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L80'>address</a><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L247" class="LineNr">247 </span>  <span class="Delimiter">}</span>
-<span id="L248" class="LineNr">248 </span>  Current_routine<span class="Delimiter">-&gt;</span>alloc += size<span class="Delimiter">;</span>
-<span id="L249" class="LineNr">249 </span>  <span class="Comment">// no support yet for reclaiming memory between routines</span>
-<span id="L250" class="LineNr">250 </span>  assert<span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>alloc &lt;= Current_routine<span class="Delimiter">-&gt;</span>alloc_max<span class="Delimiter">);</span>
-<span id="L251" class="LineNr">251 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
-<span id="L252" class="LineNr">252 </span><span class="Delimiter">}</span>
-<span id="L253" class="LineNr">253 </span>
-<span id="L254" class="LineNr">254 </span><span class="Comment">//: statistics for debugging</span>
-<span id="L255" class="LineNr">255 </span><span class="CommentedCode">//? :(before &quot;End Globals&quot;)</span>
-<span id="L256" class="LineNr">256 </span><span class="CommentedCode">//? int Total_alloc = 0;</span>
-<span id="L257" class="LineNr">257 </span><span class="CommentedCode">//? int Num_alloc = 0;</span>
-<span id="L258" class="LineNr">258 </span><span class="CommentedCode">//? int Total_free = 0;</span>
-<span id="L259" class="LineNr">259 </span><span class="CommentedCode">//? int Num_free = 0;</span>
-<span id="L260" class="LineNr">260 </span><span class="CommentedCode">//? :(before &quot;End Reset&quot;)</span>
-<span id="L261" class="LineNr">261 </span><span class="CommentedCode">//? if (!Memory.empty()) {</span>
-<span id="L262" class="LineNr">262 </span><span class="CommentedCode">//?   cerr &lt;&lt; Total_alloc &lt;&lt; &quot;/&quot; &lt;&lt; Num_alloc</span>
-<span id="L263" class="LineNr">263 </span><span class="CommentedCode">//?        &lt;&lt; &quot; vs &quot; &lt;&lt; Total_free &lt;&lt; &quot;/&quot; &lt;&lt; Num_free &lt;&lt; '\n';</span>
-<span id="L264" class="LineNr">264 </span><span class="CommentedCode">//?   cerr &lt;&lt; SIZE(Memory) &lt;&lt; '\n';</span>
-<span id="L265" class="LineNr">265 </span><span class="CommentedCode">//? }</span>
-<span id="L266" class="LineNr">266 </span><span class="CommentedCode">//? Total_alloc = Num_alloc = Total_free = Num_free = 0;</span>
-<span id="L267" class="LineNr">267 </span>
-<span id="L268" class="LineNr">268 </span><span class="Delimiter">:(code)</span>
-<span id="L269" class="LineNr">269 </span><span class="Normal">void</span> ensure_space<span class="Delimiter">(</span><span class="Normal">int</span> size<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L270" class="LineNr">270 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>size &gt; Initial_memory_per_routine<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L271" class="LineNr">271 </span>    cerr &lt;&lt; <span class="Constant">&quot;can't allocate &quot;</span> &lt;&lt; size &lt;&lt; <span class="Constant">&quot; locations, that's too much compared to &quot;</span> &lt;&lt; Initial_memory_per_routine &lt;&lt; <span class="Constant">&quot;.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
-<span id="L272" class="LineNr">272 </span>    exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L273" class="LineNr">273 </span>  <span class="Delimiter">}</span>
-<span id="L274" class="LineNr">274 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>alloc + size &gt; Current_routine<span class="Delimiter">-&gt;</span>alloc_max<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L275" class="LineNr">275 </span>    <span class="Comment">// waste the remaining space and create a new chunk</span>
-<span id="L276" class="LineNr">276 </span>    Current_routine<span class="Delimiter">-&gt;</span>alloc = Memory_allocated_until<span class="Delimiter">;</span>
-<span id="L277" class="LineNr">277 </span>    Memory_allocated_until += Initial_memory_per_routine<span class="Delimiter">;</span>
-<span id="L278" class="LineNr">278 </span>    Current_routine<span class="Delimiter">-&gt;</span>alloc_max = Memory_allocated_until<span class="Delimiter">;</span>
-<span id="L279" class="LineNr">279 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;new&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;routine allocated memory from &quot;</span> &lt;&lt; Current_routine<span class="Delimiter">-&gt;</span>alloc &lt;&lt; <span class="Constant">&quot; to &quot;</span> &lt;&lt; Current_routine<span class="Delimiter">-&gt;</span>alloc_max &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L280" class="LineNr">280 </span>  <span class="Delimiter">}</span>
-<span id="L281" class="LineNr">281 </span><span class="Delimiter">}</span>
-<span id="L282" class="LineNr">282 </span>
-<span id="L283" class="LineNr">283 </span><span class="Delimiter">:(scenario new_initializes)</span>
-<span id="L284" class="LineNr">284 </span><span class="Special">% Memory_allocated_until = 10;</span>
-<span id="L285" class="LineNr">285 </span><span class="Special">% put(Memory, Memory_allocated_until, 1);</span>
-<span id="L286" class="LineNr">286 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L287" class="LineNr">287 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:num<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
-<span id="L288" class="LineNr">288 </span>]
-<span id="L289" class="LineNr">289 </span><span class="traceContains">+mem: storing 0 in location 10</span>
-<span id="L290" class="LineNr">290 </span>
-<span id="L291" class="LineNr">291 </span><span class="Delimiter">:(scenario new_size)</span>
-<span id="L292" class="LineNr">292 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L293" class="LineNr">293 </span>  <span class="Constant">11</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
-<span id="L294" class="LineNr">294 </span>  <span class="Constant">12</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
-<span id="L295" class="LineNr">295 </span>  <span class="Constant">13</span>:num/<span class="Special">raw &lt;- </span>subtract <span class="Constant">12</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw</span><span class="Delimiter">,</span> <span class="Constant">11</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw</span>
-<span id="L296" class="LineNr">296 </span>]
-<span id="L297" class="LineNr">297 </span><span class="Comment"># size of number</span>
-<span id="L298" class="LineNr">298 </span><span class="traceContains">+mem: storing 1 in location 13</span>
-<span id="L299" class="LineNr">299 </span>
-<span id="L300" class="LineNr">300 </span><span class="Delimiter">:(scenario new_array_size)</span>
-<span id="L301" class="LineNr">301 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L302" class="LineNr">302 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span><span class="Delimiter">,</span> <span class="Constant">5</span>
-<span id="L303" class="LineNr">303 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
-<span id="L304" class="LineNr">304 </span>  <span class="Constant">3</span>:num/<span class="Special">raw &lt;- </span>subtract <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw</span><span class="Delimiter">,</span> <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num/<span class="Special">raw</span>
-<span id="L305" class="LineNr">305 </span>]
-<span id="L306" class="LineNr">306 </span><span class="Comment"># 5 locations for array contents + array length</span>
-<span id="L307" class="LineNr">307 </span><span class="traceContains">+mem: storing 6 in location 3</span>
-<span id="L308" class="LineNr">308 </span>
-<span id="L309" class="LineNr">309 </span><span class="Delimiter">:(scenario new_empty_array)</span>
-<span id="L310" class="LineNr">310 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L311" class="LineNr">311 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span><span class="Delimiter">,</span> <span class="Constant">0</span>
-<span id="L312" class="LineNr">312 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
-<span id="L313" class="LineNr">313 </span>  <span class="Constant">3</span>:num/<span class="Special">raw &lt;- </span>subtract <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw</span><span class="Delimiter">,</span> <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num/<span class="Special">raw</span>
-<span id="L314" class="LineNr">314 </span>]
-<span id="L315" class="LineNr">315 </span><span class="traceContains">+run: {1: (&quot;address&quot; &quot;array&quot; &quot;number&quot;), &quot;raw&quot;: ()} &lt;- new {number: &quot;type&quot;}, {0: &quot;literal&quot;}</span>
-<span id="L316" class="LineNr">316 </span><span class="traceContains">+mem: array length is 0</span>
-<span id="L317" class="LineNr">317 </span><span class="Comment"># one location for array length</span>
-<span id="L318" class="LineNr">318 </span><span class="traceContains">+mem: storing 1 in location 3</span>
-<span id="L319" class="LineNr">319 </span>
-<span id="L320" class="LineNr">320 </span><span class="Comment">//: If a routine runs out of its initial allocation, it should allocate more.</span>
-<span id="L321" class="LineNr">321 </span><span class="Delimiter">:(scenario new_overflow)</span>
-<span id="L322" class="LineNr">322 </span><span class="Special">% Initial_memory_per_routine = 2;  // barely enough room for point allocation below</span>
-<span id="L323" class="LineNr">323 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L324" class="LineNr">324 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
-<span id="L325" class="LineNr">325 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:point/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">point:type</span>  <span class="Comment"># not enough room in initial page</span>
-<span id="L326" class="LineNr">326 </span>]
-<span id="L327" class="LineNr">327 </span><span class="traceContains">+new: routine allocated memory from 1000 to 1002</span>
-<span id="L328" class="LineNr">328 </span><span class="traceContains">+new: routine allocated memory from 1002 to 1004</span>
-<span id="L329" class="LineNr">329 </span>
-<span id="L330" class="LineNr">330 </span><span class="Delimiter">:(scenario new_without_ingredient)</span>
-<span id="L331" class="LineNr">331 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L332" class="LineNr">332 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L333" class="LineNr">333 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:number<span class="Special"> &lt;- </span><span class="Normal">new</span>  <span class="Comment"># missing ingredient</span>
-<span id="L334" class="LineNr">334 </span>]
-<span id="L335" class="LineNr">335 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: 'new' requires one or two ingredients, but got '1:address:number &lt;- new'</span>
+<span id="L104" class="LineNr">104 </span>  reagent<span class="Comment">/*</span><span class="Comment">local</span><span class="Comment">*/</span> expected_product<span class="Delimiter">(</span><a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">));</span>
+<span id="L105" class="LineNr">105 </span>  <span class="Identifier">return</span> types_strictly_match<span class="Delimiter">(</span>product<span class="Delimiter">,</span> expected_product<span class="Delimiter">);</span>
+<span id="L106" class="LineNr">106 </span><span class="Delimiter">}</span>
+<span id="L107" class="LineNr">107 </span>
+<span id="L108" class="LineNr">108 </span><span class="Normal">void</span> drop_from_type<span class="Delimiter">(</span>reagent&amp; r<span class="Delimiter">,</span> string expected_type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L109" class="LineNr">109 </span>  assert<span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
+<span id="L110" class="LineNr">110 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name != expected_type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L111" class="LineNr">111 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;can't drop2 &quot;</span> &lt;&lt; expected_type &lt;&lt; <span class="Constant">&quot; from '&quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>r<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L112" class="LineNr">112 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L113" class="LineNr">113 </span>  <span class="Delimiter">}</span>
+<span id="L114" class="LineNr">114 </span>  <span class="Comment">// r.type = r.type-&gt;right</span>
+<span id="L115" class="LineNr">115 </span>  type_tree* tmp = r<span class="Delimiter">.</span>type<span class="Delimiter">;</span>
+<span id="L116" class="LineNr">116 </span>  r<span class="Delimiter">.</span>type = tmp<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
+<span id="L117" class="LineNr">117 </span>  tmp<span class="Delimiter">-&gt;</span>right = <span class="Constant">NULL</span><span class="Delimiter">;</span>
+<span id="L118" class="LineNr">118 </span>  <span class="Normal">delete</span> tmp<span class="Delimiter">;</span>
+<span id="L119" class="LineNr">119 </span>  <span class="Comment">// if (!r.type-&gt;right) r.type = r.type-&gt;left</span>
+<span id="L120" class="LineNr">120 </span>  assert<span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
+<span id="L121" class="LineNr">121 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L122" class="LineNr">122 </span>  tmp = r<span class="Delimiter">.</span>type<span class="Delimiter">;</span>
+<span id="L123" class="LineNr">123 </span>  r<span class="Delimiter">.</span>type = tmp<span class="Delimiter">-&gt;</span>left<span class="Delimiter">;</span>
+<span id="L124" class="LineNr">124 </span>  tmp<span class="Delimiter">-&gt;</span>left = <span class="Constant">NULL</span><span class="Delimiter">;</span>
+<span id="L125" class="LineNr">125 </span>  <span class="Normal">delete</span> tmp<span class="Delimiter">;</span>
+<span id="L126" class="LineNr">126 </span><span class="Delimiter">}</span>
+<span id="L127" class="LineNr">127 </span>
+<span id="L128" class="LineNr">128 </span><span class="Delimiter">:(scenario new_returns_incorrect_type)</span>
+<span id="L129" class="LineNr">129 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L130" class="LineNr">130 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L131" class="LineNr">131 </span>  <span class="Constant">1</span>:<span class="Normal">bool</span><span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">num:type</span>
+<span id="L132" class="LineNr">132 </span>]
+<span id="L133" class="LineNr">133 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product of 'new' has incorrect type: '1:bool &lt;- new num:type'</span>
+<span id="L134" class="LineNr">134 </span>
+<span id="L135" class="LineNr">135 </span><span class="Delimiter">:(scenario new_discerns_singleton_list_from_atom_container)</span>
+<span id="L136" class="LineNr">136 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L137" class="LineNr">137 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L138" class="LineNr">138 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Delimiter">{(</span>num<span class="Delimiter">)</span>: type<span class="Delimiter">}</span>  <span class="Comment"># should be '{num: type}'</span>
+<span id="L139" class="LineNr">139 </span>]
+<span id="L140" class="LineNr">140 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product of 'new' has incorrect type: '1:address:num/raw &lt;- new {(num): type}'</span>
+<span id="L141" class="LineNr">141 </span>
+<span id="L142" class="LineNr">142 </span><span class="Delimiter">:(scenario new_with_type_abbreviation)</span>
+<span id="L143" class="LineNr">143 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L144" class="LineNr">144 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">num:type</span>
+<span id="L145" class="LineNr">145 </span>]
+<span id="L146" class="LineNr">146 </span>$error: <span class="Constant">0</span>
+<span id="L147" class="LineNr">147 </span>
+<span id="L148" class="LineNr">148 </span><span class="Delimiter">:(scenario new_with_type_abbreviation_inside_compound)</span>
+<span id="L149" class="LineNr">149 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L150" class="LineNr">150 </span>  <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='043space.cc.html#L80'>address</a> <a href='043space.cc.html#L80'>address</a> number<span class="Delimiter">),</span> <span class="Special">raw</span>: <span class="Delimiter">()}</span><span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Delimiter">{(</span>&amp; num<span class="Delimiter">)</span>: type<span class="Delimiter">}</span>
+<span id="L151" class="LineNr">151 </span>]
+<span id="L152" class="LineNr">152 </span>$error: <span class="Constant">0</span>
+<span id="L153" class="LineNr">153 </span>
+<span id="L154" class="LineNr">154 </span><span class="Comment">//: To implement 'new', a Mu transform turns all 'new' instructions into</span>
+<span id="L155" class="LineNr">155 </span><span class="Comment">//: 'allocate' instructions that precompute the amount of memory they want to</span>
+<span id="L156" class="LineNr">156 </span><span class="Comment">//: allocate.</span>
+<span id="L157" class="LineNr">157 </span>
+<span id="L158" class="LineNr">158 </span><span class="Comment">//: Ensure that we never call 'allocate' directly, and that there's no 'new'</span>
+<span id="L159" class="LineNr">159 </span><span class="Comment">//: instructions left after the transforms have run.</span>
+<span id="L160" class="LineNr">160 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
+<span id="L161" class="LineNr">161 </span><span class="Normal">case</span> ALLOCATE: <span class="Delimiter">{</span>
+<span id="L162" class="LineNr">162 </span>  <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;never call 'allocate' directly'; always use 'new'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L163" class="LineNr">163 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L164" class="LineNr">164 </span><span class="Delimiter">}</span>
+<span id="L165" class="LineNr">165 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
+<span id="L166" class="LineNr">166 </span><span class="Normal">case</span> NEW: <span class="Delimiter">{</span>
+<span id="L167" class="LineNr">167 </span>  <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;no implementation for 'new'; why wasn't it translated to 'allocate'? Please save a copy of your program and send it to Kartik.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L168" class="LineNr">168 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L169" class="LineNr">169 </span><span class="Delimiter">}</span>
+<span id="L170" class="LineNr">170 </span>
+<span id="L171" class="LineNr">171 </span><span class="Delimiter">:(after &quot;Transform.push_back(check_instruction)&quot;)</span>  <span class="Comment">// check_instruction will guard against direct 'allocate' instructions below</span>
+<span id="L172" class="LineNr">172 </span>Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>transform_new_to_allocate<span class="Delimiter">);</span>  <span class="Comment">// idempotent</span>
+<span id="L173" class="LineNr">173 </span>
+<span id="L174" class="LineNr">174 </span><span class="Delimiter">:(code)</span>
+<span id="L175" class="LineNr">175 </span><span class="Normal">void</span> transform_new_to_allocate<span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L176" class="LineNr">176 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- convert 'new' to 'allocate' for <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L177" class="LineNr">177 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L178" class="LineNr">178 </span>    instruction&amp; inst = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
+<span id="L179" class="LineNr">179 </span>    <span class="Comment">// Convert 'new' To 'allocate'</span>
+<span id="L180" class="LineNr">180 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;new&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L181" class="LineNr">181 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
+<span id="L182" class="LineNr">182 </span>      inst<span class="Delimiter">.</span>operation = ALLOCATE<span class="Delimiter">;</span>
+<span id="L183" class="LineNr">183 </span>      type_tree* type = <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">);</span>
+<span id="L184" class="LineNr">184 </span>      inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>size_of<span class="Delimiter">(</span>type<span class="Delimiter">));</span>
+<span id="L185" class="LineNr">185 </span>      <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;new&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;size of '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;' is &quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>value &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L186" class="LineNr">186 </span>      <span class="Normal">delete</span> type<span class="Delimiter">;</span>
+<span id="L187" class="LineNr">187 </span>    <span class="Delimiter">}</span>
+<span id="L188" class="LineNr">188 </span>  <span class="Delimiter">}</span>
+<span id="L189" class="LineNr">189 </span><span class="Delimiter">}</span>
+<span id="L190" class="LineNr">190 </span>
+<span id="L191" class="LineNr">191 </span><span class="Comment">//: implement 'allocate' based on size</span>
+<span id="L192" class="LineNr">192 </span>
+<span id="L193" class="LineNr">193 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
+<span id="L194" class="LineNr">194 </span><span class="Normal">extern</span> <span class="Normal">const</span> <span class="Normal">int</span> Reserved_for_tests = <span class="Constant">1000</span><span class="Delimiter">;</span>
+<span id="L195" class="LineNr">195 </span><span class="Normal">int</span> Memory_allocated_until = Reserved_for_tests<span class="Delimiter">;</span>
+<span id="L196" class="LineNr">196 </span><span class="Normal">int</span> Initial_memory_per_routine = <span class="Constant">100000</span><span class="Delimiter">;</span>
+<span id="L197" class="LineNr">197 </span><span class="Delimiter">:(before &quot;End Reset&quot;)</span>
+<span id="L198" class="LineNr">198 </span>Memory_allocated_until = Reserved_for_tests<span class="Delimiter">;</span>
+<span id="L199" class="LineNr">199 </span>Initial_memory_per_routine = <span class="Constant">100000</span><span class="Delimiter">;</span>
+<span id="L200" class="LineNr">200 </span><span class="Delimiter">:(before &quot;End routine Fields&quot;)</span>
+<span id="L201" class="LineNr">201 </span><span class="Normal">int</span> alloc<span class="Delimiter">,</span> alloc_max<span class="Delimiter">;</span>
+<span id="L202" class="LineNr">202 </span><span class="Delimiter">:(before &quot;End routine Constructor&quot;)</span>
+<span id="L203" class="LineNr">203 </span>alloc = Memory_allocated_until<span class="Delimiter">;</span>
+<span id="L204" class="LineNr">204 </span>Memory_allocated_until += Initial_memory_per_routine<span class="Delimiter">;</span>
+<span id="L205" class="LineNr">205 </span>alloc_max = Memory_allocated_until<span class="Delimiter">;</span>
+<span id="L206" class="LineNr">206 </span><a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;new&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;routine allocated memory from &quot;</span> &lt;&lt; alloc &lt;&lt; <span class="Constant">&quot; to &quot;</span> &lt;&lt; alloc_max &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L207" class="LineNr">207 </span>
+<span id="L208" class="LineNr">208 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
+<span id="L209" class="LineNr">209 </span>ALLOCATE<span class="Delimiter">,</span>
+<span id="L210" class="LineNr">210 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
+<span id="L211" class="LineNr">211 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;allocate&quot;</span><span class="Delimiter">,</span> ALLOCATE<span class="Delimiter">);</span>
+<span id="L212" class="LineNr">212 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
+<span id="L213" class="LineNr">213 </span><span class="Normal">case</span> ALLOCATE: <span class="Delimiter">{</span>
+<span id="L214" class="LineNr">214 </span>  <span class="Comment">// compute the space we need</span>
+<span id="L215" class="LineNr">215 </span>  <span class="Normal">int</span> size = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L216" class="LineNr">216 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L217" class="LineNr">217 </span>    <span class="Comment">// array allocation</span>
+<span id="L218" class="LineNr">218 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;array length is &quot;</span> &lt;&lt; ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L219" class="LineNr">219 </span>    size = <span class="Comment">/*</span><span class="Comment">space for length</span><span class="Comment">*/</span><span class="Constant">1</span> + size*ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L220" class="LineNr">220 </span>  <span class="Delimiter">}</span>
+<span id="L221" class="LineNr">221 </span>  <span class="Normal">int</span> result = allocate<span class="Delimiter">(</span>size<span class="Delimiter">);</span>
+<span id="L222" class="LineNr">222 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L223" class="LineNr">223 </span>    <span class="Comment">// initialize array length</span>
+<span id="L224" class="LineNr">224 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing &quot;</span> &lt;&lt; ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; in location &quot;</span> &lt;&lt; result &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L225" class="LineNr">225 </span>    <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> result<span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
+<span id="L226" class="LineNr">226 </span>  <span class="Delimiter">}</span>
+<span id="L227" class="LineNr">227 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L228" class="LineNr">228 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span>
+<span id="L229" class="LineNr">229 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L230" class="LineNr">230 </span><span class="Delimiter">}</span>
+<span id="L231" class="LineNr">231 </span><span class="Delimiter">:(code)</span>
+<span id="L232" class="LineNr">232 </span><span class="Normal">int</span> allocate<span class="Delimiter">(</span><span class="Normal">int</span> size<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L233" class="LineNr">233 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;allocating size &quot;</span> &lt;&lt; size &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L234" class="LineNr">234 </span><span class="CommentedCode">//?   Total_alloc += size;</span>
+<span id="L235" class="LineNr">235 </span><span class="CommentedCode">//?   ++Num_alloc;</span>
+<span id="L236" class="LineNr">236 </span>  <span class="Comment">// Allocate Special-cases</span>
+<span id="L237" class="LineNr">237 </span>  <span class="Comment">// compute the region of memory to return</span>
+<span id="L238" class="LineNr">238 </span>  <span class="Comment">// really crappy at the moment</span>
+<span id="L239" class="LineNr">239 </span>  ensure_space<span class="Delimiter">(</span>size<span class="Delimiter">);</span>
+<span id="L240" class="LineNr">240 </span>  <span class="Normal">const</span> <span class="Normal">int</span> result = Current_routine<span class="Delimiter">-&gt;</span>alloc<span class="Delimiter">;</span>
+<span id="L241" class="LineNr">241 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;new alloc: &quot;</span> &lt;&lt; result &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L242" class="LineNr">242 </span>  <span class="Comment">// initialize allocated space</span>
+<span id="L243" class="LineNr">243 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> <a href='043space.cc.html#L80'>address</a> = result<span class="Delimiter">;</span>  <a href='043space.cc.html#L80'>address</a> &lt; result+size<span class="Delimiter">;</span>  ++address<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L244" class="LineNr">244 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;storing 0 in location &quot;</span> &lt;&lt; <a href='043space.cc.html#L80'>address</a> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L245" class="LineNr">245 </span>    <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> <a href='043space.cc.html#L80'>address</a><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L246" class="LineNr">246 </span>  <span class="Delimiter">}</span>
+<span id="L247" class="LineNr">247 </span>  Current_routine<span class="Delimiter">-&gt;</span>alloc += size<span class="Delimiter">;</span>
+<span id="L248" class="LineNr">248 </span>  <span class="Comment">// no support yet for reclaiming memory between routines</span>
+<span id="L249" class="LineNr">249 </span>  assert<span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>alloc &lt;= Current_routine<span class="Delimiter">-&gt;</span>alloc_max<span class="Delimiter">);</span>
+<span id="L250" class="LineNr">250 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
+<span id="L251" class="LineNr">251 </span><span class="Delimiter">}</span>
+<span id="L252" class="LineNr">252 </span>
+<span id="L253" class="LineNr">253 </span><span class="Comment">//: statistics for debugging</span>
+<span id="L254" class="LineNr">254 </span><span class="CommentedCode">//? :(before &quot;End Globals&quot;)</span>
+<span id="L255" class="LineNr">255 </span><span class="CommentedCode">//? int Total_alloc = 0;</span>
+<span id="L256" class="LineNr">256 </span><span class="CommentedCode">//? int Num_alloc = 0;</span>
+<span id="L257" class="LineNr">257 </span><span class="CommentedCode">//? int Total_free = 0;</span>
+<span id="L258" class="LineNr">258 </span><span class="CommentedCode">//? int Num_free = 0;</span>
+<span id="L259" class="LineNr">259 </span><span class="CommentedCode">//? :(before &quot;End Reset&quot;)</span>
+<span id="L260" class="LineNr">260 </span><span class="CommentedCode">//? if (!Memory.empty()) {</span>
+<span id="L261" class="LineNr">261 </span><span class="CommentedCode">//?   cerr &lt;&lt; Total_alloc &lt;&lt; &quot;/&quot; &lt;&lt; Num_alloc</span>
+<span id="L262" class="LineNr">262 </span><span class="CommentedCode">//?        &lt;&lt; &quot; vs &quot; &lt;&lt; Total_free &lt;&lt; &quot;/&quot; &lt;&lt; Num_free &lt;&lt; '\n';</span>
+<span id="L263" class="LineNr">263 </span><span class="CommentedCode">//?   cerr &lt;&lt; SIZE(Memory) &lt;&lt; '\n';</span>
+<span id="L264" class="LineNr">264 </span><span class="CommentedCode">//? }</span>
+<span id="L265" class="LineNr">265 </span><span class="CommentedCode">//? Total_alloc = Num_alloc = Total_free = Num_free = 0;</span>
+<span id="L266" class="LineNr">266 </span>
+<span id="L267" class="LineNr">267 </span><span class="Delimiter">:(code)</span>
+<span id="L268" class="LineNr">268 </span><span class="Normal">void</span> ensure_space<span class="Delimiter">(</span><span class="Normal">int</span> size<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L269" class="LineNr">269 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>size &gt; Initial_memory_per_routine<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L270" class="LineNr">270 </span>    cerr &lt;&lt; <span class="Constant">&quot;can't allocate &quot;</span> &lt;&lt; size &lt;&lt; <span class="Constant">&quot; locations, that's too much compared to &quot;</span> &lt;&lt; Initial_memory_per_routine &lt;&lt; <span class="Constant">&quot;.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
+<span id="L271" class="LineNr">271 </span>    exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L272" class="LineNr">272 </span>  <span class="Delimiter">}</span>
+<span id="L273" class="LineNr">273 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>alloc + size &gt; Current_routine<span class="Delimiter">-&gt;</span>alloc_max<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L274" class="LineNr">274 </span>    <span class="Comment">// waste the remaining space and create a new chunk</span>
+<span id="L275" class="LineNr">275 </span>    Current_routine<span class="Delimiter">-&gt;</span>alloc = Memory_allocated_until<span class="Delimiter">;</span>
+<span id="L276" class="LineNr">276 </span>    Memory_allocated_until += Initial_memory_per_routine<span class="Delimiter">;</span>
+<span id="L277" class="LineNr">277 </span>    Current_routine<span class="Delimiter">-&gt;</span>alloc_max = Memory_allocated_until<span class="Delimiter">;</span>
+<span id="L278" class="LineNr">278 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;new&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;routine allocated memory from &quot;</span> &lt;&lt; Current_routine<span class="Delimiter">-&gt;</span>alloc &lt;&lt; <span class="Constant">&quot; to &quot;</span> &lt;&lt; Current_routine<span class="Delimiter">-&gt;</span>alloc_max &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L279" class="LineNr">279 </span>  <span class="Delimiter">}</span>
+<span id="L280" class="LineNr">280 </span><span class="Delimiter">}</span>
+<span id="L281" class="LineNr">281 </span>
+<span id="L282" class="LineNr">282 </span><span class="Delimiter">:(scenario new_initializes)</span>
+<span id="L283" class="LineNr">283 </span><span class="Special">% Memory_allocated_until = 10;</span>
+<span id="L284" class="LineNr">284 </span><span class="Special">% put(Memory, Memory_allocated_until, 1);</span>
+<span id="L285" class="LineNr">285 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L286" class="LineNr">286 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:num<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
+<span id="L287" class="LineNr">287 </span>]
+<span id="L288" class="LineNr">288 </span><span class="traceContains">+mem: storing 0 in location 10</span>
+<span id="L289" class="LineNr">289 </span>
+<span id="L290" class="LineNr">290 </span><span class="Delimiter">:(scenario new_size)</span>
+<span id="L291" class="LineNr">291 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L292" class="LineNr">292 </span>  <span class="Constant">11</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
+<span id="L293" class="LineNr">293 </span>  <span class="Constant">12</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
+<span id="L294" class="LineNr">294 </span>  <span class="Constant">13</span>:num/<span class="Special">raw &lt;- </span>subtract <span class="Constant">12</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw</span><span class="Delimiter">,</span> <span class="Constant">11</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw</span>
+<span id="L295" class="LineNr">295 </span>]
+<span id="L296" class="LineNr">296 </span><span class="Comment"># size of number</span>
+<span id="L297" class="LineNr">297 </span><span class="traceContains">+mem: storing 1 in location 13</span>
+<span id="L298" class="LineNr">298 </span>
+<span id="L299" class="LineNr">299 </span><span class="Delimiter">:(scenario new_array_size)</span>
+<span id="L300" class="LineNr">300 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L301" class="LineNr">301 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span><span class="Delimiter">,</span> <span class="Constant">5</span>
+<span id="L302" class="LineNr">302 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
+<span id="L303" class="LineNr">303 </span>  <span class="Constant">3</span>:num/<span class="Special">raw &lt;- </span>subtract <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw</span><span class="Delimiter">,</span> <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num/<span class="Special">raw</span>
+<span id="L304" class="LineNr">304 </span>]
+<span id="L305" class="LineNr">305 </span><span class="Comment"># 5 locations for array contents + array length</span>
+<span id="L306" class="LineNr">306 </span><span class="traceContains">+mem: storing 6 in location 3</span>
+<span id="L307" class="LineNr">307 </span>
+<span id="L308" class="LineNr">308 </span><span class="Delimiter">:(scenario new_empty_array)</span>
+<span id="L309" class="LineNr">309 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L310" class="LineNr">310 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span><span class="Delimiter">,</span> <span class="Constant">0</span>
+<span id="L311" class="LineNr">311 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
+<span id="L312" class="LineNr">312 </span>  <span class="Constant">3</span>:num/<span class="Special">raw &lt;- </span>subtract <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw</span><span class="Delimiter">,</span> <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num/<span class="Special">raw</span>
+<span id="L313" class="LineNr">313 </span>]
+<span id="L314" class="LineNr">314 </span><span class="traceContains">+run: {1: (&quot;address&quot; &quot;array&quot; &quot;number&quot;), &quot;raw&quot;: ()} &lt;- new {number: &quot;type&quot;}, {0: &quot;literal&quot;}</span>
+<span id="L315" class="LineNr">315 </span><span class="traceContains">+mem: array length is 0</span>
+<span id="L316" class="LineNr">316 </span><span class="Comment"># one location for array length</span>
+<span id="L317" class="LineNr">317 </span><span class="traceContains">+mem: storing 1 in location 3</span>
+<span id="L318" class="LineNr">318 </span>
+<span id="L319" class="LineNr">319 </span><span class="Comment">//: If a routine runs out of its initial allocation, it should allocate more.</span>
+<span id="L320" class="LineNr">320 </span><span class="Delimiter">:(scenario new_overflow)</span>
+<span id="L321" class="LineNr">321 </span><span class="Special">% Initial_memory_per_routine = 2;  // barely enough room for point allocation below</span>
+<span id="L322" class="LineNr">322 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L323" class="LineNr">323 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
+<span id="L324" class="LineNr">324 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:point/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">point:type</span>  <span class="Comment"># not enough room in initial page</span>
+<span id="L325" class="LineNr">325 </span>]
+<span id="L326" class="LineNr">326 </span><span class="traceContains">+new: routine allocated memory from 1000 to 1002</span>
+<span id="L327" class="LineNr">327 </span><span class="traceContains">+new: routine allocated memory from 1002 to 1004</span>
+<span id="L328" class="LineNr">328 </span>
+<span id="L329" class="LineNr">329 </span><span class="Delimiter">:(scenario new_without_ingredient)</span>
+<span id="L330" class="LineNr">330 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L331" class="LineNr">331 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L332" class="LineNr">332 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:number<span class="Special"> &lt;- </span><span class="Normal">new</span>  <span class="Comment"># missing ingredient</span>
+<span id="L333" class="LineNr">333 </span>]
+<span id="L334" class="LineNr">334 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: 'new' requires one or two ingredients, but got '1:address:number &lt;- new'</span>
 </pre>
 </body>
 </html>
diff --git a/html/035lookup.cc.html b/html/035lookup.cc.html
index 7733dc2b..05c16805 100644
--- a/html/035lookup.cc.html
+++ b/html/035lookup.cc.html
@@ -108,430 +108,447 @@ if ('onhashchange' in window) {
 <span id="L44" class="LineNr"> 44 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
 <span id="L45" class="LineNr"> 45 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:num/lookup
 <span id="L46" class="LineNr"> 46 </span>]
-<span id="L47" class="LineNr"> 47 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: tried to /lookup 0 in '2:num &lt;- copy 1:address:num/lookup'</span>
+<span id="L47" class="LineNr"> 47 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: tried to lookup 0 in '2:num &lt;- copy 1:address:num/lookup'</span>
 <span id="L48" class="LineNr"> 48 </span>
-<span id="L49" class="LineNr"> 49 </span><span class="Delimiter">:(code)</span>
-<span id="L50" class="LineNr"> 50 </span><span class="Normal">void</span> canonize<span class="Delimiter">(</span>reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L51" class="LineNr"> 51 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L52" class="LineNr"> 52 </span>  <span class="Comment">// Begin canonize(x) Lookups</span>
-<span id="L53" class="LineNr"> 53 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>x<span class="Delimiter">,</span> <span class="Constant">&quot;lookup&quot;</span><span class="Delimiter">))</span>
-<span id="L54" class="LineNr"> 54 </span>    lookup_memory<span class="Delimiter">(</span>x<span class="Delimiter">);</span>
-<span id="L55" class="LineNr"> 55 </span><span class="Delimiter">}</span>
-<span id="L56" class="LineNr"> 56 </span>
-<span id="L57" class="LineNr"> 57 </span><span class="Normal">void</span> lookup_memory<span class="Delimiter">(</span>reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L58" class="LineNr"> 58 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type || x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom || x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value != get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L59" class="LineNr"> 59 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;tried to /lookup '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;' but it isn't an address</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-<span id="L60" class="LineNr"> 60 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L61" class="LineNr"> 61 </span>  <span class="Delimiter">}</span>
-<span id="L62" class="LineNr"> 62 </span>  <span class="Comment">// compute value</span>
-<span id="L63" class="LineNr"> 63 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L64" class="LineNr"> 64 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;tried to /lookup 0</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L65" class="LineNr"> 65 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L66" class="LineNr"> 66 </span>  <span class="Delimiter">}</span>
-<span id="L67" class="LineNr"> 67 </span>  lookup_memory_core<span class="Delimiter">(</span>x<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">check_for_null</span><span class="Comment">*/</span><span class="Constant">true</span><span class="Delimiter">);</span>
-<span id="L68" class="LineNr"> 68 </span><span class="Delimiter">}</span>
-<span id="L69" class="LineNr"> 69 </span>
-<span id="L70" class="LineNr"> 70 </span><span class="Normal">void</span> lookup_memory_core<span class="Delimiter">(</span>reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">bool</span> check_for_null<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L71" class="LineNr"> 71 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L72" class="LineNr"> 72 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;location &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>value &lt;&lt; <span class="Constant">&quot; is &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> x<span class="Delimiter">.</span>value<span class="Delimiter">))</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L73" class="LineNr"> 73 </span>  x<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> x<span class="Delimiter">.</span>value<span class="Delimiter">));</span>
-<span id="L74" class="LineNr"> 74 </span>  drop_from_type<span class="Delimiter">(</span>x<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">);</span>
-<span id="L75" class="LineNr"> 75 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>check_for_null &amp;&amp; x<span class="Delimiter">.</span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L76" class="LineNr"> 76 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>Current_routine<span class="Delimiter">)</span>
-<span id="L77" class="LineNr"> 77 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;tried to /lookup 0 in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L78" class="LineNr"> 78 </span>    <span class="Normal">else</span>
-<span id="L79" class="LineNr"> 79 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;tried to /lookup 0</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L49" class="LineNr"> 49 </span><span class="Delimiter">:(scenario lookup_0_dumps_callstack)</span>
+<span id="L50" class="LineNr"> 50 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L51" class="LineNr"> 51 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L52" class="LineNr"> 52 </span>  foo <span class="Constant">0</span>
+<span id="L53" class="LineNr"> 53 </span>]
+<span id="L54" class="LineNr"> 54 </span><span class="muRecipe">def</span> foo [
+<span id="L55" class="LineNr"> 55 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:num<span class="Special"> &lt;- </span>next-input
+<span id="L56" class="LineNr"> 56 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:num/lookup
+<span id="L57" class="LineNr"> 57 </span>]
+<span id="L58" class="LineNr"> 58 </span><span class="traceContains">+error: foo: tried to lookup 0 in '2:num &lt;- copy 1:address:num/lookup'</span>
+<span id="L59" class="LineNr"> 59 </span><span class="traceContains">+error:   called from <a href='000organization.cc.html#L113'>main</a>: foo 0</span>
+<span id="L60" class="LineNr"> 60 </span>
+<span id="L61" class="LineNr"> 61 </span><span class="Delimiter">:(code)</span>
+<span id="L62" class="LineNr"> 62 </span><span class="Normal">void</span> canonize<span class="Delimiter">(</span>reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L63" class="LineNr"> 63 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L64" class="LineNr"> 64 </span>  <span class="Comment">// Begin canonize(x) Lookups</span>
+<span id="L65" class="LineNr"> 65 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>x<span class="Delimiter">,</span> <span class="Constant">&quot;lookup&quot;</span><span class="Delimiter">))</span>
+<span id="L66" class="LineNr"> 66 </span>    lookup_memory<span class="Delimiter">(</span>x<span class="Delimiter">);</span>
+<span id="L67" class="LineNr"> 67 </span><span class="Delimiter">}</span>
+<span id="L68" class="LineNr"> 68 </span>
+<span id="L69" class="LineNr"> 69 </span><span class="Normal">void</span> lookup_memory<span class="Delimiter">(</span>reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L70" class="LineNr"> 70 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type || x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom || x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value != get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L71" class="LineNr"> 71 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;tried to lookup '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;' but it isn't an address</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L72" class="LineNr"> 72 </span>    dump_callstack<span class="Delimiter">();</span>
+<span id="L73" class="LineNr"> 73 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L74" class="LineNr"> 74 </span>  <span class="Delimiter">}</span>
+<span id="L75" class="LineNr"> 75 </span>  <span class="Comment">// compute value</span>
+<span id="L76" class="LineNr"> 76 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L77" class="LineNr"> 77 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;tried to lookup 0</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L78" class="LineNr"> 78 </span>    dump_callstack<span class="Delimiter">();</span>
+<span id="L79" class="LineNr"> 79 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L80" class="LineNr"> 80 </span>  <span class="Delimiter">}</span>
-<span id="L81" class="LineNr"> 81 </span>  drop_one_lookup<span class="Delimiter">(</span>x<span class="Delimiter">);</span>
+<span id="L81" class="LineNr"> 81 </span>  lookup_memory_core<span class="Delimiter">(</span>x<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">check_for_null</span><span class="Comment">*/</span><span class="Constant">true</span><span class="Delimiter">);</span>
 <span id="L82" class="LineNr"> 82 </span><span class="Delimiter">}</span>
 <span id="L83" class="LineNr"> 83 </span>
-<span id="L84" class="LineNr"> 84 </span><span class="Delimiter">:(before &quot;End Preprocess types_strictly_match(reagent to, reagent from)&quot;)</span>
-<span id="L85" class="LineNr"> 85 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L86" class="LineNr"> 86 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>from<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L87" class="LineNr"> 87 </span>
-<span id="L88" class="LineNr"> 88 </span><span class="Delimiter">:(before &quot;End Preprocess is_mu_array(reagent r)&quot;)</span>
-<span id="L89" class="LineNr"> 89 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L90" class="LineNr"> 90 </span>
-<span id="L91" class="LineNr"> 91 </span><span class="Delimiter">:(before &quot;End Preprocess is_mu_address(reagent r)&quot;)</span>
-<span id="L92" class="LineNr"> 92 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L93" class="LineNr"> 93 </span>
-<span id="L94" class="LineNr"> 94 </span><span class="Delimiter">:(before &quot;End Preprocess is_mu_number(reagent r)&quot;)</span>
-<span id="L95" class="LineNr"> 95 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L96" class="LineNr"> 96 </span><span class="Delimiter">:(before &quot;End Preprocess is_mu_boolean(reagent r)&quot;)</span>
-<span id="L97" class="LineNr"> 97 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L98" class="LineNr"> 98 </span><span class="Delimiter">:(before &quot;End Preprocess is_mu_character(reagent r)&quot;)</span>
-<span id="L99" class="LineNr"> 99 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L84" class="LineNr"> 84 </span><span class="Normal">void</span> lookup_memory_core<span class="Delimiter">(</span>reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">bool</span> check_for_null<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L85" class="LineNr"> 85 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L86" class="LineNr"> 86 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;location &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>value &lt;&lt; <span class="Constant">&quot; is &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> x<span class="Delimiter">.</span>value<span class="Delimiter">))</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L87" class="LineNr"> 87 </span>  x<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> x<span class="Delimiter">.</span>value<span class="Delimiter">));</span>
+<span id="L88" class="LineNr"> 88 </span>  drop_from_type<span class="Delimiter">(</span>x<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">);</span>
+<span id="L89" class="LineNr"> 89 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>check_for_null &amp;&amp; x<span class="Delimiter">.</span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L90" class="LineNr"> 90 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>Current_routine<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L91" class="LineNr"> 91 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;tried to lookup 0 in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L92" class="LineNr"> 92 </span>      dump_callstack<span class="Delimiter">();</span>
+<span id="L93" class="LineNr"> 93 </span>    <span class="Delimiter">}</span>
+<span id="L94" class="LineNr"> 94 </span>    <span class="Normal">else</span> <span class="Delimiter">{</span>
+<span id="L95" class="LineNr"> 95 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;tried to lookup 0</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L96" class="LineNr"> 96 </span>    <span class="Delimiter">}</span>
+<span id="L97" class="LineNr"> 97 </span>  <span class="Delimiter">}</span>
+<span id="L98" class="LineNr"> 98 </span>  drop_one_lookup<span class="Delimiter">(</span>x<span class="Delimiter">);</span>
+<span id="L99" class="LineNr"> 99 </span><span class="Delimiter">}</span>
 <span id="L100" class="LineNr">100 </span>
-<span id="L101" class="LineNr">101 </span><span class="Delimiter">:(after &quot;Update product While Type-checking Merge&quot;)</span>
-<span id="L102" class="LineNr">102 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L103" class="LineNr">103 </span>
-<span id="L104" class="LineNr">104 </span><span class="Delimiter">:(before &quot;End Compute Call Ingredient&quot;)</span>
-<span id="L105" class="LineNr">105 </span>canonize_type<span class="Delimiter">(</span>ingredient<span class="Delimiter">);</span>
-<span id="L106" class="LineNr">106 </span><span class="Delimiter">:(before &quot;End Preprocess NEXT_INGREDIENT product&quot;)</span>
-<span id="L107" class="LineNr">107 </span>canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">);</span>
-<span id="L108" class="LineNr">108 </span><span class="Delimiter">:(before &quot;End Check RETURN Copy(lhs, rhs)</span>
-<span id="L109" class="LineNr">109 </span>canonize_type<span class="Delimiter">(</span>lhs<span class="Delimiter">);</span>
-<span id="L110" class="LineNr">110 </span>canonize_type<span class="Delimiter">(</span>rhs<span class="Delimiter">);</span>
-<span id="L111" class="LineNr">111 </span>
-<span id="L112" class="LineNr">112 </span><span class="Delimiter">:(before &quot;Compute Container Size(reagent rcopy)&quot;)</span>
-<span id="L113" class="LineNr">113 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>rcopy<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L114" class="LineNr">114 </span>
-<span id="L115" class="LineNr">115 </span><span class="Delimiter">:(before &quot;Compute Container Size(element, full_type)&quot;)</span>
-<span id="L116" class="LineNr">116 </span>assert<span class="Delimiter">(</span>!has_property<span class="Delimiter">(</span>element<span class="Delimiter">,</span> <span class="Constant">&quot;lookup&quot;</span><span class="Delimiter">));</span>
-<span id="L117" class="LineNr">117 </span><span class="Delimiter">:(before &quot;Compute Exclusive Container Size(element, full_type)&quot;)</span>
-<span id="L118" class="LineNr">118 </span>assert<span class="Delimiter">(</span>!has_property<span class="Delimiter">(</span>element<span class="Delimiter">,</span> <span class="Constant">&quot;lookup&quot;</span><span class="Delimiter">));</span>
-<span id="L119" class="LineNr">119 </span>
-<span id="L120" class="LineNr">120 </span><span class="Delimiter">:(code)</span>
-<span id="L121" class="LineNr">121 </span><span class="Normal">bool</span> canonize_type<span class="Delimiter">(</span>reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L122" class="LineNr">122 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;lookup&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L123" class="LineNr">123 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type || r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom || !r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left || !r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom || r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value != get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L124" class="LineNr">124 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;cannot perform lookup on '&quot;</span> &lt;&lt; r<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' because it has non-address type &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L125" class="LineNr">125 </span>      <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L126" class="LineNr">126 </span>    <span class="Delimiter">}</span>
-<span id="L127" class="LineNr">127 </span>    drop_from_type<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">);</span>
-<span id="L128" class="LineNr">128 </span>    drop_one_lookup<span class="Delimiter">(</span>r<span class="Delimiter">);</span>
-<span id="L129" class="LineNr">129 </span>  <span class="Delimiter">}</span>
-<span id="L130" class="LineNr">130 </span>  <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L131" class="LineNr">131 </span><span class="Delimiter">}</span>
-<span id="L132" class="LineNr">132 </span>
-<span id="L133" class="LineNr">133 </span><span class="Normal">void</span> drop_one_lookup<span class="Delimiter">(</span>reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L134" class="LineNr">134 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>vector&lt;pair&lt;string<span class="Delimiter">,</span> string_tree*&gt; &gt;::iterator p = r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L135" class="LineNr">135 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>first == <span class="Constant">&quot;lookup&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L136" class="LineNr">136 </span>      r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>p<span class="Delimiter">);</span>
-<span id="L137" class="LineNr">137 </span>      <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L138" class="LineNr">138 </span>    <span class="Delimiter">}</span>
-<span id="L139" class="LineNr">139 </span>  <span class="Delimiter">}</span>
-<span id="L140" class="LineNr">140 </span>  assert<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">);</span>
-<span id="L141" class="LineNr">141 </span><span class="Delimiter">}</span>
-<span id="L142" class="LineNr">142 </span>
-<span id="L143" class="LineNr">143 </span><span class="Comment">//: Tedious fixup to support addresses in container/array instructions of previous layers.</span>
-<span id="L144" class="LineNr">144 </span><span class="Comment">//: Most instructions don't require fixup if they use the 'ingredients' and</span>
-<span id="L145" class="LineNr">145 </span><span class="Comment">//: 'products' variables in run_current_routine().</span>
-<span id="L146" class="LineNr">146 </span>
-<span id="L147" class="LineNr">147 </span><span class="Delimiter">:(scenario get_indirect)</span>
-<span id="L148" class="LineNr">148 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L149" class="LineNr">149 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
-<span id="L150" class="LineNr">150 </span>  <span class="Constant">10</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
-<span id="L151" class="LineNr">151 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">35</span>
-<span id="L152" class="LineNr">152 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>get <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point/lookup<span class="Delimiter">,</span> <span class="Constant">0:offset</span>
-<span id="L153" class="LineNr">153 </span>]
-<span id="L154" class="LineNr">154 </span><span class="traceContains">+mem: storing 34 in location 2</span>
-<span id="L155" class="LineNr">155 </span>
-<span id="L156" class="LineNr">156 </span><span class="Delimiter">:(scenario get_indirect2)</span>
-<span id="L157" class="LineNr">157 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L158" class="LineNr">158 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
-<span id="L159" class="LineNr">159 </span>  <span class="Constant">10</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
-<span id="L160" class="LineNr">160 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">35</span>
-<span id="L161" class="LineNr">161 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:num<span class="Special"> &lt;- </span>copy <span class="Constant">20</span>/unsafe
-<span id="L162" class="LineNr">162 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:num/lookup<span class="Special"> &lt;- </span>get <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point/lookup<span class="Delimiter">,</span> <span class="Constant">0:offset</span>
-<span id="L163" class="LineNr">163 </span>]
-<span id="L164" class="LineNr">164 </span><span class="traceContains">+mem: storing 34 in location 20</span>
-<span id="L165" class="LineNr">165 </span>
-<span id="L166" class="LineNr">166 </span><span class="Delimiter">:(scenario include_nonlookup_properties)</span>
-<span id="L167" class="LineNr">167 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L168" class="LineNr">168 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
-<span id="L169" class="LineNr">169 </span>  <span class="Constant">10</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
-<span id="L170" class="LineNr">170 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">35</span>
-<span id="L171" class="LineNr">171 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>get <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point/lookup/foo<span class="Delimiter">,</span> <span class="Constant">0:offset</span>
-<span id="L172" class="LineNr">172 </span>]
-<span id="L173" class="LineNr">173 </span><span class="traceContains">+mem: storing 34 in location 2</span>
-<span id="L174" class="LineNr">174 </span>
-<span id="L175" class="LineNr">175 </span><span class="Delimiter">:(after &quot;Update GET base in Check&quot;)</span>
-<span id="L176" class="LineNr">176 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>base<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L177" class="LineNr">177 </span><span class="Delimiter">:(after &quot;Update GET product in Check&quot;)</span>
-<span id="L178" class="LineNr">178 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L179" class="LineNr">179 </span><span class="Delimiter">:(after &quot;Update GET base in Run&quot;)</span>
-<span id="L180" class="LineNr">180 </span>canonize<span class="Delimiter">(</span>base<span class="Delimiter">);</span>
-<span id="L181" class="LineNr">181 </span>
-<span id="L182" class="LineNr">182 </span><span class="Delimiter">:(scenario put_indirect)</span>
-<span id="L183" class="LineNr">183 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L184" class="LineNr">184 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
-<span id="L185" class="LineNr">185 </span>  <span class="Constant">10</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
-<span id="L186" class="LineNr">186 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">35</span>
-<span id="L187" class="LineNr">187 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point/lookup<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point/lookup<span class="Delimiter">,</span> <span class="Constant">0:offset</span><span class="Delimiter">,</span> <span class="Constant">36</span>
-<span id="L188" class="LineNr">188 </span>]
-<span id="L189" class="LineNr">189 </span><span class="traceContains">+mem: storing 36 in location 10</span>
-<span id="L190" class="LineNr">190 </span>
-<span id="L191" class="LineNr">191 </span><span class="Delimiter">:(after &quot;Update PUT base in Check&quot;)</span>
-<span id="L192" class="LineNr">192 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>base<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L193" class="LineNr">193 </span><span class="Delimiter">:(after &quot;Update PUT offset in Check&quot;)</span>
-<span id="L194" class="LineNr">194 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>offset<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L195" class="LineNr">195 </span><span class="Delimiter">:(after &quot;Update PUT base in Run&quot;)</span>
-<span id="L196" class="LineNr">196 </span>canonize<span class="Delimiter">(</span>base<span class="Delimiter">);</span>
-<span id="L197" class="LineNr">197 </span>
-<span id="L198" class="LineNr">198 </span><span class="Delimiter">:(scenario put_product_error_with_lookup)</span>
-<span id="L199" class="LineNr">199 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L101" class="LineNr">101 </span><span class="Delimiter">:(before &quot;End Preprocess types_strictly_match(reagent to, reagent from)&quot;)</span>
+<span id="L102" class="LineNr">102 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L103" class="LineNr">103 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>from<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L104" class="LineNr">104 </span>
+<span id="L105" class="LineNr">105 </span><span class="Delimiter">:(before &quot;End Preprocess is_mu_array(reagent r)&quot;)</span>
+<span id="L106" class="LineNr">106 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L107" class="LineNr">107 </span>
+<span id="L108" class="LineNr">108 </span><span class="Delimiter">:(before &quot;End Preprocess is_mu_address(reagent r)&quot;)</span>
+<span id="L109" class="LineNr">109 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L110" class="LineNr">110 </span>
+<span id="L111" class="LineNr">111 </span><span class="Delimiter">:(before &quot;End Preprocess is_mu_number(reagent r)&quot;)</span>
+<span id="L112" class="LineNr">112 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L113" class="LineNr">113 </span><span class="Delimiter">:(before &quot;End Preprocess is_mu_boolean(reagent r)&quot;)</span>
+<span id="L114" class="LineNr">114 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L115" class="LineNr">115 </span><span class="Delimiter">:(before &quot;End Preprocess is_mu_character(reagent r)&quot;)</span>
+<span id="L116" class="LineNr">116 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>r<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L117" class="LineNr">117 </span>
+<span id="L118" class="LineNr">118 </span><span class="Delimiter">:(after &quot;Update product While Type-checking Merge&quot;)</span>
+<span id="L119" class="LineNr">119 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L120" class="LineNr">120 </span>
+<span id="L121" class="LineNr">121 </span><span class="Delimiter">:(before &quot;End Compute Call Ingredient&quot;)</span>
+<span id="L122" class="LineNr">122 </span>canonize_type<span class="Delimiter">(</span>ingredient<span class="Delimiter">);</span>
+<span id="L123" class="LineNr">123 </span><span class="Delimiter">:(before &quot;End Preprocess NEXT_INGREDIENT product&quot;)</span>
+<span id="L124" class="LineNr">124 </span>canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">);</span>
+<span id="L125" class="LineNr">125 </span><span class="Delimiter">:(before &quot;End Check RETURN Copy(lhs, rhs)</span>
+<span id="L126" class="LineNr">126 </span>canonize_type<span class="Delimiter">(</span>lhs<span class="Delimiter">);</span>
+<span id="L127" class="LineNr">127 </span>canonize_type<span class="Delimiter">(</span>rhs<span class="Delimiter">);</span>
+<span id="L128" class="LineNr">128 </span>
+<span id="L129" class="LineNr">129 </span><span class="Delimiter">:(before &quot;Compute Container Size(reagent rcopy)&quot;)</span>
+<span id="L130" class="LineNr">130 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>rcopy<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L131" class="LineNr">131 </span>
+<span id="L132" class="LineNr">132 </span><span class="Delimiter">:(before &quot;Compute Container Size(element, full_type)&quot;)</span>
+<span id="L133" class="LineNr">133 </span>assert<span class="Delimiter">(</span>!has_property<span class="Delimiter">(</span>element<span class="Delimiter">,</span> <span class="Constant">&quot;lookup&quot;</span><span class="Delimiter">));</span>
+<span id="L134" class="LineNr">134 </span><span class="Delimiter">:(before &quot;Compute Exclusive Container Size(element, full_type)&quot;)</span>
+<span id="L135" class="LineNr">135 </span>assert<span class="Delimiter">(</span>!has_property<span class="Delimiter">(</span>element<span class="Delimiter">,</span> <span class="Constant">&quot;lookup&quot;</span><span class="Delimiter">));</span>
+<span id="L136" class="LineNr">136 </span>
+<span id="L137" class="LineNr">137 </span><span class="Delimiter">:(code)</span>
+<span id="L138" class="LineNr">138 </span><span class="Normal">bool</span> canonize_type<span class="Delimiter">(</span>reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L139" class="LineNr">139 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;lookup&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L140" class="LineNr">140 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type || r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom || !r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left || !r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom || r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value != get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L141" class="LineNr">141 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;cannot perform lookup on '&quot;</span> &lt;&lt; r<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' because it has non-address type &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L142" class="LineNr">142 </span>      <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L143" class="LineNr">143 </span>    <span class="Delimiter">}</span>
+<span id="L144" class="LineNr">144 </span>    drop_from_type<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">);</span>
+<span id="L145" class="LineNr">145 </span>    drop_one_lookup<span class="Delimiter">(</span>r<span class="Delimiter">);</span>
+<span id="L146" class="LineNr">146 </span>  <span class="Delimiter">}</span>
+<span id="L147" class="LineNr">147 </span>  <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L148" class="LineNr">148 </span><span class="Delimiter">}</span>
+<span id="L149" class="LineNr">149 </span>
+<span id="L150" class="LineNr">150 </span><span class="Normal">void</span> drop_one_lookup<span class="Delimiter">(</span>reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L151" class="LineNr">151 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>vector&lt;pair&lt;string<span class="Delimiter">,</span> string_tree*&gt; &gt;::iterator p = r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L152" class="LineNr">152 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>first == <span class="Constant">&quot;lookup&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L153" class="LineNr">153 </span>      r<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>p<span class="Delimiter">);</span>
+<span id="L154" class="LineNr">154 </span>      <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L155" class="LineNr">155 </span>    <span class="Delimiter">}</span>
+<span id="L156" class="LineNr">156 </span>  <span class="Delimiter">}</span>
+<span id="L157" class="LineNr">157 </span>  assert<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">);</span>
+<span id="L158" class="LineNr">158 </span><span class="Delimiter">}</span>
+<span id="L159" class="LineNr">159 </span>
+<span id="L160" class="LineNr">160 </span><span class="Comment">//: Tedious fixup to support addresses in container/array instructions of previous layers.</span>
+<span id="L161" class="LineNr">161 </span><span class="Comment">//: Most instructions don't require fixup if they use the 'ingredients' and</span>
+<span id="L162" class="LineNr">162 </span><span class="Comment">//: 'products' variables in run_current_routine().</span>
+<span id="L163" class="LineNr">163 </span>
+<span id="L164" class="LineNr">164 </span><span class="Delimiter">:(scenario get_indirect)</span>
+<span id="L165" class="LineNr">165 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L166" class="LineNr">166 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
+<span id="L167" class="LineNr">167 </span>  <span class="Constant">10</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
+<span id="L168" class="LineNr">168 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">35</span>
+<span id="L169" class="LineNr">169 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>get <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point/lookup<span class="Delimiter">,</span> <span class="Constant">0:offset</span>
+<span id="L170" class="LineNr">170 </span>]
+<span id="L171" class="LineNr">171 </span><span class="traceContains">+mem: storing 34 in location 2</span>
+<span id="L172" class="LineNr">172 </span>
+<span id="L173" class="LineNr">173 </span><span class="Delimiter">:(scenario get_indirect2)</span>
+<span id="L174" class="LineNr">174 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L175" class="LineNr">175 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
+<span id="L176" class="LineNr">176 </span>  <span class="Constant">10</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
+<span id="L177" class="LineNr">177 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">35</span>
+<span id="L178" class="LineNr">178 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:num<span class="Special"> &lt;- </span>copy <span class="Constant">20</span>/unsafe
+<span id="L179" class="LineNr">179 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:num/lookup<span class="Special"> &lt;- </span>get <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point/lookup<span class="Delimiter">,</span> <span class="Constant">0:offset</span>
+<span id="L180" class="LineNr">180 </span>]
+<span id="L181" class="LineNr">181 </span><span class="traceContains">+mem: storing 34 in location 20</span>
+<span id="L182" class="LineNr">182 </span>
+<span id="L183" class="LineNr">183 </span><span class="Delimiter">:(scenario include_nonlookup_properties)</span>
+<span id="L184" class="LineNr">184 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L185" class="LineNr">185 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
+<span id="L186" class="LineNr">186 </span>  <span class="Constant">10</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
+<span id="L187" class="LineNr">187 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">35</span>
+<span id="L188" class="LineNr">188 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>get <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point/lookup/foo<span class="Delimiter">,</span> <span class="Constant">0:offset</span>
+<span id="L189" class="LineNr">189 </span>]
+<span id="L190" class="LineNr">190 </span><span class="traceContains">+mem: storing 34 in location 2</span>
+<span id="L191" class="LineNr">191 </span>
+<span id="L192" class="LineNr">192 </span><span class="Delimiter">:(after &quot;Update GET base in Check&quot;)</span>
+<span id="L193" class="LineNr">193 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>base<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L194" class="LineNr">194 </span><span class="Delimiter">:(after &quot;Update GET product in Check&quot;)</span>
+<span id="L195" class="LineNr">195 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L196" class="LineNr">196 </span><span class="Delimiter">:(after &quot;Update GET base in Run&quot;)</span>
+<span id="L197" class="LineNr">197 </span>canonize<span class="Delimiter">(</span>base<span class="Delimiter">);</span>
+<span id="L198" class="LineNr">198 </span>
+<span id="L199" class="LineNr">199 </span><span class="Delimiter">:(scenario put_indirect)</span>
 <span id="L200" class="LineNr">200 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
 <span id="L201" class="LineNr">201 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
 <span id="L202" class="LineNr">202 </span>  <span class="Constant">10</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
 <span id="L203" class="LineNr">203 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">35</span>
-<span id="L204" class="LineNr">204 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point/lookup<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">36</span>
+<span id="L204" class="LineNr">204 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point/lookup<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point/lookup<span class="Delimiter">,</span> <span class="Constant">0:offset</span><span class="Delimiter">,</span> <span class="Constant">36</span>
 <span id="L205" class="LineNr">205 </span>]
-<span id="L206" class="LineNr">206 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product of 'put' must be first ingredient '1:address:point/lookup', but got '1:address:point'</span>
+<span id="L206" class="LineNr">206 </span><span class="traceContains">+mem: storing 36 in location 10</span>
 <span id="L207" class="LineNr">207 </span>
-<span id="L208" class="LineNr">208 </span><span class="Delimiter">:(before &quot;End PUT Product Checks&quot;)</span>
-<span id="L209" class="LineNr">209 </span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> p = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L210" class="LineNr">210 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>p<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
-<span id="L211" class="LineNr">211 </span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> i = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L212" class="LineNr">212 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>i<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
-<span id="L213" class="LineNr">213 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!types_strictly_match<span class="Delimiter">(</span>p<span class="Delimiter">,</span> i<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L214" class="LineNr">214 </span>  <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;product of 'put' must be first ingredient '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;', but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L215" class="LineNr">215 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L216" class="LineNr">216 </span><span class="Delimiter">}</span>
-<span id="L217" class="LineNr">217 </span>
-<span id="L218" class="LineNr">218 </span><span class="Delimiter">:(scenario new_error)</span>
-<span id="L219" class="LineNr">219 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L220" class="LineNr">220 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L221" class="LineNr">221 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
+<span id="L208" class="LineNr">208 </span><span class="Delimiter">:(after &quot;Update PUT base in Check&quot;)</span>
+<span id="L209" class="LineNr">209 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>base<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L210" class="LineNr">210 </span><span class="Delimiter">:(after &quot;Update PUT offset in Check&quot;)</span>
+<span id="L211" class="LineNr">211 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>offset<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L212" class="LineNr">212 </span><span class="Delimiter">:(after &quot;Update PUT base in Run&quot;)</span>
+<span id="L213" class="LineNr">213 </span>canonize<span class="Delimiter">(</span>base<span class="Delimiter">);</span>
+<span id="L214" class="LineNr">214 </span>
+<span id="L215" class="LineNr">215 </span><span class="Delimiter">:(scenario put_product_error_with_lookup)</span>
+<span id="L216" class="LineNr">216 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L217" class="LineNr">217 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L218" class="LineNr">218 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
+<span id="L219" class="LineNr">219 </span>  <span class="Constant">10</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
+<span id="L220" class="LineNr">220 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">35</span>
+<span id="L221" class="LineNr">221 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:point/lookup<span class="Delimiter">,</span> <span class="Constant">x:offset</span><span class="Delimiter">,</span> <span class="Constant">36</span>
 <span id="L222" class="LineNr">222 </span>]
-<span id="L223" class="LineNr">223 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product of 'new' has incorrect type: '1:num/raw &lt;- new number:type'</span>
+<span id="L223" class="LineNr">223 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product of 'put' must be first ingredient '1:address:point/lookup', but got '1:address:point'</span>
 <span id="L224" class="LineNr">224 </span>
-<span id="L225" class="LineNr">225 </span><span class="Delimiter">:(after &quot;Update NEW product in Check&quot;)</span>
-<span id="L226" class="LineNr">226 </span>canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">);</span>
-<span id="L227" class="LineNr">227 </span>
-<span id="L228" class="LineNr">228 </span><span class="Delimiter">:(scenario copy_array_indirect)</span>
-<span id="L229" class="LineNr">229 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L230" class="LineNr">230 </span>  <span class="Constant">10</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
-<span id="L231" class="LineNr">231 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
-<span id="L232" class="LineNr">232 </span>  <span class="Constant">12</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
-<span id="L233" class="LineNr">233 </span>  <span class="Constant">13</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
-<span id="L234" class="LineNr">234 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
-<span id="L235" class="LineNr">235 </span>  <span class="Constant">2</span>:array:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num/lookup
-<span id="L236" class="LineNr">236 </span>]
-<span id="L237" class="LineNr">237 </span><span class="traceContains">+mem: storing 3 in location 2</span>
-<span id="L238" class="LineNr">238 </span><span class="traceContains">+mem: storing 14 in location 3</span>
-<span id="L239" class="LineNr">239 </span><span class="traceContains">+mem: storing 15 in location 4</span>
-<span id="L240" class="LineNr">240 </span><span class="traceContains">+mem: storing 16 in location 5</span>
+<span id="L225" class="LineNr">225 </span><span class="Delimiter">:(before &quot;End PUT Product Checks&quot;)</span>
+<span id="L226" class="LineNr">226 </span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> p = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L227" class="LineNr">227 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>p<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
+<span id="L228" class="LineNr">228 </span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> i = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L229" class="LineNr">229 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>i<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
+<span id="L230" class="LineNr">230 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!types_strictly_match<span class="Delimiter">(</span>p<span class="Delimiter">,</span> i<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L231" class="LineNr">231 </span>  <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;product of 'put' must be first ingredient '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;', but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L232" class="LineNr">232 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L233" class="LineNr">233 </span><span class="Delimiter">}</span>
+<span id="L234" class="LineNr">234 </span>
+<span id="L235" class="LineNr">235 </span><span class="Delimiter">:(scenario new_error)</span>
+<span id="L236" class="LineNr">236 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L237" class="LineNr">237 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L238" class="LineNr">238 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
+<span id="L239" class="LineNr">239 </span>]
+<span id="L240" class="LineNr">240 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product of 'new' has incorrect type: '1:num/raw &lt;- new number:type'</span>
 <span id="L241" class="LineNr">241 </span>
-<span id="L242" class="LineNr">242 </span><span class="Delimiter">:(scenario create_array_indirect)</span>
-<span id="L243" class="LineNr">243 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L244" class="LineNr">244 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>copy <span class="Constant">1000</span>/unsafe  <span class="Comment"># pretend allocation</span>
-<span id="L245" class="LineNr">245 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num:<span class="Constant">3</span>/lookup<span class="Special"> &lt;- </span>create-array
-<span id="L246" class="LineNr">246 </span>]
-<span id="L247" class="LineNr">247 </span><span class="traceContains">+mem: storing 3 in location 1000</span>
-<span id="L248" class="LineNr">248 </span>
-<span id="L249" class="LineNr">249 </span><span class="Delimiter">:(after &quot;Update CREATE_ARRAY product in Check&quot;)</span>
-<span id="L250" class="LineNr">250 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L251" class="LineNr">251 </span><span class="Delimiter">:(after &quot;Update CREATE_ARRAY product in Run&quot;)</span>
-<span id="L252" class="LineNr">252 </span>canonize<span class="Delimiter">(</span>product<span class="Delimiter">);</span>
-<span id="L253" class="LineNr">253 </span>
-<span id="L254" class="LineNr">254 </span><span class="Delimiter">:(scenario index_indirect)</span>
-<span id="L255" class="LineNr">255 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L256" class="LineNr">256 </span>  <span class="Constant">10</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
-<span id="L257" class="LineNr">257 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
-<span id="L258" class="LineNr">258 </span>  <span class="Constant">12</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
-<span id="L259" class="LineNr">259 </span>  <span class="Constant">13</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
-<span id="L260" class="LineNr">260 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
-<span id="L261" class="LineNr">261 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>index <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num/lookup<span class="Delimiter">,</span> <span class="Constant">1</span>
-<span id="L262" class="LineNr">262 </span>]
-<span id="L263" class="LineNr">263 </span><span class="traceContains">+mem: storing 15 in location 2</span>
-<span id="L264" class="LineNr">264 </span>
-<span id="L265" class="LineNr">265 </span><span class="Delimiter">:(before &quot;Update INDEX base in Check&quot;)</span>
-<span id="L266" class="LineNr">266 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>base<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L267" class="LineNr">267 </span><span class="Delimiter">:(before &quot;Update INDEX index in Check&quot;)</span>
-<span id="L268" class="LineNr">268 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>index<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L269" class="LineNr">269 </span><span class="Delimiter">:(before &quot;Update INDEX product in Check&quot;)</span>
-<span id="L270" class="LineNr">270 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L271" class="LineNr">271 </span>
-<span id="L272" class="LineNr">272 </span><span class="Delimiter">:(before &quot;Update INDEX base in Run&quot;)</span>
-<span id="L273" class="LineNr">273 </span>canonize<span class="Delimiter">(</span>base<span class="Delimiter">);</span>
-<span id="L274" class="LineNr">274 </span><span class="Delimiter">:(before &quot;Update INDEX index in Run&quot;)</span>
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-<span id="L311" class="LineNr">311 </span>
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-<span id="L314" class="LineNr">314 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>p<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
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-<span id="L316" class="LineNr">316 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>i<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
-<span id="L317" class="LineNr">317 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!types_strictly_match<span class="Delimiter">(</span>p<span class="Delimiter">,</span> i<span class="Delimiter">))</span> <span class="Delimiter">{</span>
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-<span id="L335" class="LineNr">335 </span><span class="Delimiter">:(before &quot;Update PUT_INDEX index in Check&quot;)</span>
-<span id="L336" class="LineNr">336 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>index<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L337" class="LineNr">337 </span><span class="Delimiter">:(before &quot;Update PUT_INDEX value in Check&quot;)</span>
-<span id="L338" class="LineNr">338 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>value<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
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-<span id="L343" class="LineNr">343 </span>canonize<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
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-<span id="L392" class="LineNr">392 </span><span class="Delimiter">:(before &quot;Update MAYBE_CONVERT product in Check&quot;)</span>
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-<span id="L394" class="LineNr">394 </span><span class="Delimiter">:(before &quot;Update MAYBE_CONVERT status in Check&quot;)</span>
-<span id="L395" class="LineNr">395 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>status<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L242" class="LineNr">242 </span><span class="Delimiter">:(after &quot;Update NEW product in Check&quot;)</span>
+<span id="L243" class="LineNr">243 </span>canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">);</span>
+<span id="L244" class="LineNr">244 </span>
+<span id="L245" class="LineNr">245 </span><span class="Delimiter">:(scenario copy_array_indirect)</span>
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+<span id="L248" class="LineNr">248 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L249" class="LineNr">249 </span>  <span class="Constant">12</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L250" class="LineNr">250 </span>  <span class="Constant">13</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L251" class="LineNr">251 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
+<span id="L252" class="LineNr">252 </span>  <span class="Constant">2</span>:array:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num/lookup
+<span id="L253" class="LineNr">253 </span>]
+<span id="L254" class="LineNr">254 </span><span class="traceContains">+mem: storing 3 in location 2</span>
+<span id="L255" class="LineNr">255 </span><span class="traceContains">+mem: storing 14 in location 3</span>
+<span id="L256" class="LineNr">256 </span><span class="traceContains">+mem: storing 15 in location 4</span>
+<span id="L257" class="LineNr">257 </span><span class="traceContains">+mem: storing 16 in location 5</span>
+<span id="L258" class="LineNr">258 </span>
+<span id="L259" class="LineNr">259 </span><span class="Delimiter">:(scenario create_array_indirect)</span>
+<span id="L260" class="LineNr">260 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L261" class="LineNr">261 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>copy <span class="Constant">1000</span>/unsafe  <span class="Comment"># pretend allocation</span>
+<span id="L262" class="LineNr">262 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num:<span class="Constant">3</span>/lookup<span class="Special"> &lt;- </span>create-array
+<span id="L263" class="LineNr">263 </span>]
+<span id="L264" class="LineNr">264 </span><span class="traceContains">+mem: storing 3 in location 1000</span>
+<span id="L265" class="LineNr">265 </span>
+<span id="L266" class="LineNr">266 </span><span class="Delimiter">:(after &quot;Update CREATE_ARRAY product in Check&quot;)</span>
+<span id="L267" class="LineNr">267 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L268" class="LineNr">268 </span><span class="Delimiter">:(after &quot;Update CREATE_ARRAY product in Run&quot;)</span>
+<span id="L269" class="LineNr">269 </span>canonize<span class="Delimiter">(</span>product<span class="Delimiter">);</span>
+<span id="L270" class="LineNr">270 </span>
+<span id="L271" class="LineNr">271 </span><span class="Delimiter">:(scenario index_indirect)</span>
+<span id="L272" class="LineNr">272 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L273" class="LineNr">273 </span>  <span class="Constant">10</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
+<span id="L274" class="LineNr">274 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L275" class="LineNr">275 </span>  <span class="Constant">12</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L276" class="LineNr">276 </span>  <span class="Constant">13</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L277" class="LineNr">277 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
+<span id="L278" class="LineNr">278 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>index <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num/lookup<span class="Delimiter">,</span> <span class="Constant">1</span>
+<span id="L279" class="LineNr">279 </span>]
+<span id="L280" class="LineNr">280 </span><span class="traceContains">+mem: storing 15 in location 2</span>
+<span id="L281" class="LineNr">281 </span>
+<span id="L282" class="LineNr">282 </span><span class="Delimiter">:(before &quot;Update INDEX base in Check&quot;)</span>
+<span id="L283" class="LineNr">283 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>base<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L284" class="LineNr">284 </span><span class="Delimiter">:(before &quot;Update INDEX index in Check&quot;)</span>
+<span id="L285" class="LineNr">285 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>index<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L286" class="LineNr">286 </span><span class="Delimiter">:(before &quot;Update INDEX product in Check&quot;)</span>
+<span id="L287" class="LineNr">287 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L288" class="LineNr">288 </span>
+<span id="L289" class="LineNr">289 </span><span class="Delimiter">:(before &quot;Update INDEX base in Run&quot;)</span>
+<span id="L290" class="LineNr">290 </span>canonize<span class="Delimiter">(</span>base<span class="Delimiter">);</span>
+<span id="L291" class="LineNr">291 </span><span class="Delimiter">:(before &quot;Update INDEX index in Run&quot;)</span>
+<span id="L292" class="LineNr">292 </span>canonize<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
+<span id="L293" class="LineNr">293 </span>
+<span id="L294" class="LineNr">294 </span><span class="Delimiter">:(scenario put_index_indirect)</span>
+<span id="L295" class="LineNr">295 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L296" class="LineNr">296 </span>  <span class="Constant">10</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
+<span id="L297" class="LineNr">297 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L298" class="LineNr">298 </span>  <span class="Constant">12</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L299" class="LineNr">299 </span>  <span class="Constant">13</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L300" class="LineNr">300 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
+<span id="L301" class="LineNr">301 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num/lookup<span class="Special"> &lt;- </span>put-index <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num/lookup<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L302" class="LineNr">302 </span>]
+<span id="L303" class="LineNr">303 </span><span class="traceContains">+mem: storing 34 in location 12</span>
+<span id="L304" class="LineNr">304 </span>
+<span id="L305" class="LineNr">305 </span><span class="Delimiter">:(scenario put_index_indirect_2)</span>
+<span id="L306" class="LineNr">306 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L307" class="LineNr">307 </span>  <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
+<span id="L308" class="LineNr">308 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L309" class="LineNr">309 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L310" class="LineNr">310 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L311" class="LineNr">311 </span>  <span class="Constant">5</span>:<a href='043space.cc.html#L80'>address</a>:num<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
+<span id="L312" class="LineNr">312 </span>  <span class="Constant">10</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>
+<span id="L313" class="LineNr">313 </span>  <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>put-index <span class="Constant">1</span>:array:num:<span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">5</span>:<a href='043space.cc.html#L80'>address</a>:num/lookup<span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L314" class="LineNr">314 </span>]
+<span id="L315" class="LineNr">315 </span><span class="traceContains">+mem: storing 34 in location 3</span>
+<span id="L316" class="LineNr">316 </span>
+<span id="L317" class="LineNr">317 </span><span class="Delimiter">:(scenario put_index_product_error_with_lookup)</span>
+<span id="L318" class="LineNr">318 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L319" class="LineNr">319 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L320" class="LineNr">320 </span>  <span class="Constant">10</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
+<span id="L321" class="LineNr">321 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L322" class="LineNr">322 </span>  <span class="Constant">12</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L323" class="LineNr">323 </span>  <span class="Constant">13</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L324" class="LineNr">324 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
+<span id="L325" class="LineNr">325 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num<span class="Special"> &lt;- </span>put-index <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num/lookup<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L326" class="LineNr">326 </span>]
+<span id="L327" class="LineNr">327 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product of 'put-index' must be first ingredient '1:address:array:num/lookup', but got '1:address:array:num'</span>
+<span id="L328" class="LineNr">328 </span>
+<span id="L329" class="LineNr">329 </span><span class="Delimiter">:(before &quot;End PUT_INDEX Product Checks&quot;)</span>
+<span id="L330" class="LineNr">330 </span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> p = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L331" class="LineNr">331 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>p<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
+<span id="L332" class="LineNr">332 </span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> i = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L333" class="LineNr">333 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>i<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
+<span id="L334" class="LineNr">334 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!types_strictly_match<span class="Delimiter">(</span>p<span class="Delimiter">,</span> i<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L335" class="LineNr">335 </span>  <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;product of 'put-index' must be first ingredient '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;', but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L336" class="LineNr">336 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L337" class="LineNr">337 </span><span class="Delimiter">}</span>
+<span id="L338" class="LineNr">338 </span>
+<span id="L339" class="LineNr">339 </span><span class="Delimiter">:(scenario dilated_reagent_in_static_array)</span>
+<span id="L340" class="LineNr">340 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L341" class="LineNr">341 </span>  <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span>array <span class="Delimiter">(</span><a href='043space.cc.html#L80'>address</a> number<span class="Delimiter">)</span> <span class="Constant">3</span><span class="Delimiter">)}</span><span class="Special"> &lt;- </span>create-array
+<span id="L342" class="LineNr">342 </span>  <span class="Constant">5</span>:<a href='043space.cc.html#L80'>address</a>:num<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
+<span id="L343" class="LineNr">343 </span>  <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span>array <span class="Delimiter">(</span><a href='043space.cc.html#L80'>address</a> number<span class="Delimiter">)</span> <span class="Constant">3</span><span class="Delimiter">)}</span><span class="Special"> &lt;- </span>put-index <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span>array <span class="Delimiter">(</span><a href='043space.cc.html#L80'>address</a> number<span class="Delimiter">)</span> <span class="Constant">3</span><span class="Delimiter">)},</span> <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">5</span>:<a href='043space.cc.html#L80'>address</a>:num
+<span id="L344" class="LineNr">344 </span>  *<span class="Constant">5</span>:<a href='043space.cc.html#L80'>address</a>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
+<span id="L345" class="LineNr">345 </span>  <span class="Constant">6</span>:num<span class="Special"> &lt;- </span>copy *<span class="Constant">5</span>:<a href='043space.cc.html#L80'>address</a>:num
+<span id="L346" class="LineNr">346 </span>]
+<span id="L347" class="LineNr">347 </span><span class="traceContains">+run: creating array of size 4</span>
+<span id="L348" class="LineNr">348 </span><span class="traceContains">+mem: storing 34 in location 6</span>
+<span id="L349" class="LineNr">349 </span>
+<span id="L350" class="LineNr">350 </span><span class="Delimiter">:(before &quot;Update PUT_INDEX base in Check&quot;)</span>
+<span id="L351" class="LineNr">351 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>base<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L352" class="LineNr">352 </span><span class="Delimiter">:(before &quot;Update PUT_INDEX index in Check&quot;)</span>
+<span id="L353" class="LineNr">353 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>index<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L354" class="LineNr">354 </span><span class="Delimiter">:(before &quot;Update PUT_INDEX value in Check&quot;)</span>
+<span id="L355" class="LineNr">355 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>value<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L356" class="LineNr">356 </span>
+<span id="L357" class="LineNr">357 </span><span class="Delimiter">:(before &quot;Update PUT_INDEX base in Run&quot;)</span>
+<span id="L358" class="LineNr">358 </span>canonize<span class="Delimiter">(</span>base<span class="Delimiter">);</span>
+<span id="L359" class="LineNr">359 </span><span class="Delimiter">:(before &quot;Update PUT_INDEX index in Run&quot;)</span>
+<span id="L360" class="LineNr">360 </span>canonize<span class="Delimiter">(</span>index<span class="Delimiter">);</span>
+<span id="L361" class="LineNr">361 </span>
+<span id="L362" class="LineNr">362 </span><span class="Delimiter">:(scenario length_indirect)</span>
+<span id="L363" class="LineNr">363 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L364" class="LineNr">364 </span>  <span class="Constant">10</span>:array:num:<span class="Constant">3</span><span class="Special"> &lt;- </span>create-array
+<span id="L365" class="LineNr">365 </span>  <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>
+<span id="L366" class="LineNr">366 </span>  <span class="Constant">12</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>
+<span id="L367" class="LineNr">367 </span>  <span class="Constant">13</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>
+<span id="L368" class="LineNr">368 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
+<span id="L369" class="LineNr">369 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>length <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:array:num/lookup
+<span id="L370" class="LineNr">370 </span>]
+<span id="L371" class="LineNr">371 </span><span class="traceContains">+mem: storing 3 in location 2</span>
+<span id="L372" class="LineNr">372 </span>
+<span id="L373" class="LineNr">373 </span><span class="Delimiter">:(before &quot;Update LENGTH array in Check&quot;)</span>
+<span id="L374" class="LineNr">374 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>array<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L375" class="LineNr">375 </span><span class="Delimiter">:(before &quot;Update LENGTH array in Run&quot;)</span>
+<span id="L376" class="LineNr">376 </span>canonize<span class="Delimiter">(</span>array<span class="Delimiter">);</span>
+<span id="L377" class="LineNr">377 </span>
+<span id="L378" class="LineNr">378 </span><span class="Delimiter">:(scenario maybe_convert_indirect)</span>
+<span id="L379" class="LineNr">379 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L380" class="LineNr">380 </span>  <span class="Constant">10</span>:number-<span class="Normal">or</span>-point<span class="Special"> &lt;- </span>merge <span class="Constant">0</span>/number<span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L381" class="LineNr">381 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:number-<span class="Normal">or</span>-point<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
+<span id="L382" class="LineNr">382 </span>  <span class="Constant">2</span>:num<span class="Delimiter">,</span> <span class="Constant">3</span>:<span class="Normal">bool</span><span class="Special"> &lt;- </span>maybe-convert <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:number-<span class="Normal">or</span>-point/lookup<span class="Delimiter">,</span> <span class="Constant">i:variant</span>
+<span id="L383" class="LineNr">383 </span>]
+<span id="L384" class="LineNr">384 </span><span class="traceContains">+mem: storing 1 in location 3</span>
+<span id="L385" class="LineNr">385 </span><span class="traceContains">+mem: storing 34 in location 2</span>
+<span id="L386" class="LineNr">386 </span>
+<span id="L387" class="LineNr">387 </span><span class="Delimiter">:(scenario maybe_convert_indirect_2)</span>
+<span id="L388" class="LineNr">388 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L389" class="LineNr">389 </span>  <span class="Constant">10</span>:number-<span class="Normal">or</span>-point<span class="Special"> &lt;- </span>merge <span class="Constant">0</span>/number<span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L390" class="LineNr">390 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:number-<span class="Normal">or</span>-point<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
+<span id="L391" class="LineNr">391 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:num<span class="Special"> &lt;- </span>copy <span class="Constant">20</span>/unsafe
+<span id="L392" class="LineNr">392 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:num/lookup<span class="Delimiter">,</span> <span class="Constant">3</span>:<span class="Normal">bool</span><span class="Special"> &lt;- </span>maybe-convert <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:number-<span class="Normal">or</span>-point/lookup<span class="Delimiter">,</span> <span class="Constant">i:variant</span>
+<span id="L393" class="LineNr">393 </span>]
+<span id="L394" class="LineNr">394 </span><span class="traceContains">+mem: storing 1 in location 3</span>
+<span id="L395" class="LineNr">395 </span><span class="traceContains">+mem: storing 34 in location 20</span>
 <span id="L396" class="LineNr">396 </span>
-<span id="L397" class="LineNr">397 </span><span class="Delimiter">:(before &quot;Update MAYBE_CONVERT base in Run&quot;)</span>
-<span id="L398" class="LineNr">398 </span>canonize<span class="Delimiter">(</span>base<span class="Delimiter">);</span>
-<span id="L399" class="LineNr">399 </span><span class="Delimiter">:(before &quot;Update MAYBE_CONVERT product in Run&quot;)</span>
-<span id="L400" class="LineNr">400 </span>canonize<span class="Delimiter">(</span>product<span class="Delimiter">);</span>
-<span id="L401" class="LineNr">401 </span><span class="Delimiter">:(before &quot;Update MAYBE_CONVERT status in Run&quot;)</span>
-<span id="L402" class="LineNr">402 </span>canonize<span class="Delimiter">(</span>status<span class="Delimiter">);</span>
-<span id="L403" class="LineNr">403 </span>
-<span id="L404" class="LineNr">404 </span><span class="Delimiter">:(scenario merge_exclusive_container_indirect)</span>
-<span id="L405" class="LineNr">405 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L406" class="LineNr">406 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:number-<span class="Normal">or</span>-point<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
-<span id="L407" class="LineNr">407 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:number-<span class="Normal">or</span>-point/lookup<span class="Special"> &lt;- </span>merge <span class="Constant">0</span>/number<span class="Delimiter">,</span> <span class="Constant">34</span>
-<span id="L408" class="LineNr">408 </span>]
-<span id="L409" class="LineNr">409 </span><span class="traceContains">+mem: storing 0 in location 10</span>
-<span id="L410" class="LineNr">410 </span><span class="traceContains">+mem: storing 34 in location 11</span>
-<span id="L411" class="LineNr">411 </span>
-<span id="L412" class="LineNr">412 </span><span class="Delimiter">:(before &quot;Update size_mismatch Check for MERGE(x)</span>
-<span id="L413" class="LineNr">413 </span>canonize<span class="Delimiter">(</span>x<span class="Delimiter">);</span>
-<span id="L414" class="LineNr">414 </span>
-<span id="L415" class="LineNr">415 </span><span class="Comment">//: abbreviation for '/lookup': a prefix '*'</span>
-<span id="L416" class="LineNr">416 </span>
-<span id="L417" class="LineNr">417 </span><span class="Delimiter">:(scenario lookup_abbreviation)</span>
-<span id="L418" class="LineNr">418 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L419" class="LineNr">419 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:number<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
-<span id="L420" class="LineNr">420 </span>  <span class="Constant">10</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
-<span id="L421" class="LineNr">421 </span>  <span class="Constant">3</span>:number<span class="Special"> &lt;- </span>copy *<span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:number
-<span id="L422" class="LineNr">422 </span>]
-<span id="L423" class="LineNr">423 </span><span class="traceContains">+parse: ingredient: {1: (&quot;address&quot; &quot;number&quot;), &quot;lookup&quot;: ()}</span>
-<span id="L424" class="LineNr">424 </span><span class="traceContains">+mem: storing 34 in location 3</span>
-<span id="L425" class="LineNr">425 </span>
-<span id="L426" class="LineNr">426 </span><span class="Delimiter">:(before &quot;End Parsing reagent&quot;)</span>
-<span id="L427" class="LineNr">427 </span><span class="Delimiter">{</span>
-<span id="L428" class="LineNr">428 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L77'>starts_with</a><span class="Delimiter">(</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;*&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L429" class="LineNr">429 </span>    name<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L430" class="LineNr">430 </span>    properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;string<span class="Delimiter">,</span> string_tree*&gt;<span class="Delimiter">(</span><span class="Constant">&quot;lookup&quot;</span><span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">));</span>
-<span id="L431" class="LineNr">431 </span>  <span class="Delimiter">}</span>
-<span id="L432" class="LineNr">432 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>name<span class="Delimiter">.</span>empty<span class="Delimiter">())</span>
-<span id="L433" class="LineNr">433 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;illegal name '&quot;</span> &lt;&lt; original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L434" class="LineNr">434 </span><span class="Delimiter">}</span>
-<span id="L435" class="LineNr">435 </span>
-<span id="L436" class="LineNr">436 </span><span class="SalientComment">//:: helpers for debugging</span>
-<span id="L437" class="LineNr">437 </span>
-<span id="L438" class="LineNr">438 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
-<span id="L439" class="LineNr">439 </span>_DUMP<span class="Delimiter">,</span>
-<span id="L440" class="LineNr">440 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L441" class="LineNr">441 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$dump&quot;</span><span class="Delimiter">,</span> _DUMP<span class="Delimiter">);</span>
-<span id="L442" class="LineNr">442 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span id="L443" class="LineNr">443 </span><span class="Normal">case</span> _DUMP: <span class="Delimiter">{</span>
-<span id="L444" class="LineNr">444 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> after_canonize = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L445" class="LineNr">445 </span>  canonize<span class="Delimiter">(</span>after_canonize<span class="Delimiter">);</span>
-<span id="L446" class="LineNr">446 </span>  cerr &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">' '</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; =&gt; &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>after_canonize<span class="Delimiter">.</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; =&gt; &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> after_canonize<span class="Delimiter">.</span>value<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
-<span id="L447" class="LineNr">447 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L448" class="LineNr">448 </span><span class="Delimiter">}</span>
-<span id="L449" class="LineNr">449 </span>
-<span id="L450" class="LineNr">450 </span><span class="Comment">//: grab an address, and then dump its value at intervals</span>
-<span id="L451" class="LineNr">451 </span><span class="Comment">//: useful for tracking down memory corruption (writing to an out-of-bounds address)</span>
-<span id="L452" class="LineNr">452 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
-<span id="L453" class="LineNr">453 </span><span class="Normal">int</span> Bar = -<span class="Constant">1</span><span class="Delimiter">;</span>
-<span id="L454" class="LineNr">454 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
-<span id="L455" class="LineNr">455 </span>_BAR<span class="Delimiter">,</span>
-<span id="L456" class="LineNr">456 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L457" class="LineNr">457 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$bar&quot;</span><span class="Delimiter">,</span> _BAR<span class="Delimiter">);</span>
-<span id="L458" class="LineNr">458 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span id="L459" class="LineNr">459 </span><span class="Normal">case</span> _BAR: <span class="Delimiter">{</span>
-<span id="L460" class="LineNr">460 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L461" class="LineNr">461 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>Bar != -<span class="Constant">1</span><span class="Delimiter">)</span> cerr &lt;&lt; Bar &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> Bar<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
-<span id="L462" class="LineNr">462 </span>    <span class="Normal">else</span> cerr &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
-<span id="L463" class="LineNr">463 </span>  <span class="Delimiter">}</span>
-<span id="L464" class="LineNr">464 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
-<span id="L465" class="LineNr">465 </span>    reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> tmp = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L466" class="LineNr">466 </span>    canonize<span class="Delimiter">(</span>tmp<span class="Delimiter">);</span>
-<span id="L467" class="LineNr">467 </span>    Bar = tmp<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
-<span id="L468" class="LineNr">468 </span>  <span class="Delimiter">}</span>
-<span id="L469" class="LineNr">469 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L470" class="LineNr">470 </span><span class="Delimiter">}</span>
+<span id="L397" class="LineNr">397 </span><span class="Delimiter">:(scenario maybe_convert_indirect_3)</span>
+<span id="L398" class="LineNr">398 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L399" class="LineNr">399 </span>  <span class="Constant">10</span>:number-<span class="Normal">or</span>-point<span class="Special"> &lt;- </span>merge <span class="Constant">0</span>/number<span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L400" class="LineNr">400 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:number-<span class="Normal">or</span>-point<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
+<span id="L401" class="LineNr">401 </span>  <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:<span class="Normal">bool</span><span class="Special"> &lt;- </span>copy <span class="Constant">20</span>/unsafe
+<span id="L402" class="LineNr">402 </span>  <span class="Constant">3</span>:num<span class="Delimiter">,</span> <span class="Constant">2</span>:<a href='043space.cc.html#L80'>address</a>:<span class="Normal">bool</span>/lookup<span class="Special"> &lt;- </span>maybe-convert <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:number-<span class="Normal">or</span>-point/lookup<span class="Delimiter">,</span> <span class="Constant">i:variant</span>
+<span id="L403" class="LineNr">403 </span>]
+<span id="L404" class="LineNr">404 </span><span class="traceContains">+mem: storing 1 in location 20</span>
+<span id="L405" class="LineNr">405 </span><span class="traceContains">+mem: storing 34 in location 3</span>
+<span id="L406" class="LineNr">406 </span>
+<span id="L407" class="LineNr">407 </span><span class="Delimiter">:(before &quot;Update MAYBE_CONVERT base in Check&quot;)</span>
+<span id="L408" class="LineNr">408 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>base<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L409" class="LineNr">409 </span><span class="Delimiter">:(before &quot;Update MAYBE_CONVERT product in Check&quot;)</span>
+<span id="L410" class="LineNr">410 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L411" class="LineNr">411 </span><span class="Delimiter">:(before &quot;Update MAYBE_CONVERT status in Check&quot;)</span>
+<span id="L412" class="LineNr">412 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!canonize_type<span class="Delimiter">(</span>status<span class="Delimiter">))</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L413" class="LineNr">413 </span>
+<span id="L414" class="LineNr">414 </span><span class="Delimiter">:(before &quot;Update MAYBE_CONVERT base in Run&quot;)</span>
+<span id="L415" class="LineNr">415 </span>canonize<span class="Delimiter">(</span>base<span class="Delimiter">);</span>
+<span id="L416" class="LineNr">416 </span><span class="Delimiter">:(before &quot;Update MAYBE_CONVERT product in Run&quot;)</span>
+<span id="L417" class="LineNr">417 </span>canonize<span class="Delimiter">(</span>product<span class="Delimiter">);</span>
+<span id="L418" class="LineNr">418 </span><span class="Delimiter">:(before &quot;Update MAYBE_CONVERT status in Run&quot;)</span>
+<span id="L419" class="LineNr">419 </span>canonize<span class="Delimiter">(</span>status<span class="Delimiter">);</span>
+<span id="L420" class="LineNr">420 </span>
+<span id="L421" class="LineNr">421 </span><span class="Delimiter">:(scenario merge_exclusive_container_indirect)</span>
+<span id="L422" class="LineNr">422 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L423" class="LineNr">423 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:number-<span class="Normal">or</span>-point<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
+<span id="L424" class="LineNr">424 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:number-<span class="Normal">or</span>-point/lookup<span class="Special"> &lt;- </span>merge <span class="Constant">0</span>/number<span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L425" class="LineNr">425 </span>]
+<span id="L426" class="LineNr">426 </span><span class="traceContains">+mem: storing 0 in location 10</span>
+<span id="L427" class="LineNr">427 </span><span class="traceContains">+mem: storing 34 in location 11</span>
+<span id="L428" class="LineNr">428 </span>
+<span id="L429" class="LineNr">429 </span><span class="Delimiter">:(before &quot;Update size_mismatch Check for MERGE(x)</span>
+<span id="L430" class="LineNr">430 </span>canonize<span class="Delimiter">(</span>x<span class="Delimiter">);</span>
+<span id="L431" class="LineNr">431 </span>
+<span id="L432" class="LineNr">432 </span><span class="Comment">//: abbreviation for '/lookup': a prefix '*'</span>
+<span id="L433" class="LineNr">433 </span>
+<span id="L434" class="LineNr">434 </span><span class="Delimiter">:(scenario lookup_abbreviation)</span>
+<span id="L435" class="LineNr">435 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L436" class="LineNr">436 </span>  <span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:number<span class="Special"> &lt;- </span>copy <span class="Constant">10</span>/unsafe
+<span id="L437" class="LineNr">437 </span>  <span class="Constant">10</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
+<span id="L438" class="LineNr">438 </span>  <span class="Constant">3</span>:number<span class="Special"> &lt;- </span>copy *<span class="Constant">1</span>:<a href='043space.cc.html#L80'>address</a>:number
+<span id="L439" class="LineNr">439 </span>]
+<span id="L440" class="LineNr">440 </span><span class="traceContains">+parse: ingredient: {1: (&quot;address&quot; &quot;number&quot;), &quot;lookup&quot;: ()}</span>
+<span id="L441" class="LineNr">441 </span><span class="traceContains">+mem: storing 34 in location 3</span>
+<span id="L442" class="LineNr">442 </span>
+<span id="L443" class="LineNr">443 </span><span class="Delimiter">:(before &quot;End Parsing reagent&quot;)</span>
+<span id="L444" class="LineNr">444 </span><span class="Delimiter">{</span>
+<span id="L445" class="LineNr">445 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L77'>starts_with</a><span class="Delimiter">(</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;*&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L446" class="LineNr">446 </span>    name<span class="Delimiter">.</span>erase<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L447" class="LineNr">447 </span>    properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;string<span class="Delimiter">,</span> string_tree*&gt;<span class="Delimiter">(</span><span class="Constant">&quot;lookup&quot;</span><span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">));</span>
+<span id="L448" class="LineNr">448 </span>  <span class="Delimiter">}</span>
+<span id="L449" class="LineNr">449 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>name<span class="Delimiter">.</span>empty<span class="Delimiter">())</span>
+<span id="L450" class="LineNr">450 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;illegal name '&quot;</span> &lt;&lt; original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L451" class="LineNr">451 </span><span class="Delimiter">}</span>
+<span id="L452" class="LineNr">452 </span>
+<span id="L453" class="LineNr">453 </span><span class="SalientComment">//:: helpers for debugging</span>
+<span id="L454" class="LineNr">454 </span>
+<span id="L455" class="LineNr">455 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
+<span id="L456" class="LineNr">456 </span>_DUMP<span class="Delimiter">,</span>
+<span id="L457" class="LineNr">457 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
+<span id="L458" class="LineNr">458 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$dump&quot;</span><span class="Delimiter">,</span> _DUMP<span class="Delimiter">);</span>
+<span id="L459" class="LineNr">459 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
+<span id="L460" class="LineNr">460 </span><span class="Normal">case</span> _DUMP: <span class="Delimiter">{</span>
+<span id="L461" class="LineNr">461 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> after_canonize = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L462" class="LineNr">462 </span>  canonize<span class="Delimiter">(</span>after_canonize<span class="Delimiter">);</span>
+<span id="L463" class="LineNr">463 </span>  cerr &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">' '</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; =&gt; &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>after_canonize<span class="Delimiter">.</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; =&gt; &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> after_canonize<span class="Delimiter">.</span>value<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
+<span id="L464" class="LineNr">464 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L465" class="LineNr">465 </span><span class="Delimiter">}</span>
+<span id="L466" class="LineNr">466 </span>
+<span id="L467" class="LineNr">467 </span><span class="Comment">//: grab an address, and then dump its value at intervals</span>
+<span id="L468" class="LineNr">468 </span><span class="Comment">//: useful for tracking down memory corruption (writing to an out-of-bounds address)</span>
+<span id="L469" class="LineNr">469 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
+<span id="L470" class="LineNr">470 </span><span class="Normal">int</span> Bar = -<span class="Constant">1</span><span class="Delimiter">;</span>
+<span id="L471" class="LineNr">471 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
+<span id="L472" class="LineNr">472 </span>_BAR<span class="Delimiter">,</span>
+<span id="L473" class="LineNr">473 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
+<span id="L474" class="LineNr">474 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;$bar&quot;</span><span class="Delimiter">,</span> _BAR<span class="Delimiter">);</span>
+<span id="L475" class="LineNr">475 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
+<span id="L476" class="LineNr">476 </span><span class="Normal">case</span> _BAR: <span class="Delimiter">{</span>
+<span id="L477" class="LineNr">477 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
+<span id="L478" class="LineNr">478 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>Bar != -<span class="Constant">1</span><span class="Delimiter">)</span> cerr &lt;&lt; Bar &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> Bar<span class="Delimiter">))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
+<span id="L479" class="LineNr">479 </span>    <span class="Normal">else</span> cerr &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
+<span id="L480" class="LineNr">480 </span>  <span class="Delimiter">}</span>
+<span id="L481" class="LineNr">481 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
+<span id="L482" class="LineNr">482 </span>    reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> tmp = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L483" class="LineNr">483 </span>    canonize<span class="Delimiter">(</span>tmp<span class="Delimiter">);</span>
+<span id="L484" class="LineNr">484 </span>    Bar = tmp<span class="Delimiter">.</span>value<span class="Delimiter">;</span>
+<span id="L485" class="LineNr">485 </span>  <span class="Delimiter">}</span>
+<span id="L486" class="LineNr">486 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L487" class="LineNr">487 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>
diff --git a/html/036refcount.cc.html b/html/036refcount.cc.html
index 0b496a0b..4820c43a 100644
--- a/html/036refcount.cc.html
+++ b/html/036refcount.cc.html
@@ -184,17 +184,17 @@ if ('onhashchange' in window) {
 <span id="L125" class="LineNr">125 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;address&quot;</span><span class="Delimiter">)</span>
 <span id="L126" class="LineNr">126 </span>      compute_container_address_offsets<span class="Delimiter">(</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">(</span>type<span class="Delimiter">),</span> location_for_error_messages<span class="Delimiter">);</span>
 <span id="L127" class="LineNr">127 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;array&quot;</span><span class="Delimiter">)</span>
-<span id="L128" class="LineNr">128 </span>      compute_container_address_offsets<span class="Delimiter">(</span><a href='032array.cc.html#L381'>array_element</a><span class="Delimiter">(</span>type<span class="Delimiter">),</span> location_for_error_messages<span class="Delimiter">);</span>
+<span id="L128" class="LineNr">128 </span>      compute_container_address_offsets<span class="Delimiter">(</span><a href='032array.cc.html#L379'>array_element</a><span class="Delimiter">(</span>type<span class="Delimiter">),</span> location_for_error_messages<span class="Delimiter">);</span>
 <span id="L129" class="LineNr">129 </span>    <span class="Comment">// End compute_container_address_offsets Non-atom Special-cases</span>
 <span id="L130" class="LineNr">130 </span>  <span class="Delimiter">}</span>
 <span id="L131" class="LineNr">131 </span>  <span class="Normal">const</span> type_tree* base_type = type<span class="Delimiter">;</span>
 <span id="L132" class="LineNr">132 </span>  <span class="Comment">// Update base_type in compute_container_address_offsets</span>
 <span id="L133" class="LineNr">133 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
 <span id="L134" class="LineNr">134 </span>  type_info&amp; info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
-<span id="L135" class="LineNr">135 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L135" class="LineNr">135 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L136" class="LineNr">136 </span>    compute_container_address_offsets<span class="Delimiter">(</span>info<span class="Delimiter">,</span> type<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
 <span id="L137" class="LineNr">137 </span>  <span class="Delimiter">}</span>
-<span id="L138" class="LineNr">138 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L138" class="LineNr">138 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L175'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L139" class="LineNr">139 </span>    <a href='036refcount.cc.html#L150'>compute_exclusive_container_address_offsets</a><span class="Delimiter">(</span>info<span class="Delimiter">,</span> type<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
 <span id="L140" class="LineNr">140 </span>  <span class="Delimiter">}</span>
 <span id="L141" class="LineNr">141 </span><span class="Delimiter">}</span>
@@ -224,7 +224,7 @@ if ('onhashchange' in window) {
 <span id="L165" class="LineNr">165 </span>  <span class="Normal">const</span> type_tree* base_type = type<span class="Delimiter">;</span>
 <span id="L166" class="LineNr">166 </span>  <span class="Comment">// Update base_type in append_container_address_offsets</span>
 <span id="L167" class="LineNr">167 </span>  <span class="Normal">const</span> type_info&amp; info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
-<span id="L168" class="LineNr">168 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L168" class="LineNr">168 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L169" class="LineNr">169 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> curr_index = <span class="Constant">0</span><span class="Delimiter">,</span> curr_offset = base_offset<span class="Delimiter">;</span>  curr_index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++curr_index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L170" class="LineNr">170 </span>      <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;checking container &quot;</span> &lt;&lt; base_type<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot;, element &quot;</span> &lt;&lt; curr_index &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L171" class="LineNr">171 </span>      reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> element = <a href='030container.cc.html#L429'>element_type</a><span class="Delimiter">(</span>type<span class="Delimiter">,</span> curr_index<span class="Delimiter">);</span>  <span class="Comment">// not base_type</span>
@@ -236,7 +236,7 @@ if ('onhashchange' in window) {
 <span id="L177" class="LineNr">177 </span>      <span class="Delimiter">}</span>
 <span id="L178" class="LineNr">178 </span>      <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_array<span class="Delimiter">(</span>element<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L179" class="LineNr">179 </span>        curr_offset += <span class="Comment">/*</span><span class="Comment">array length</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>
-<span id="L180" class="LineNr">180 </span>        <span class="Normal">const</span> type_tree* array_element_type = <a href='032array.cc.html#L381'>array_element</a><span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<span id="L180" class="LineNr">180 </span>        <span class="Normal">const</span> type_tree* array_element_type = <a href='032array.cc.html#L379'>array_element</a><span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
 <span id="L181" class="LineNr">181 </span>        <span class="Normal">int</span> array_element_size = size_of<span class="Delimiter">(</span>array_element_type<span class="Delimiter">);</span>
 <span id="L182" class="LineNr">182 </span>        <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; <a href='032array.cc.html#L117'>static_array_length</a><span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L183" class="LineNr">183 </span>          <a href='036refcount.cc.html#L160'>append_addresses</a><span class="Delimiter">(</span>curr_offset<span class="Delimiter">,</span> array_element_type<span class="Delimiter">,</span> out<span class="Delimiter">,</span> key<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
@@ -265,7 +265,7 @@ if ('onhashchange' in window) {
 <span id="L206" class="LineNr">206 </span>      <span class="Delimiter">}</span>
 <span id="L207" class="LineNr">207 </span>    <span class="Delimiter">}</span>
 <span id="L208" class="LineNr">208 </span>  <span class="Delimiter">}</span>
-<span id="L209" class="LineNr">209 </span>  <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L209" class="LineNr">209 </span>  <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L175'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L210" class="LineNr">210 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> tag = <span class="Constant">0</span><span class="Delimiter">;</span>  tag &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++tag<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L211" class="LineNr">211 </span>      set&lt;tag_condition_info&gt; new_key = key<span class="Delimiter">;</span>
 <span id="L212" class="LineNr">212 </span>      new_key<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>tag_condition_info<span class="Delimiter">(</span>base_offset<span class="Delimiter">,</span> tag<span class="Delimiter">));</span>
@@ -567,7 +567,7 @@ if ('onhashchange' in window) {
 <span id="L508" class="LineNr">508 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L509" class="LineNr">509 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
 <span id="L510" class="LineNr">510 </span>  type_info&amp; info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
-<span id="L511" class="LineNr">511 </span>  <span class="Identifier">return</span> info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">;</span>
+<span id="L511" class="LineNr">511 </span>  <span class="Identifier">return</span> info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>CONTAINER</a><span class="Delimiter">;</span>
 <span id="L512" class="LineNr">512 </span><span class="Delimiter">}</span>
 <span id="L513" class="LineNr">513 </span>
 <span id="L514" class="LineNr">514 </span><span class="Normal">bool</span> is_mu_exclusive_container<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
@@ -579,7 +579,7 @@ if ('onhashchange' in window) {
 <span id="L520" class="LineNr">520 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L521" class="LineNr">521 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
 <span id="L522" class="LineNr">522 </span>  type_info&amp; info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
-<span id="L523" class="LineNr">523 </span>  <span class="Identifier">return</span> info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">;</span>
+<span id="L523" class="LineNr">523 </span>  <span class="Identifier">return</span> info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L175'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">;</span>
 <span id="L524" class="LineNr">524 </span><span class="Delimiter">}</span>
 </pre>
 </body>
diff --git a/html/040brace.cc.html b/html/040brace.cc.html
index 37642e3e..2a73fc1b 100644
--- a/html/040brace.cc.html
+++ b/html/040brace.cc.html
@@ -175,366 +175,365 @@ if ('onhashchange' in window) {
 <span id="L113" class="LineNr">113 </span>      <span class="Delimiter">}</span>
 <span id="L114" class="LineNr">114 </span>    <span class="Delimiter">}</span>
 <span id="L115" class="LineNr">115 </span>    <span class="Comment">// if implicit, compute target</span>
-<span id="L116" class="LineNr">116 </span>    reagent target<span class="Delimiter">;</span>
-<span id="L117" class="LineNr">117 </span>    target<span class="Delimiter">.</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">&quot;offset&quot;</span><span class="Delimiter">);</span>
-<span id="L118" class="LineNr">118 </span>    target<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L119" class="LineNr">119 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>open_braces<span class="Delimiter">.</span>empty<span class="Delimiter">())</span>
-<span id="L120" class="LineNr">120 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; old_name &lt;&lt; <span class="Constant">&quot;' needs a '{' before</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L121" class="LineNr">121 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>old_name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;loop&quot;</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span>
-<span id="L122" class="LineNr">122 </span>      target<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>open_braces<span class="Delimiter">.</span>top<span class="Delimiter">()</span>-index<span class="Delimiter">);</span>
-<span id="L123" class="LineNr">123 </span>    <span class="Normal">else</span>  <span class="Comment">// break instruction</span>
-<span id="L124" class="LineNr">124 </span>      target<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><a href='040brace.cc.html#L136'>matching_brace</a><span class="Delimiter">(</span>open_braces<span class="Delimiter">.</span>top<span class="Delimiter">(),</span> braces<span class="Delimiter">,</span> r<span class="Delimiter">)</span> - index - <span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L125" class="LineNr">125 </span>    inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>target<span class="Delimiter">);</span>
-<span id="L126" class="LineNr">126 </span>    <span class="Comment">// log computed target</span>
-<span id="L127" class="LineNr">127 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;jump&quot;</span><span class="Delimiter">)</span>
-<span id="L128" class="LineNr">128 </span>      <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;jump &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>target<span class="Delimiter">.</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;:offset</span><span class="Constant">&quot; &lt;&lt; end();</span>
-<span id="L129" class="LineNr">129 </span>    <span class="Normal">else</span>
-<span id="L130" class="LineNr">130 </span>      <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">' '</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>target<span class="Delimiter">.</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;:offset</span><span class="Constant">&quot; &lt;&lt; end();</span>
-<span id="L131" class="LineNr">131 </span>  <span class="Delimiter">}</span>
-<span id="L132" class="LineNr">132 </span><span class="Delimiter">}</span>
-<span id="L133" class="LineNr">133 </span>
-<span id="L134" class="LineNr">134 </span><span class="Comment">// returns a signed integer not just so that we can return -1 but also to</span>
-<span id="L135" class="LineNr">135 </span><span class="Comment">// enable future signed arithmetic</span>
-<span id="L136" class="LineNr">136 </span><span class="Normal">int</span> <a href='040brace.cc.html#L136'>matching_brace</a><span class="Delimiter">(</span><span class="Normal">int</span> index<span class="Delimiter">,</span> <span class="Normal">const</span> list&lt;pair&lt;<span class="Normal">int</span><span class="Delimiter">,</span> <span class="Normal">int</span>&gt; &gt;&amp; braces<span class="Delimiter">,</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L137" class="LineNr">137 </span>  <span class="Normal">int</span> stacksize = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L138" class="LineNr">138 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>list&lt;pair&lt;<span class="Normal">int</span><span class="Delimiter">,</span> <span class="Normal">int</span>&gt; &gt;::const_iterator p = braces<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != braces<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L139" class="LineNr">139 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>second &lt; index<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L140" class="LineNr">140 </span>    stacksize += <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>first ? <span class="Constant">1</span> : -<span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L141" class="LineNr">141 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>stacksize == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">;</span>
-<span id="L142" class="LineNr">142 </span>  <span class="Delimiter">}</span>
-<span id="L143" class="LineNr">143 </span>  <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;unbalanced '{'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L144" class="LineNr">144 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  <span class="Comment">// exit current routine</span>
-<span id="L145" class="LineNr">145 </span><span class="Delimiter">}</span>
-<span id="L146" class="LineNr">146 </span>
-<span id="L147" class="LineNr">147 </span><span class="Delimiter">:(scenario loop)</span>
-<span id="L148" class="LineNr">148 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L149" class="LineNr">149 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-<span id="L150" class="LineNr">150 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-<span id="L151" class="LineNr">151 </span>  <span class="Delimiter">{</span>
-<span id="L152" class="LineNr">152 </span>    <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-<span id="L153" class="LineNr">153 </span>    loop
-<span id="L154" class="LineNr">154 </span>  <span class="Delimiter">}</span>
-<span id="L155" class="LineNr">155 </span>]
-<span id="L156" class="LineNr">156 </span><span class="traceContains">+transform: --- <a href='012transform.cc.html#L99'>transform</a> braces for <a href='010vm.cc.html#L19'>recipe</a> <a href='000organization.cc.html#L113'>main</a></span>
+<span id="L116" class="LineNr">116 </span>    reagent target<span class="Delimiter">(</span><span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">&quot;offset&quot;</span><span class="Delimiter">));</span>
+<span id="L117" class="LineNr">117 </span>    target<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L118" class="LineNr">118 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>open_braces<span class="Delimiter">.</span>empty<span class="Delimiter">())</span>
+<span id="L119" class="LineNr">119 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; old_name &lt;&lt; <span class="Constant">&quot;' needs a '{' before</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L120" class="LineNr">120 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>old_name<span class="Delimiter">.</span>find<span class="Delimiter">(</span><span class="Constant">&quot;loop&quot;</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span>
+<span id="L121" class="LineNr">121 </span>      target<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>open_braces<span class="Delimiter">.</span>top<span class="Delimiter">()</span>-index<span class="Delimiter">);</span>
+<span id="L122" class="LineNr">122 </span>    <span class="Normal">else</span>  <span class="Comment">// break instruction</span>
+<span id="L123" class="LineNr">123 </span>      target<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span><a href='040brace.cc.html#L135'>matching_brace</a><span class="Delimiter">(</span>open_braces<span class="Delimiter">.</span>top<span class="Delimiter">(),</span> braces<span class="Delimiter">,</span> r<span class="Delimiter">)</span> - index - <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L124" class="LineNr">124 </span>    inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>target<span class="Delimiter">);</span>
+<span id="L125" class="LineNr">125 </span>    <span class="Comment">// log computed target</span>
+<span id="L126" class="LineNr">126 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;jump&quot;</span><span class="Delimiter">)</span>
+<span id="L127" class="LineNr">127 </span>      <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;jump &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>target<span class="Delimiter">.</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;:offset</span><span class="Constant">&quot; &lt;&lt; end();</span>
+<span id="L128" class="LineNr">128 </span>    <span class="Normal">else</span>
+<span id="L129" class="LineNr">129 </span>      <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">' '</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>target<span class="Delimiter">.</span>value<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;:offset</span><span class="Constant">&quot; &lt;&lt; end();</span>
+<span id="L130" class="LineNr">130 </span>  <span class="Delimiter">}</span>
+<span id="L131" class="LineNr">131 </span><span class="Delimiter">}</span>
+<span id="L132" class="LineNr">132 </span>
+<span id="L133" class="LineNr">133 </span><span class="Comment">// returns a signed integer not just so that we can return -1 but also to</span>
+<span id="L134" class="LineNr">134 </span><span class="Comment">// enable future signed arithmetic</span>
+<span id="L135" class="LineNr">135 </span><span class="Normal">int</span> <a href='040brace.cc.html#L135'>matching_brace</a><span class="Delimiter">(</span><span class="Normal">int</span> index<span class="Delimiter">,</span> <span class="Normal">const</span> list&lt;pair&lt;<span class="Normal">int</span><span class="Delimiter">,</span> <span class="Normal">int</span>&gt; &gt;&amp; braces<span class="Delimiter">,</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L136" class="LineNr">136 </span>  <span class="Normal">int</span> stacksize = <span class="Constant">0</span><span class="Delimiter">;</span>
+<span id="L137" class="LineNr">137 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>list&lt;pair&lt;<span class="Normal">int</span><span class="Delimiter">,</span> <span class="Normal">int</span>&gt; &gt;::const_iterator p = braces<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != braces<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L138" class="LineNr">138 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>second &lt; index<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L139" class="LineNr">139 </span>    stacksize += <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>first ? <span class="Constant">1</span> : -<span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L140" class="LineNr">140 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>stacksize == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">;</span>
+<span id="L141" class="LineNr">141 </span>  <span class="Delimiter">}</span>
+<span id="L142" class="LineNr">142 </span>  <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;unbalanced '{'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L143" class="LineNr">143 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>steps<span class="Delimiter">);</span>  <span class="Comment">// exit current routine</span>
+<span id="L144" class="LineNr">144 </span><span class="Delimiter">}</span>
+<span id="L145" class="LineNr">145 </span>
+<span id="L146" class="LineNr">146 </span><span class="Delimiter">:(scenario loop)</span>
+<span id="L147" class="LineNr">147 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L148" class="LineNr">148 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
+<span id="L149" class="LineNr">149 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
+<span id="L150" class="LineNr">150 </span>  <span class="Delimiter">{</span>
+<span id="L151" class="LineNr">151 </span>    <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
+<span id="L152" class="LineNr">152 </span>    loop
+<span id="L153" class="LineNr">153 </span>  <span class="Delimiter">}</span>
+<span id="L154" class="LineNr">154 </span>]
+<span id="L155" class="LineNr">155 </span><span class="traceContains">+transform: --- <a href='012transform.cc.html#L99'>transform</a> braces for <a href='010vm.cc.html#L19'>recipe</a> <a href='000organization.cc.html#L113'>main</a></span>
+<span id="L156" class="LineNr">156 </span><span class="traceContains">+transform: copy ...</span>
 <span id="L157" class="LineNr">157 </span><span class="traceContains">+transform: copy ...</span>
 <span id="L158" class="LineNr">158 </span><span class="traceContains">+transform: copy ...</span>
-<span id="L159" class="LineNr">159 </span><span class="traceContains">+transform: copy ...</span>
-<span id="L160" class="LineNr">160 </span><span class="traceContains">+transform: jump -2:offset</span>
-<span id="L161" class="LineNr">161 </span>
-<span id="L162" class="LineNr">162 </span><span class="Delimiter">:(scenario break_empty_block)</span>
-<span id="L163" class="LineNr">163 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L164" class="LineNr">164 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-<span id="L165" class="LineNr">165 </span>  <span class="Delimiter">{</span>
-<span id="L166" class="LineNr">166 </span>    <span class="Identifier">break</span>
-<span id="L167" class="LineNr">167 </span>  <span class="Delimiter">}</span>
-<span id="L168" class="LineNr">168 </span>]
-<span id="L169" class="LineNr">169 </span><span class="traceContains">+transform: --- <a href='012transform.cc.html#L99'>transform</a> braces for <a href='010vm.cc.html#L19'>recipe</a> <a href='000organization.cc.html#L113'>main</a></span>
-<span id="L170" class="LineNr">170 </span><span class="traceContains">+transform: copy ...</span>
-<span id="L171" class="LineNr">171 </span><span class="traceContains">+transform: jump 0:offset</span>
-<span id="L172" class="LineNr">172 </span>
-<span id="L173" class="LineNr">173 </span><span class="Delimiter">:(scenario break_cascading)</span>
-<span id="L174" class="LineNr">174 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L175" class="LineNr">175 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-<span id="L176" class="LineNr">176 </span>  <span class="Delimiter">{</span>
-<span id="L177" class="LineNr">177 </span>    <span class="Identifier">break</span>
-<span id="L178" class="LineNr">178 </span>  <span class="Delimiter">}</span>
-<span id="L179" class="LineNr">179 </span>  <span class="Delimiter">{</span>
-<span id="L180" class="LineNr">180 </span>    <span class="Identifier">break</span>
-<span id="L181" class="LineNr">181 </span>  <span class="Delimiter">}</span>
-<span id="L182" class="LineNr">182 </span>]
-<span id="L183" class="LineNr">183 </span><span class="traceContains">+transform: --- <a href='012transform.cc.html#L99'>transform</a> braces for <a href='010vm.cc.html#L19'>recipe</a> <a href='000organization.cc.html#L113'>main</a></span>
-<span id="L184" class="LineNr">184 </span><span class="traceContains">+transform: copy ...</span>
+<span id="L159" class="LineNr">159 </span><span class="traceContains">+transform: jump -2:offset</span>
+<span id="L160" class="LineNr">160 </span>
+<span id="L161" class="LineNr">161 </span><span class="Delimiter">:(scenario break_empty_block)</span>
+<span id="L162" class="LineNr">162 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L163" class="LineNr">163 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
+<span id="L164" class="LineNr">164 </span>  <span class="Delimiter">{</span>
+<span id="L165" class="LineNr">165 </span>    <span class="Identifier">break</span>
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-<span id="L417" class="LineNr">417 </span>  <span class="Delimiter">}</span>
-<span id="L418" class="LineNr">418 </span><span class="Delimiter">}</span>
-<span id="L419" class="LineNr">419 </span>
-<span id="L420" class="LineNr">420 </span><span class="Delimiter">:(code)</span>
-<span id="L421" class="LineNr">421 </span><span class="Normal">void</span> <a href='040brace.cc.html#L421'>emit_return_block</a><span class="Delimiter">(</span>recipe&amp; out<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; break_command<span class="Delimiter">,</span> <span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L422" class="LineNr">422 </span>  <span class="Normal">const</span> vector&lt;reagent&gt;&amp; ingredients = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">;</span>
-<span id="L423" class="LineNr">423 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> condition = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L424" class="LineNr">424 </span>  vector&lt;reagent&gt; return_ingredients<span class="Delimiter">;</span>
-<span id="L425" class="LineNr">425 </span>  copy<span class="Delimiter">(</span>++ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> ingredients<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">(),</span> inserter<span class="Delimiter">(</span>return_ingredients<span class="Delimiter">,</span> return_ingredients<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">()));</span>
-<span id="L426" class="LineNr">426 </span>
-<span id="L427" class="LineNr">427 </span>  <span class="Comment">// {</span>
-<span id="L428" class="LineNr">428 </span>  <a href='010vm.cc.html#L32'>instruction</a> open_label<span class="Delimiter">;</span>  open_label<span class="Delimiter">.</span>is_label=<span class="Constant">true</span><span class="Delimiter">;</span>  open_label<span class="Delimiter">.</span>label = <span class="Constant">&quot;{&quot;</span><span class="Delimiter">;</span>
-<span id="L429" class="LineNr">429 </span>  out<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>open_label<span class="Delimiter">);</span>
-<span id="L430" class="LineNr">430 </span>
-<span id="L431" class="LineNr">431 </span>  <span class="Comment">// &lt;break command&gt; &lt;condition&gt;</span>
-<span id="L432" class="LineNr">432 </span>  <a href='010vm.cc.html#L32'>instruction</a> break_inst<span class="Delimiter">;</span>
-<span id="L433" class="LineNr">433 </span>  break_inst<span class="Delimiter">.</span>operation = get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> break_command<span class="Delimiter">);</span>
-<span id="L434" class="LineNr">434 </span>  break_inst<span class="Delimiter">.</span>name = break_command<span class="Delimiter">;</span>
-<span id="L435" class="LineNr">435 </span>  break_inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>condition<span class="Delimiter">);</span>
-<span id="L436" class="LineNr">436 </span>  out<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>break_inst<span class="Delimiter">);</span>
-<span id="L437" class="LineNr">437 </span>
-<span id="L438" class="LineNr">438 </span>  <span class="Comment">// return &lt;return ingredients&gt;</span>
-<span id="L439" class="LineNr">439 </span>  <a href='010vm.cc.html#L32'>instruction</a> return_inst<span class="Delimiter">;</span>
-<span id="L440" class="LineNr">440 </span>  return_inst<span class="Delimiter">.</span>operation = get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;return&quot;</span><span class="Delimiter">);</span>
-<span id="L441" class="LineNr">441 </span>  return_inst<span class="Delimiter">.</span>name = <span class="Constant">&quot;return&quot;</span><span class="Delimiter">;</span>
-<span id="L442" class="LineNr">442 </span>  return_inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>swap<span class="Delimiter">(</span>return_ingredients<span class="Delimiter">);</span>
-<span id="L443" class="LineNr">443 </span>  return_inst<span class="Delimiter">.</span>original_string = inst<span class="Delimiter">.</span>original_string<span class="Delimiter">;</span>
-<span id="L444" class="LineNr">444 </span>  out<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>return_inst<span class="Delimiter">);</span>
-<span id="L445" class="LineNr">445 </span>
-<span id="L446" class="LineNr">446 </span>  <span class="Comment">// }</span>
-<span id="L447" class="LineNr">447 </span>  <a href='010vm.cc.html#L32'>instruction</a> close_label<span class="Delimiter">;</span>  close_label<span class="Delimiter">.</span>is_label=<span class="Constant">true</span><span class="Delimiter">;</span>  close_label<span class="Delimiter">.</span>label = <span class="Constant">&quot;}&quot;</span><span class="Delimiter">;</span>
-<span id="L448" class="LineNr">448 </span>  out<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>close_label<span class="Delimiter">);</span>
-<span id="L449" class="LineNr">449 </span><span class="Delimiter">}</span>
-<span id="L450" class="LineNr">450 </span>
-<span id="L451" class="LineNr">451 </span><span class="Comment">//: Make sure these pseudo recipes get consistent numbers in all tests, even</span>
-<span id="L452" class="LineNr">452 </span><span class="Comment">//: though they aren't implemented. Allows greater flexibility in ordering</span>
-<span id="L453" class="LineNr">453 </span><span class="Comment">//: transforms.</span>
-<span id="L454" class="LineNr">454 </span>
-<span id="L455" class="LineNr">455 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
-<span id="L456" class="LineNr">456 </span>BREAK<span class="Delimiter">,</span>
-<span id="L457" class="LineNr">457 </span>BREAK_IF<span class="Delimiter">,</span>
-<span id="L458" class="LineNr">458 </span>BREAK_UNLESS<span class="Delimiter">,</span>
-<span id="L459" class="LineNr">459 </span>LOOP<span class="Delimiter">,</span>
-<span id="L460" class="LineNr">460 </span>LOOP_IF<span class="Delimiter">,</span>
-<span id="L461" class="LineNr">461 </span>LOOP_UNLESS<span class="Delimiter">,</span>
-<span id="L462" class="LineNr">462 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L463" class="LineNr">463 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break&quot;</span><span class="Delimiter">,</span> BREAK<span class="Delimiter">);</span>
-<span id="L464" class="LineNr">464 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break-if&quot;</span><span class="Delimiter">,</span> BREAK_IF<span class="Delimiter">);</span>
-<span id="L465" class="LineNr">465 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break-unless&quot;</span><span class="Delimiter">,</span> BREAK_UNLESS<span class="Delimiter">);</span>
-<span id="L466" class="LineNr">466 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop&quot;</span><span class="Delimiter">,</span> LOOP<span class="Delimiter">);</span>
-<span id="L467" class="LineNr">467 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop-if&quot;</span><span class="Delimiter">,</span> LOOP_IF<span class="Delimiter">);</span>
-<span id="L468" class="LineNr">468 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop-unless&quot;</span><span class="Delimiter">,</span> LOOP_UNLESS<span class="Delimiter">);</span>
-<span id="L469" class="LineNr">469 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
-<span id="L470" class="LineNr">470 </span><span class="Normal">case</span> BREAK: <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L471" class="LineNr">471 </span><span class="Normal">case</span> BREAK_IF: <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L472" class="LineNr">472 </span><span class="Normal">case</span> BREAK_UNLESS: <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L473" class="LineNr">473 </span><span class="Normal">case</span> LOOP: <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L474" class="LineNr">474 </span><span class="Normal">case</span> LOOP_IF: <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L475" class="LineNr">475 </span><span class="Normal">case</span> LOOP_UNLESS: <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L328" class="LineNr">328 </span>
+<span id="L329" class="LineNr">329 </span><span class="Comment">//: test how things actually run</span>
+<span id="L330" class="LineNr">330 </span><span class="Delimiter">:(scenarios run)</span>
+<span id="L331" class="LineNr">331 </span><span class="Delimiter">:(scenario brace_conversion_and_run)</span>
+<span id="L332" class="LineNr">332 </span><span class="muRecipe">def</span> test-factorial [
+<span id="L333" class="LineNr">333 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">5</span>
+<span id="L334" class="LineNr">334 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>
+<span id="L335" class="LineNr">335 </span>  <span class="Delimiter">{</span>
+<span id="L336" class="LineNr">336 </span>    <span class="Constant">3</span>:<span class="Normal">bool</span><span class="Special"> &lt;- </span>equal <span class="Constant">1</span>:num<span class="Delimiter">,</span> <span class="Constant">1</span>
+<span id="L337" class="LineNr">337 </span>    <span class="Identifier">break</span>-<span class="Normal">if</span> <span class="Constant">3</span>:<span class="Normal">bool</span>
+<span id="L338" class="LineNr">338 </span><span class="Comment">#    $print 1:num</span>
+<span id="L339" class="LineNr">339 </span>    <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>multiply <span class="Constant">2</span>:num<span class="Delimiter">,</span> <span class="Constant">1</span>:num
+<span id="L340" class="LineNr">340 </span>    <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>subtract <span class="Constant">1</span>:num<span class="Delimiter">,</span> <span class="Constant">1</span>
+<span id="L341" class="LineNr">341 </span>    loop
+<span id="L342" class="LineNr">342 </span>  <span class="Delimiter">}</span>
+<span id="L343" class="LineNr">343 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">2</span>:num  <span class="Comment"># trigger a read</span>
+<span id="L344" class="LineNr">344 </span>]
+<span id="L345" class="LineNr">345 </span><span class="traceContains">+mem: location 2 is 120</span>
+<span id="L346" class="LineNr">346 </span>
+<span id="L347" class="LineNr">347 </span><span class="Delimiter">:(scenario break_outside_braces_fails)</span>
+<span id="L348" class="LineNr">348 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L349" class="LineNr">349 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L350" class="LineNr">350 </span>  <span class="Identifier">break</span>
+<span id="L351" class="LineNr">351 </span>]
+<span id="L352" class="LineNr">352 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: 'break' needs a '{' before</span>
+<span id="L353" class="LineNr">353 </span>
+<span id="L354" class="LineNr">354 </span><span class="Delimiter">:(scenario break_conditional_without_ingredient_fails)</span>
+<span id="L355" class="LineNr">355 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L356" class="LineNr">356 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L357" class="LineNr">357 </span>  <span class="Delimiter">{</span>
+<span id="L358" class="LineNr">358 </span>    <span class="Identifier">break</span>-<span class="Normal">if</span>
+<span id="L359" class="LineNr">359 </span>  <span class="Delimiter">}</span>
+<span id="L360" class="LineNr">360 </span>]
+<span id="L361" class="LineNr">361 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: 'break-if' expects 1 or 2 ingredients, but got none</span>
+<span id="L362" class="LineNr">362 </span>
+<span id="L363" class="LineNr">363 </span><span class="Comment">//: Using break we can now implement conditional returns.</span>
+<span id="L364" class="LineNr">364 </span>
+<span id="L365" class="LineNr">365 </span><span class="Delimiter">:(scenario return_if)</span>
+<span id="L366" class="LineNr">366 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L367" class="LineNr">367 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>test1
+<span id="L368" class="LineNr">368 </span>]
+<span id="L369" class="LineNr">369 </span><span class="muRecipe">def</span> test1 [
+<span id="L370" class="LineNr">370 </span>  <span class="Identifier">return</span>-<span class="Normal">if</span> <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L371" class="LineNr">371 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
+<span id="L372" class="LineNr">372 </span>]
+<span id="L373" class="LineNr">373 </span><span class="traceContains">+mem: storing 35 in location 1</span>
+<span id="L374" class="LineNr">374 </span>
+<span id="L375" class="LineNr">375 </span><span class="Delimiter">:(scenario return_if_2)</span>
+<span id="L376" class="LineNr">376 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L377" class="LineNr">377 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>test1
+<span id="L378" class="LineNr">378 </span>]
+<span id="L379" class="LineNr">379 </span><span class="muRecipe">def</span> test1 [
+<span id="L380" class="LineNr">380 </span>  <span class="Identifier">return</span>-<span class="Normal">if</span> <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L381" class="LineNr">381 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
+<span id="L382" class="LineNr">382 </span>]
+<span id="L383" class="LineNr">383 </span><span class="traceContains">+mem: storing 34 in location 1</span>
+<span id="L384" class="LineNr">384 </span>
+<span id="L385" class="LineNr">385 </span><span class="Delimiter">:(before &quot;End Rewrite Instruction(curr, <a href='010vm.cc.html#L19'>recipe</a> result)&quot;)</span>
+<span id="L386" class="LineNr">386 </span><span class="Comment">// rewrite 'return-if a, b, c, ...' to</span>
+<span id="L387" class="LineNr">387 </span><span class="Comment">//   ```</span>
+<span id="L388" class="LineNr">388 </span><span class="Comment">//   {</span>
+<span id="L389" class="LineNr">389 </span><span class="Comment">//     break-unless a</span>
+<span id="L390" class="LineNr">390 </span><span class="Comment">//     return b, c, ...</span>
+<span id="L391" class="LineNr">391 </span><span class="Comment">//   }</span>
+<span id="L392" class="LineNr">392 </span><span class="Comment">//   ```</span>
+<span id="L393" class="LineNr">393 </span><span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>name == <span class="Constant">&quot;return-if&quot;</span> || curr<span class="Delimiter">.</span>name == <span class="Constant">&quot;reply-if&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L394" class="LineNr">394 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
+<span id="L395" class="LineNr">395 </span>    <a href='040brace.cc.html#L420'>emit_return_block</a><span class="Delimiter">(</span>result<span class="Delimiter">,</span> <span class="Constant">&quot;break-unless&quot;</span><span class="Delimiter">,</span> curr<span class="Delimiter">);</span>
+<span id="L396" class="LineNr">396 </span>    curr<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L397" class="LineNr">397 </span>  <span class="Delimiter">}</span>
+<span id="L398" class="LineNr">398 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
+<span id="L399" class="LineNr">399 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; curr<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' never yields any products</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L400" class="LineNr">400 </span>  <span class="Delimiter">}</span>
+<span id="L401" class="LineNr">401 </span><span class="Delimiter">}</span>
+<span id="L402" class="LineNr">402 </span><span class="Comment">// rewrite 'return-unless a, b, c, ...' to</span>
+<span id="L403" class="LineNr">403 </span><span class="Comment">//   ```</span>
+<span id="L404" class="LineNr">404 </span><span class="Comment">//   {</span>
+<span id="L405" class="LineNr">405 </span><span class="Comment">//     break-if a</span>
+<span id="L406" class="LineNr">406 </span><span class="Comment">//     return b, c, ...</span>
+<span id="L407" class="LineNr">407 </span><span class="Comment">//   }</span>
+<span id="L408" class="LineNr">408 </span><span class="Comment">//   ```</span>
+<span id="L409" class="LineNr">409 </span><span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>name == <span class="Constant">&quot;return-unless&quot;</span> || curr<span class="Delimiter">.</span>name == <span class="Constant">&quot;reply-unless&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L410" class="LineNr">410 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
+<span id="L411" class="LineNr">411 </span>    <a href='040brace.cc.html#L420'>emit_return_block</a><span class="Delimiter">(</span>result<span class="Delimiter">,</span> <span class="Constant">&quot;break-if&quot;</span><span class="Delimiter">,</span> curr<span class="Delimiter">);</span>
+<span id="L412" class="LineNr">412 </span>    curr<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L413" class="LineNr">413 </span>  <span class="Delimiter">}</span>
+<span id="L414" class="LineNr">414 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
+<span id="L415" class="LineNr">415 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; curr<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' never yields any products</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L416" class="LineNr">416 </span>  <span class="Delimiter">}</span>
+<span id="L417" class="LineNr">417 </span><span class="Delimiter">}</span>
+<span id="L418" class="LineNr">418 </span>
+<span id="L419" class="LineNr">419 </span><span class="Delimiter">:(code)</span>
+<span id="L420" class="LineNr">420 </span><span class="Normal">void</span> <a href='040brace.cc.html#L420'>emit_return_block</a><span class="Delimiter">(</span>recipe&amp; out<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; break_command<span class="Delimiter">,</span> <span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L421" class="LineNr">421 </span>  <span class="Normal">const</span> vector&lt;reagent&gt;&amp; ingredients = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">;</span>
+<span id="L422" class="LineNr">422 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> condition = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L423" class="LineNr">423 </span>  vector&lt;reagent&gt; return_ingredients<span class="Delimiter">;</span>
+<span id="L424" class="LineNr">424 </span>  copy<span class="Delimiter">(</span>++ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> ingredients<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">(),</span> inserter<span class="Delimiter">(</span>return_ingredients<span class="Delimiter">,</span> return_ingredients<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">()));</span>
+<span id="L425" class="LineNr">425 </span>
+<span id="L426" class="LineNr">426 </span>  <span class="Comment">// {</span>
+<span id="L427" class="LineNr">427 </span>  <a href='010vm.cc.html#L32'>instruction</a> open_label<span class="Delimiter">;</span>  open_label<span class="Delimiter">.</span>is_label=<span class="Constant">true</span><span class="Delimiter">;</span>  open_label<span class="Delimiter">.</span>label = <span class="Constant">&quot;{&quot;</span><span class="Delimiter">;</span>
+<span id="L428" class="LineNr">428 </span>  out<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>open_label<span class="Delimiter">);</span>
+<span id="L429" class="LineNr">429 </span>
+<span id="L430" class="LineNr">430 </span>  <span class="Comment">// &lt;break command&gt; &lt;condition&gt;</span>
+<span id="L431" class="LineNr">431 </span>  <a href='010vm.cc.html#L32'>instruction</a> break_inst<span class="Delimiter">;</span>
+<span id="L432" class="LineNr">432 </span>  break_inst<span class="Delimiter">.</span>operation = get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> break_command<span class="Delimiter">);</span>
+<span id="L433" class="LineNr">433 </span>  break_inst<span class="Delimiter">.</span>name = break_command<span class="Delimiter">;</span>
+<span id="L434" class="LineNr">434 </span>  break_inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>condition<span class="Delimiter">);</span>
+<span id="L435" class="LineNr">435 </span>  out<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>break_inst<span class="Delimiter">);</span>
+<span id="L436" class="LineNr">436 </span>
+<span id="L437" class="LineNr">437 </span>  <span class="Comment">// return &lt;return ingredients&gt;</span>
+<span id="L438" class="LineNr">438 </span>  <a href='010vm.cc.html#L32'>instruction</a> return_inst<span class="Delimiter">;</span>
+<span id="L439" class="LineNr">439 </span>  return_inst<span class="Delimiter">.</span>operation = get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;return&quot;</span><span class="Delimiter">);</span>
+<span id="L440" class="LineNr">440 </span>  return_inst<span class="Delimiter">.</span>name = <span class="Constant">&quot;return&quot;</span><span class="Delimiter">;</span>
+<span id="L441" class="LineNr">441 </span>  return_inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>swap<span class="Delimiter">(</span>return_ingredients<span class="Delimiter">);</span>
+<span id="L442" class="LineNr">442 </span>  return_inst<span class="Delimiter">.</span>original_string = inst<span class="Delimiter">.</span>original_string<span class="Delimiter">;</span>
+<span id="L443" class="LineNr">443 </span>  out<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>return_inst<span class="Delimiter">);</span>
+<span id="L444" class="LineNr">444 </span>
+<span id="L445" class="LineNr">445 </span>  <span class="Comment">// }</span>
+<span id="L446" class="LineNr">446 </span>  <a href='010vm.cc.html#L32'>instruction</a> close_label<span class="Delimiter">;</span>  close_label<span class="Delimiter">.</span>is_label=<span class="Constant">true</span><span class="Delimiter">;</span>  close_label<span class="Delimiter">.</span>label = <span class="Constant">&quot;}&quot;</span><span class="Delimiter">;</span>
+<span id="L447" class="LineNr">447 </span>  out<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>close_label<span class="Delimiter">);</span>
+<span id="L448" class="LineNr">448 </span><span class="Delimiter">}</span>
+<span id="L449" class="LineNr">449 </span>
+<span id="L450" class="LineNr">450 </span><span class="Comment">//: Make sure these pseudo recipes get consistent numbers in all tests, even</span>
+<span id="L451" class="LineNr">451 </span><span class="Comment">//: though they aren't implemented. Allows greater flexibility in ordering</span>
+<span id="L452" class="LineNr">452 </span><span class="Comment">//: transforms.</span>
+<span id="L453" class="LineNr">453 </span>
+<span id="L454" class="LineNr">454 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
+<span id="L455" class="LineNr">455 </span>BREAK<span class="Delimiter">,</span>
+<span id="L456" class="LineNr">456 </span>BREAK_IF<span class="Delimiter">,</span>
+<span id="L457" class="LineNr">457 </span>BREAK_UNLESS<span class="Delimiter">,</span>
+<span id="L458" class="LineNr">458 </span>LOOP<span class="Delimiter">,</span>
+<span id="L459" class="LineNr">459 </span>LOOP_IF<span class="Delimiter">,</span>
+<span id="L460" class="LineNr">460 </span>LOOP_UNLESS<span class="Delimiter">,</span>
+<span id="L461" class="LineNr">461 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
+<span id="L462" class="LineNr">462 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break&quot;</span><span class="Delimiter">,</span> BREAK<span class="Delimiter">);</span>
+<span id="L463" class="LineNr">463 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break-if&quot;</span><span class="Delimiter">,</span> BREAK_IF<span class="Delimiter">);</span>
+<span id="L464" class="LineNr">464 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;break-unless&quot;</span><span class="Delimiter">,</span> BREAK_UNLESS<span class="Delimiter">);</span>
+<span id="L465" class="LineNr">465 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop&quot;</span><span class="Delimiter">,</span> LOOP<span class="Delimiter">);</span>
+<span id="L466" class="LineNr">466 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop-if&quot;</span><span class="Delimiter">,</span> LOOP_IF<span class="Delimiter">);</span>
+<span id="L467" class="LineNr">467 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;loop-unless&quot;</span><span class="Delimiter">,</span> LOOP_UNLESS<span class="Delimiter">);</span>
+<span id="L468" class="LineNr">468 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
+<span id="L469" class="LineNr">469 </span><span class="Normal">case</span> BREAK: <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L470" class="LineNr">470 </span><span class="Normal">case</span> BREAK_IF: <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L471" class="LineNr">471 </span><span class="Normal">case</span> BREAK_UNLESS: <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L472" class="LineNr">472 </span><span class="Normal">case</span> LOOP: <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L473" class="LineNr">473 </span><span class="Normal">case</span> LOOP_IF: <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L474" class="LineNr">474 </span><span class="Normal">case</span> LOOP_UNLESS: <span class="Identifier">break</span><span class="Delimiter">;</span>
 </pre>
 </body>
 </html>
diff --git a/html/041jump_target.cc.html b/html/041jump_target.cc.html
index 0b8bfbc3..abf0871c 100644
--- a/html/041jump_target.cc.html
+++ b/html/041jump_target.cc.html
@@ -139,22 +139,22 @@ if ('onhashchange' in window) {
 <span id="L76" class="LineNr"> 76 </span><span class="Normal">void</span> <a href='041jump_target.cc.html#L76'>replace_offset</a><span class="Delimiter">(</span>reagent&amp; x<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">const</span><span class="Comment">*/</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">int</span>&gt;&amp; offset<span class="Delimiter">,</span> <span class="Normal">const</span> <span class="Normal">int</span> current_offset<span class="Delimiter">,</span> <span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L77" class="LineNr"> 77 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal<span class="Delimiter">(</span>x<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L78" class="LineNr"> 78 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;jump target must be offset or label but is '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L79" class="LineNr"> 79 </span>    x<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>  <span class="Comment">// no jump by default</span>
+<span id="L79" class="LineNr"> 79 </span>    x<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>  <span class="Comment">// no jump by default</span>
 <span id="L80" class="LineNr"> 80 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L81" class="LineNr"> 81 </span>  <span class="Delimiter">}</span>
 <span id="L82" class="LineNr"> 82 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>initialized<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L83" class="LineNr"> 83 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_integer<span class="Delimiter">(</span>x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>  <span class="Comment">// non-labels will be handled like other number operands</span>
 <span id="L84" class="LineNr"> 84 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_jump_target<span class="Delimiter">(</span>x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L85" class="LineNr"> 85 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;can't jump to label '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-<span id="L86" class="LineNr"> 86 </span>    x<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>  <span class="Comment">// no jump by default</span>
+<span id="L86" class="LineNr"> 86 </span>    x<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>  <span class="Comment">// no jump by default</span>
 <span id="L87" class="LineNr"> 87 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L88" class="LineNr"> 88 </span>  <span class="Delimiter">}</span>
 <span id="L89" class="LineNr"> 89 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>offset<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L90" class="LineNr"> 90 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;can't find label '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-<span id="L91" class="LineNr"> 91 </span>    x<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>  <span class="Comment">// no jump by default</span>
+<span id="L91" class="LineNr"> 91 </span>    x<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>  <span class="Comment">// no jump by default</span>
 <span id="L92" class="LineNr"> 92 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L93" class="LineNr"> 93 </span>  <span class="Delimiter">}</span>
-<span id="L94" class="LineNr"> 94 </span>  x<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>offset<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">)</span> - current_offset<span class="Delimiter">);</span>
+<span id="L94" class="LineNr"> 94 </span>  x<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>offset<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">)</span> - current_offset<span class="Delimiter">);</span>
 <span id="L95" class="LineNr"> 95 </span><span class="Delimiter">}</span>
 <span id="L96" class="LineNr"> 96 </span>
 <span id="L97" class="LineNr"> 97 </span><span class="Delimiter">:(scenario break_to_label)</span>
diff --git a/html/042name.cc.html b/html/042name.cc.html
index 710d2921..b0ef0f85 100644
--- a/html/042name.cc.html
+++ b/html/042name.cc.html
@@ -124,7 +124,7 @@ if ('onhashchange' in window) {
 <span id="L60" class="LineNr"> 60 </span>      <span class="Delimiter">}</span>
 <span id="L61" class="LineNr"> 61 </span>      <span class="Normal">int</span> v = lookup_name<span class="Delimiter">(</span>ingredient<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L62" class="LineNr"> 62 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>v &gt;= <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L63" class="LineNr"> 63 </span>        ingredient<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>v<span class="Delimiter">);</span>
+<span id="L63" class="LineNr"> 63 </span>        ingredient<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>v<span class="Delimiter">);</span>
 <span id="L64" class="LineNr"> 64 </span>        <span class="Comment">// Done Placing Ingredient(ingredient, inst, caller)</span>
 <span id="L65" class="LineNr"> 65 </span>      <span class="Delimiter">}</span>
 <span id="L66" class="LineNr"> 66 </span>      <span class="Normal">else</span> <span class="Delimiter">{</span>
@@ -145,7 +145,7 @@ if ('onhashchange' in window) {
 <span id="L81" class="LineNr"> 81 </span>      <span class="Delimiter">}</span>
 <span id="L82" class="LineNr"> 82 </span>      <span class="Normal">int</span> v = lookup_name<span class="Delimiter">(</span>product<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L83" class="LineNr"> 83 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>v &gt;= <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L84" class="LineNr"> 84 </span>        product<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>v<span class="Delimiter">);</span>
+<span id="L84" class="LineNr"> 84 </span>        product<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>v<span class="Delimiter">);</span>
 <span id="L85" class="LineNr"> 85 </span>        <span class="Comment">// Done Placing Product(product, inst, caller)</span>
 <span id="L86" class="LineNr"> 86 </span>      <span class="Delimiter">}</span>
 <span id="L87" class="LineNr"> 87 </span>      <span class="Normal">else</span> <span class="Delimiter">{</span>
@@ -179,7 +179,7 @@ if ('onhashchange' in window) {
 <span id="L115" class="LineNr">115 </span>  <span class="Identifier">return</span> Name[default_recipe][r<span class="Delimiter">.</span>name]<span class="Delimiter">;</span>
 <span id="L116" class="LineNr">116 </span><span class="Delimiter">}</span>
 <span id="L117" class="LineNr">117 </span>
-<span id="L118" class="LineNr">118 </span><a href='010vm.cc.html#L123'>type_ordinal</a> <a href='042name.cc.html#L118'>skip_addresses</a><span class="Delimiter">(</span>type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L118" class="LineNr">118 </span><a href='010vm.cc.html#L124'>type_ordinal</a> <a href='042name.cc.html#L118'>skip_addresses</a><span class="Delimiter">(</span>type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L119" class="LineNr">119 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>type &amp;&amp; <a href='042name.cc.html#L131'>is_compound_type_starting_with</a><span class="Delimiter">(</span>type<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">))</span>
 <span id="L120" class="LineNr">120 </span>    type = type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
 <span id="L121" class="LineNr">121 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> -<span class="Constant">1</span><span class="Delimiter">;</span>  <span class="Comment">// error handled elsewhere</span>
@@ -199,7 +199,7 @@ if ('onhashchange' in window) {
 <span id="L135" class="LineNr">135 </span>  <span class="Identifier">return</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> expected_name<span class="Delimiter">);</span>
 <span id="L136" class="LineNr">136 </span><span class="Delimiter">}</span>
 <span id="L137" class="LineNr">137 </span>
-<span id="L138" class="LineNr">138 </span><span class="Normal">int</span> <a href='042name.cc.html#L138'>find_element_name</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L123'>type_ordinal</a> t<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; name<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; recipe_name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L138" class="LineNr">138 </span><span class="Normal">int</span> <a href='042name.cc.html#L138'>find_element_name</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L124'>type_ordinal</a> t<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; name<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; recipe_name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L139" class="LineNr">139 </span>  <span class="Normal">const</span> type_info&amp; container = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> t<span class="Delimiter">);</span>
 <span id="L140" class="LineNr">140 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>container<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
 <span id="L141" class="LineNr">141 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>container<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name == name<span class="Delimiter">)</span> <span class="Identifier">return</span> i<span class="Delimiter">;</span>
@@ -328,9 +328,9 @@ if ('onhashchange' in window) {
 <span id="L264" class="LineNr">264 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
 <span id="L265" class="LineNr">265 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name<span class="Delimiter">.</span>find_first_not_of<span class="Delimiter">(</span><span class="Constant">&quot;0123456789&quot;</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L266" class="LineNr">266 </span>    <span class="Comment">// since first non-address in base type must be a container, we don't have to canonize</span>
-<span id="L267" class="LineNr">267 </span>    <a href='010vm.cc.html#L123'>type_ordinal</a> base_type = <a href='042name.cc.html#L118'>skip_addresses</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>type<span class="Delimiter">);</span>
+<span id="L267" class="LineNr">267 </span>    <a href='010vm.cc.html#L124'>type_ordinal</a> base_type = <a href='042name.cc.html#L118'>skip_addresses</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>type<span class="Delimiter">);</span>
 <span id="L268" class="LineNr">268 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">))</span> <span class="Delimiter">{</span>  <span class="Comment">// otherwise we'll raise an error elsewhere</span>
-<span id="L269" class="LineNr">269 </span>      inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><a href='042name.cc.html#L138'>find_element_name</a><span class="Delimiter">(</span>base_type<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">));</span>
+<span id="L269" class="LineNr">269 </span>      inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span><a href='042name.cc.html#L138'>find_element_name</a><span class="Delimiter">(</span>base_type<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">));</span>
 <span id="L270" class="LineNr">270 </span>      <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;name&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;element &quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot; of type &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot; is at offset &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>value<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L271" class="LineNr">271 </span>    <span class="Delimiter">}</span>
 <span id="L272" class="LineNr">272 </span>  <span class="Delimiter">}</span>
@@ -378,9 +378,9 @@ if ('onhashchange' in window) {
 <span id="L314" class="LineNr">314 </span>  assert<span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)));</span>
 <span id="L315" class="LineNr">315 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name<span class="Delimiter">.</span>find_first_not_of<span class="Delimiter">(</span><span class="Constant">&quot;0123456789&quot;</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L316" class="LineNr">316 </span>    <span class="Comment">// since first non-address in base type must be an exclusive container, we don't have to canonize</span>
-<span id="L317" class="LineNr">317 </span>    <a href='010vm.cc.html#L123'>type_ordinal</a> base_type = <a href='042name.cc.html#L118'>skip_addresses</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>type<span class="Delimiter">);</span>
+<span id="L317" class="LineNr">317 </span>    <a href='010vm.cc.html#L124'>type_ordinal</a> base_type = <a href='042name.cc.html#L118'>skip_addresses</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>type<span class="Delimiter">);</span>
 <span id="L318" class="LineNr">318 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">))</span> <span class="Delimiter">{</span>  <span class="Comment">// otherwise we'll raise an error elsewhere</span>
-<span id="L319" class="LineNr">319 </span>      inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><a href='042name.cc.html#L138'>find_element_name</a><span class="Delimiter">(</span>base_type<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">));</span>
+<span id="L319" class="LineNr">319 </span>      inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span><a href='042name.cc.html#L138'>find_element_name</a><span class="Delimiter">(</span>base_type<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">));</span>
 <span id="L320" class="LineNr">320 </span>      <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;name&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;variant &quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot; of type &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_type<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot; has tag &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>value<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L321" class="LineNr">321 </span>    <span class="Delimiter">}</span>
 <span id="L322" class="LineNr">322 </span>  <span class="Delimiter">}</span>
diff --git a/html/043space.cc.html b/html/043space.cc.html
index 63c27f3c..f6ab6d50 100644
--- a/html/043space.cc.html
+++ b/html/043space.cc.html
@@ -131,7 +131,7 @@ if ('onhashchange' in window) {
 <span id="L67" class="LineNr"> 67 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name == <span class="Constant">&quot;default-space&quot;</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L68" class="LineNr"> 68 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>initialized<span class="Delimiter">)</span>
 <span id="L69" class="LineNr"> 69 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; to_original_string<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;: reagent not initialized: '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L70" class="LineNr"> 70 </span>  x<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><a href='043space.cc.html#L80'>address</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>value<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>space_base</a><span class="Delimiter">(</span>x<span class="Delimiter">)));</span>
+<span id="L70" class="LineNr"> 70 </span>  x<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span><a href='043space.cc.html#L80'>address</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>value<span class="Delimiter">,</span> <a href='043space.cc.html#L76'>space_base</a><span class="Delimiter">(</span>x<span class="Delimiter">)));</span>
 <span id="L71" class="LineNr"> 71 </span>  x<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;string<span class="Delimiter">,</span> string_tree*&gt;<span class="Delimiter">(</span><span class="Constant">&quot;raw&quot;</span><span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">));</span>
 <span id="L72" class="LineNr"> 72 </span>  assert<span class="Delimiter">(</span><a href='022arithmetic.cc.html#L108'>is_raw</a><span class="Delimiter">(</span>x<span class="Delimiter">));</span>
 <span id="L73" class="LineNr"> 73 </span><span class="Delimiter">}</span>
diff --git a/html/050scenario.cc.html b/html/050scenario.cc.html
index 05fe6e24..b8c45288 100644
--- a/html/050scenario.cc.html
+++ b/html/050scenario.cc.html
@@ -506,8 +506,8 @@ if ('onhashchange' in window) {
 <span id="L440" class="LineNr">440 </span>
 <span id="L441" class="LineNr">441 </span><span class="Normal">void</span> <a href='046check_type_by_name.cc.html#L59'>check_type</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; lhs<span class="Delimiter">,</span> istream&amp; in<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L442" class="LineNr">442 </span>  reagent x<span class="Delimiter">(</span>lhs<span class="Delimiter">);</span>
-<span id="L443" class="LineNr">443 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_array<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &amp;&amp; is_mu_character<span class="Delimiter">(</span><a href='032array.cc.html#L381'>array_element</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
-<span id="L444" class="LineNr">444 </span>    x<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>to_integer<span class="Delimiter">(</span>x<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
+<span id="L443" class="LineNr">443 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_array<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &amp;&amp; is_mu_character<span class="Delimiter">(</span><a href='032array.cc.html#L379'>array_element</a><span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+<span id="L444" class="LineNr">444 </span>    x<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>to_integer<span class="Delimiter">(</span>x<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
 <span id="L445" class="LineNr">445 </span>    <a href='011load.cc.html#L209'>skip_whitespace_and_comments</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
 <span id="L446" class="LineNr">446 </span>    string _assign = <a href='011load.cc.html#L167'>next_word</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>
 <span id="L447" class="LineNr">447 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>_assign<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
@@ -540,10 +540,10 @@ if ('onhashchange' in window) {
 <span id="L474" class="LineNr">474 </span>
 <span id="L475" class="LineNr">475 </span><span class="Normal">void</span> check_mu_text<span class="Delimiter">(</span><span class="Normal">int</span> start<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; literal<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L476" class="LineNr">476 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;checking text length at &quot;</span> &lt;&lt; start &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L477" class="LineNr">477 </span>  <span class="Normal">int</span> <a href='032array.cc.html#L397'>array_length</a> = <span class="Normal">static_cast</span>&lt;<span class="Normal">int</span>&gt;<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> start<span class="Delimiter">));</span>
-<span id="L478" class="LineNr">478 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='032array.cc.html#L397'>array_length</a> != <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>literal<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L477" class="LineNr">477 </span>  <span class="Normal">int</span> <a href='032array.cc.html#L395'>array_length</a> = <span class="Normal">static_cast</span>&lt;<span class="Normal">int</span>&gt;<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> start<span class="Delimiter">));</span>
+<span id="L478" class="LineNr">478 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='032array.cc.html#L395'>array_length</a> != <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>literal<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L479" class="LineNr">479 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!Hide_errors<span class="Delimiter">)</span> cerr &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
-<span id="L480" class="LineNr">480 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;F - &quot;</span> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;expected location '&quot;</span> &lt;&lt; start &lt;&lt; <span class="Constant">&quot;' to contain length &quot;</span> &lt;&lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>literal<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; of text [&quot;</span> &lt;&lt; literal &lt;&lt; <span class="Constant">&quot;] but saw &quot;</span> &lt;&lt; <a href='032array.cc.html#L397'>array_length</a> &lt;&lt; <span class="Constant">&quot; (for text [&quot;</span> &lt;&lt; <a href='038new_text.cc.html#L148'>read_mu_characters</a><span class="Delimiter">(</span>start+<span class="Comment">/*</span><span class="Comment">skip length</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> <a href='032array.cc.html#L397'>array_length</a><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;])</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L480" class="LineNr">480 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;F - &quot;</span> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;expected location '&quot;</span> &lt;&lt; start &lt;&lt; <span class="Constant">&quot;' to contain length &quot;</span> &lt;&lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>literal<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; of text [&quot;</span> &lt;&lt; literal &lt;&lt; <span class="Constant">&quot;] but saw &quot;</span> &lt;&lt; <a href='032array.cc.html#L395'>array_length</a> &lt;&lt; <span class="Constant">&quot; (for text [&quot;</span> &lt;&lt; <a href='038new_text.cc.html#L148'>read_mu_characters</a><span class="Delimiter">(</span>start+<span class="Comment">/*</span><span class="Comment">skip length</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">,</span> <a href='032array.cc.html#L395'>array_length</a><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;])</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L481" class="LineNr">481 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!Scenario_testing_scenario<span class="Delimiter">)</span> Passed = <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L482" class="LineNr">482 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L483" class="LineNr">483 </span>  <span class="Delimiter">}</span>
diff --git a/html/055shape_shifting_container.cc.html b/html/055shape_shifting_container.cc.html
index bc1ec299..2b8ab3e3 100644
--- a/html/055shape_shifting_container.cc.html
+++ b/html/055shape_shifting_container.cc.html
@@ -622,11 +622,11 @@ if ('onhashchange' in window) {
 <span id="L557" class="LineNr">557 </span><span class="Normal">const</span> type_tree* root = get_base_type<span class="Delimiter">(</span>type<span class="Delimiter">);</span>
 <span id="L558" class="LineNr">558 </span><span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> root<span class="Delimiter">-&gt;</span>value<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L559" class="LineNr">559 </span>  type_info&amp; info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> root<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
-<span id="L560" class="LineNr">560 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L560" class="LineNr">560 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L561" class="LineNr">561 </span>    compute_container_sizes<span class="Delimiter">(</span>info<span class="Delimiter">,</span> type<span class="Delimiter">,</span> pending_metadata<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
 <span id="L562" class="LineNr">562 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L563" class="LineNr">563 </span>  <span class="Delimiter">}</span>
-<span id="L564" class="LineNr">564 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L564" class="LineNr">564 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L175'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L565" class="LineNr">565 </span>    <a href='033exclusive_container.cc.html#L44'>compute_exclusive_container_sizes</a><span class="Delimiter">(</span>info<span class="Delimiter">,</span> type<span class="Delimiter">,</span> pending_metadata<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
 <span id="L566" class="LineNr">566 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L567" class="LineNr">567 </span>  <span class="Delimiter">}</span>
@@ -684,11 +684,11 @@ if ('onhashchange' in window) {
 <span id="L619" class="LineNr">619 </span><span class="Normal">const</span> type_tree* root = get_base_type<span class="Delimiter">(</span>type<span class="Delimiter">);</span>
 <span id="L620" class="LineNr">620 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> root<span class="Delimiter">-&gt;</span>value<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
 <span id="L621" class="LineNr">621 </span>type_info&amp; info = get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> root<span class="Delimiter">-&gt;</span>value<span class="Delimiter">);</span>
-<span id="L622" class="LineNr">622 </span><span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L622" class="LineNr">622 </span><span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L623" class="LineNr">623 </span>  compute_container_address_offsets<span class="Delimiter">(</span>info<span class="Delimiter">,</span> type<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
 <span id="L624" class="LineNr">624 </span>  <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L625" class="LineNr">625 </span><span class="Delimiter">}</span>
-<span id="L626" class="LineNr">626 </span><span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L174'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L626" class="LineNr">626 </span><span class="Normal">if</span> <span class="Delimiter">(</span>info<span class="Delimiter">.</span>kind == <a href='010vm.cc.html#L175'>EXCLUSIVE_CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L627" class="LineNr">627 </span>  <a href='036refcount.cc.html#L150'>compute_exclusive_container_address_offsets</a><span class="Delimiter">(</span>info<span class="Delimiter">,</span> type<span class="Delimiter">,</span> location_for_error_messages<span class="Delimiter">);</span>
 <span id="L628" class="LineNr">628 </span>  <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L629" class="LineNr">629 </span><span class="Delimiter">}</span>
diff --git a/html/057immutable.cc.html b/html/057immutable.cc.html
index 32227ea4..6949e418 100644
--- a/html/057immutable.cc.html
+++ b/html/057immutable.cc.html
@@ -429,7 +429,7 @@ if ('onhashchange' in window) {
 <span id="L366" class="LineNr">366 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L367" class="LineNr">367 </span>    <span class="Comment">// primitive recipe</span>
 <span id="L368" class="LineNr">368 </span>    <span class="Normal">switch</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L369" class="LineNr">369 </span>      <span class="Normal">case</span> <a href='010vm.cc.html#L189'>COPY</a>:
+<span id="L369" class="LineNr">369 </span>      <span class="Normal">case</span> <a href='010vm.cc.html#L190'>COPY</a>:
 <span id="L370" class="LineNr">370 </span>        <span class="Normal">for</span> <span class="Delimiter">(</span>set&lt;<span class="Normal">int</span>&gt;::iterator p = current_ingredient_indices<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != current_ingredient_indices<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span>
 <span id="L371" class="LineNr">371 </span>          current_ingredient_and_aliases<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>*p<span class="Delimiter">).</span>name<span class="Delimiter">);</span>
 <span id="L372" class="LineNr">372 </span>        <span class="Identifier">break</span><span class="Delimiter">;</span>
diff --git a/html/069hash.cc.html b/html/069hash.cc.html
index cb047f3a..06aa1a3e 100644
--- a/html/069hash.cc.html
+++ b/html/069hash.cc.html
@@ -120,7 +120,7 @@ if ('onhashchange' in window) {
 <span id="L56" class="LineNr"> 56 </span><span class="Normal">size_t</span> <a href='069hash.cc.html#L56'>hash_mu_address</a><span class="Delimiter">(</span><span class="Normal">size_t</span> h<span class="Delimiter">,</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L57" class="LineNr"> 57 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>value == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L58" class="LineNr"> 58 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;mem&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;location &quot;</span> &lt;&lt; r<span class="Delimiter">.</span>value &lt;&lt; <span class="Constant">&quot; is &quot;</span> &lt;&lt; no_scientific<span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> r<span class="Delimiter">.</span>value<span class="Delimiter">))</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L59" class="LineNr"> 59 </span>  r<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> r<span class="Delimiter">.</span>value<span class="Delimiter">));</span>
+<span id="L59" class="LineNr"> 59 </span>  r<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> r<span class="Delimiter">.</span>value<span class="Delimiter">));</span>
 <span id="L60" class="LineNr"> 60 </span>  drop_from_type<span class="Delimiter">(</span>r<span class="Delimiter">,</span> <span class="Constant">&quot;address&quot;</span><span class="Delimiter">);</span>
 <span id="L61" class="LineNr"> 61 </span>  <span class="Identifier">return</span> <a href='069hash.cc.html#L34'>hash</a><span class="Delimiter">(</span>h<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
 <span id="L62" class="LineNr"> 62 </span><span class="Delimiter">}</span>
@@ -138,10 +138,10 @@ if ('onhashchange' in window) {
 <span id="L74" class="LineNr"> 74 </span>  <span class="Normal">int</span> size = <a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> r<span class="Delimiter">.</span>value<span class="Delimiter">);</span>
 <span id="L75" class="LineNr"> 75 </span>  reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> elem = r<span class="Delimiter">;</span>
 <span id="L76" class="LineNr"> 76 </span>  <span class="Normal">delete</span> elem<span class="Delimiter">.</span>type<span class="Delimiter">;</span>
-<span id="L77" class="LineNr"> 77 </span>  elem<span class="Delimiter">.</span>type = <a href='032array.cc.html#L377'>copy_array_element</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<span id="L77" class="LineNr"> 77 </span>  elem<span class="Delimiter">.</span>type = <a href='032array.cc.html#L375'>copy_array_element</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
 <span id="L78" class="LineNr"> 78 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i=<span class="Constant">0</span><span class="Delimiter">,</span> <a href='043space.cc.html#L80'>address</a> = r<span class="Delimiter">.</span>value+<span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; size<span class="Delimiter">;</span>  ++i<span class="Delimiter">,</span> <a href='043space.cc.html#L80'>address</a> += size_of<span class="Delimiter">(</span>elem<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L79" class="LineNr"> 79 </span>    reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> tmp = elem<span class="Delimiter">;</span>
-<span id="L80" class="LineNr"> 80 </span>    tmp<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span><a href='043space.cc.html#L80'>address</a><span class="Delimiter">);</span>
+<span id="L80" class="LineNr"> 80 </span>    tmp<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span><a href='043space.cc.html#L80'>address</a><span class="Delimiter">);</span>
 <span id="L81" class="LineNr"> 81 </span>    h = <a href='069hash.cc.html#L34'>hash</a><span class="Delimiter">(</span>h<span class="Delimiter">,</span> tmp<span class="Delimiter">);</span>
 <span id="L82" class="LineNr"> 82 </span><span class="CommentedCode">//?     cerr &lt;&lt; i &lt;&lt; &quot; (&quot; &lt;&lt; address &lt;&lt; &quot;): &quot; &lt;&lt; h &lt;&lt; '\n';</span>
 <span id="L83" class="LineNr"> 83 </span>  <span class="Delimiter">}</span>
@@ -155,7 +155,7 @@ if ('onhashchange' in window) {
 <span id="L91" class="LineNr"> 91 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L92" class="LineNr"> 92 </span>    reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> element = <a href='030container.cc.html#L429'>element_type</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">,</span> i<span class="Delimiter">);</span>
 <span id="L93" class="LineNr"> 93 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>element<span class="Delimiter">,</span> <span class="Constant">&quot;ignore-for-hash&quot;</span><span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L94" class="LineNr"> 94 </span>    element<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>address+offset<span class="Delimiter">);</span>
+<span id="L94" class="LineNr"> 94 </span>    element<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>address+offset<span class="Delimiter">);</span>
 <span id="L95" class="LineNr"> 95 </span>    h = <a href='069hash.cc.html#L34'>hash</a><span class="Delimiter">(</span>h<span class="Delimiter">,</span> element<span class="Delimiter">);</span>
 <span id="L96" class="LineNr"> 96 </span><span class="CommentedCode">//?     cerr &lt;&lt; i &lt;&lt; &quot;: &quot; &lt;&lt; h &lt;&lt; '\n';</span>
 <span id="L97" class="LineNr"> 97 </span>    offset += size_of<span class="Delimiter">(</span>info<span class="Delimiter">.</span>elements<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
@@ -171,7 +171,7 @@ if ('onhashchange' in window) {
 <span id="L107" class="LineNr">107 </span>  <span class="Comment">// todo: move this error to container definition time</span>
 <span id="L108" class="LineNr">108 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>has_property<span class="Delimiter">(</span>variant<span class="Delimiter">,</span> <span class="Constant">&quot;ignore-for-hash&quot;</span><span class="Delimiter">))</span>
 <span id="L109" class="LineNr">109 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;: /ignore-for-hash won't work in exclusive containers</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-<span id="L110" class="LineNr">110 </span>  variant<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>value + <span class="Comment">/*</span><span class="Comment">skip tag</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L110" class="LineNr">110 </span>  variant<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>value + <span class="Comment">/*</span><span class="Comment">skip tag</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L111" class="LineNr">111 </span>  h = <a href='069hash.cc.html#L34'>hash</a><span class="Delimiter">(</span>h<span class="Delimiter">,</span> variant<span class="Delimiter">);</span>
 <span id="L112" class="LineNr">112 </span>  <span class="Identifier">return</span> h<span class="Delimiter">;</span>
 <span id="L113" class="LineNr">113 </span><span class="Delimiter">}</span>
diff --git a/html/071deep_copy.cc.html b/html/071deep_copy.cc.html
index c40eba03..954425e6 100644
--- a/html/071deep_copy.cc.html
+++ b/html/071deep_copy.cc.html
@@ -283,7 +283,7 @@ if ('onhashchange' in window) {
 <span id="L220" class="LineNr">220 </span>  <span class="Comment">// allocate a tiny bit of temporary space for deep_copy()</span>
 <span id="L221" class="LineNr">221 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;deep-copy: allocating space for temporary&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L222" class="LineNr">222 </span>  reagent tmp<span class="Delimiter">(</span><span class="Constant">&quot;tmp:<a href='043space.cc.html#L80'>address</a>:number&quot;</span><span class="Delimiter">);</span>
-<span id="L223" class="LineNr">223 </span>  tmp<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>allocate<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">));</span>
+<span id="L223" class="LineNr">223 </span>  tmp<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>allocate<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">));</span>
 <span id="L224" class="LineNr">224 </span>  map&lt;<span class="Normal">int</span><span class="Delimiter">,</span> <span class="Normal">int</span>&gt; addresses_copied<span class="Delimiter">;</span>
 <span id="L225" class="LineNr">225 </span>  vector&lt;<span class="Normal">double</span>&gt; result = deep_copy<span class="Delimiter">(</span>in<span class="Delimiter">,</span> addresses_copied<span class="Delimiter">,</span> tmp<span class="Delimiter">);</span>
 <span id="L226" class="LineNr">226 </span>  <span class="Comment">// reclaim Mu memory allocated for tmp</span>
@@ -331,7 +331,7 @@ if ('onhashchange' in window) {
 <span id="L268" class="LineNr">268 </span>  <span class="Comment">// a temporary location to help copy the payload.</span>
 <span id="L269" class="LineNr">269 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;deep-copy: writing temporary &quot;</span> &lt;&lt; tmp<span class="Delimiter">.</span>value &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; out &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L270" class="LineNr">270 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Memory<span class="Delimiter">,</span> tmp<span class="Delimiter">.</span>value<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
-<span id="L271" class="LineNr">271 </span>  payload<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>tmp<span class="Delimiter">.</span>value<span class="Delimiter">);</span>  <span class="Comment">// now modified for output</span>
+<span id="L271" class="LineNr">271 </span>  payload<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>tmp<span class="Delimiter">.</span>value<span class="Delimiter">);</span>  <span class="Comment">// now modified for output</span>
 <span id="L272" class="LineNr">272 </span>  vector&lt;<span class="Normal">double</span>&gt; old_data = read_memory<span class="Delimiter">(</span>payload<span class="Delimiter">);</span>
 <span id="L273" class="LineNr">273 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;deep-copy: really writing to &quot;</span> &lt;&lt; payload<span class="Delimiter">.</span>value &lt;&lt; <span class="Constant">' '</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>payload<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; (old value &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>old_data<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; new value &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>data<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;)&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L274" class="LineNr">274 </span>  write_memory<span class="Delimiter">(</span>payload<span class="Delimiter">,</span> data<span class="Delimiter">);</span>
@@ -362,7 +362,7 @@ if ('onhashchange' in window) {
 <span id="L299" class="LineNr">299 </span>        curr<span class="Delimiter">.</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">&quot;address&quot;</span><span class="Delimiter">),</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Normal">new</span> type_tree<span class="Delimiter">(</span>info<span class="Delimiter">-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">-&gt;</span>name<span class="Delimiter">),</span> <span class="Constant">NULL</span><span class="Delimiter">));</span>
 <span id="L300" class="LineNr">300 </span>      <span class="Normal">else</span>
 <span id="L301" class="LineNr">301 </span>        curr<span class="Delimiter">.</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">&quot;address&quot;</span><span class="Delimiter">),</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*info<span class="Delimiter">-&gt;</span><a href='030container.cc.html#L238'>payload_type</a><span class="Delimiter">));</span>
-<span id="L302" class="LineNr">302 </span>      curr<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>canonized_in<span class="Delimiter">.</span>value + info<span class="Delimiter">-&gt;</span>offset<span class="Delimiter">);</span>
+<span id="L302" class="LineNr">302 </span>      curr<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>canonized_in<span class="Delimiter">.</span>value + info<span class="Delimiter">-&gt;</span>offset<span class="Delimiter">);</span>
 <span id="L303" class="LineNr">303 </span>      curr<span class="Delimiter">.</span>properties<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pair&lt;string<span class="Delimiter">,</span> string_tree*&gt;<span class="Delimiter">(</span><span class="Constant">&quot;raw&quot;</span><span class="Delimiter">,</span> <span class="Constant">NULL</span><span class="Delimiter">));</span>
 <span id="L304" class="LineNr">304 </span>      <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;deep-copy: copying <a href='043space.cc.html#L80'>address</a> &quot;</span> &lt;&lt; curr<span class="Delimiter">.</span>value &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L305" class="LineNr">305 </span>      out<span class="Delimiter">.</span>at<span class="Delimiter">(</span>info<span class="Delimiter">-&gt;</span>offset<span class="Delimiter">)</span> = <a href='071deep_copy.cc.html#L250'>deep_copy_address</a><span class="Delimiter">(</span>curr<span class="Delimiter">,</span> addresses_copied<span class="Delimiter">,</span> tmp<span class="Delimiter">);</span>
diff --git a/html/072recipe.cc.html b/html/072recipe.cc.html
index 30bfd731..9717739c 100644
--- a/html/072recipe.cc.html
+++ b/html/072recipe.cc.html
@@ -64,462 +64,619 @@ if ('onhashchange' in window) {
 <span id="L1" class="LineNr">  1 </span><span class="Comment">//: So far we've been calling a fixed recipe in each instruction, but we'd</span>
 <span id="L2" class="LineNr">  2 </span><span class="Comment">//: also like to make the recipe a variable, pass recipes to &quot;higher-order&quot;</span>
 <span id="L3" class="LineNr">  3 </span><span class="Comment">//: recipes, return recipes from recipes and so on.</span>
-<span id="L4" class="LineNr">  4 </span><span class="Comment">//:</span>
-<span id="L5" class="LineNr">  5 </span><span class="Comment">//: todo: support storing shape-shifting recipes into recipe variables and calling them</span>
-<span id="L6" class="LineNr">  6 </span>
-<span id="L7" class="LineNr">  7 </span><span class="Delimiter">:(scenario call_literal_recipe)</span>
-<span id="L8" class="LineNr">  8 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L9" class="LineNr">  9 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>call f<span class="Delimiter">,</span> <span class="Constant">34</span>
-<span id="L10" class="LineNr"> 10 </span>]
-<span id="L11" class="LineNr"> 11 </span><span class="muRecipe">def</span> f x:num<span class="muRecipe"> -&gt; </span>y:num [
-<span id="L12" class="LineNr"> 12 </span>  local-scope
-<span id="L13" class="LineNr"> 13 </span>  load-ingredients
-<span id="L14" class="LineNr"> 14 </span>  y<span class="Special"> &lt;- </span>copy x
-<span id="L15" class="LineNr"> 15 </span>]
-<span id="L16" class="LineNr"> 16 </span><span class="traceContains">+mem: storing 34 in location 1</span>
-<span id="L17" class="LineNr"> 17 </span>
-<span id="L18" class="LineNr"> 18 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
-<span id="L19" class="LineNr"> 19 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;recipe-literal&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L20" class="LineNr"> 20 </span><span class="Comment">// 'recipe' variables can store recipe-literal</span>
-<span id="L21" class="LineNr"> 21 </span><a href='010vm.cc.html#L123'>type_ordinal</a> <a href='010vm.cc.html#L19'>recipe</a> = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
-<span id="L22" class="LineNr"> 22 </span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> <a href='010vm.cc.html#L19'>recipe</a><span class="Delimiter">).</span>name = <span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">;</span>
-<span id="L23" class="LineNr"> 23 </span>
-<span id="L24" class="LineNr"> 24 </span><span class="Delimiter">:(after &quot;Deduce Missing Type(x, caller)&quot;)</span>
-<span id="L25" class="LineNr"> 25 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span>
-<span id="L26" class="LineNr"> 26 </span>  <a href='072recipe.cc.html#L31'>try_initialize_recipe_literal</a><span class="Delimiter">(</span>x<span class="Delimiter">,</span> caller<span class="Delimiter">);</span>
-<span id="L27" class="LineNr"> 27 </span><span class="Delimiter">:(before &quot;Type Check in Type-ingredient-aware check_or_set_types_by_name&quot;)</span>
-<span id="L28" class="LineNr"> 28 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span>
-<span id="L29" class="LineNr"> 29 </span>  <a href='072recipe.cc.html#L31'>try_initialize_recipe_literal</a><span class="Delimiter">(</span>x<span class="Delimiter">,</span> variant<span class="Delimiter">);</span>
-<span id="L30" class="LineNr"> 30 </span><span class="Delimiter">:(code)</span>
-<span id="L31" class="LineNr"> 31 </span><span class="Normal">void</span> <a href='072recipe.cc.html#L31'>try_initialize_recipe_literal</a><span class="Delimiter">(</span>reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L32" class="LineNr"> 32 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L33" class="LineNr"> 33 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L34" class="LineNr"> 34 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='072recipe.cc.html#L38'>contains_reagent_with_non_recipe_literal_type</a><span class="Delimiter">(</span>caller<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L35" class="LineNr"> 35 </span>  x<span class="Delimiter">.</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">&quot;recipe-literal&quot;</span><span class="Delimiter">);</span>
-<span id="L36" class="LineNr"> 36 </span>  x<span class="Delimiter">.</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
-<span id="L37" class="LineNr"> 37 </span><span class="Delimiter">}</span>
-<span id="L38" class="LineNr"> 38 </span><span class="Normal">bool</span> <a href='072recipe.cc.html#L38'>contains_reagent_with_non_recipe_literal_type</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; caller<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L39" class="LineNr"> 39 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L40" class="LineNr"> 40 </span>    <span class="Normal">const</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-<span id="L41" class="LineNr"> 41 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L42" class="LineNr"> 42 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span><a href='072recipe.cc.html#L48'>is_matching_non_recipe_literal</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> name<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L43" class="LineNr"> 43 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L44" class="LineNr"> 44 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span><a href='072recipe.cc.html#L48'>is_matching_non_recipe_literal</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> name<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L45" class="LineNr"> 45 </span>  <span class="Delimiter">}</span>
-<span id="L46" class="LineNr"> 46 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L47" class="LineNr"> 47 </span><span class="Delimiter">}</span>
-<span id="L48" class="LineNr"> 48 </span><span class="Normal">bool</span> <a href='072recipe.cc.html#L48'>is_matching_non_recipe_literal</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L49" class="LineNr"> 49 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name != name<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L50" class="LineNr"> 50 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L51" class="LineNr"> 51 </span>  <span class="Identifier">return</span> !x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom || x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name != <span class="Constant">&quot;recipe-literal&quot;</span><span class="Delimiter">;</span>
-<span id="L52" class="LineNr"> 52 </span><span class="Delimiter">}</span>
-<span id="L53" class="LineNr"> 53 </span>
-<span id="L54" class="LineNr"> 54 </span><span class="Comment">//: It's confusing to use variable names that are also recipe names. Always</span>
-<span id="L55" class="LineNr"> 55 </span><span class="Comment">//: assume variable types override recipe literals.</span>
-<span id="L56" class="LineNr"> 56 </span><span class="Delimiter">:(scenario error_on_recipe_literal_used_as_a_variable)</span>
-<span id="L57" class="LineNr"> 57 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L58" class="LineNr"> 58 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L59" class="LineNr"> 59 </span>  local-scope
-<span id="L60" class="LineNr"> 60 </span>  <span class="Normal">a</span>:<span class="Normal">bool</span><span class="Special"> &lt;- </span>equal <span class="Identifier">break</span> <span class="Constant">0</span>
-<span id="L61" class="LineNr"> 61 </span>  <span class="Identifier">break</span>:<span class="Normal">bool</span><span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-<span id="L62" class="LineNr"> 62 </span>]
-<span id="L63" class="LineNr"> 63 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: missing type for 'break' in 'a:bool &lt;- equal break, 0'</span>
-<span id="L64" class="LineNr"> 64 </span>
-<span id="L65" class="LineNr"> 65 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
-<span id="L66" class="LineNr"> 66 </span>CALL<span class="Delimiter">,</span>
-<span id="L67" class="LineNr"> 67 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L68" class="LineNr"> 68 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;call&quot;</span><span class="Delimiter">,</span> CALL<span class="Delimiter">);</span>
-<span id="L69" class="LineNr"> 69 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
-<span id="L70" class="LineNr"> 70 </span><span class="Normal">case</span> CALL: <span class="Delimiter">{</span>
-<span id="L71" class="LineNr"> 71 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L72" class="LineNr"> 72 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'call' requires at least one ingredient (the <a href='010vm.cc.html#L19'>recipe</a> to call)</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L73" class="LineNr"> 73 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L74" class="LineNr"> 74 </span>  <span class="Delimiter">}</span>
-<span id="L75" class="LineNr"> 75 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_recipe<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
-<span id="L76" class="LineNr"> 76 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'call' should be a <a href='010vm.cc.html#L19'>recipe</a>, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L77" class="LineNr"> 77 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L78" class="LineNr"> 78 </span>  <span class="Delimiter">}</span>
-<span id="L79" class="LineNr"> 79 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L80" class="LineNr"> 80 </span><span class="Delimiter">}</span>
-<span id="L81" class="LineNr"> 81 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span id="L82" class="LineNr"> 82 </span><span class="Normal">case</span> CALL: <span class="Delimiter">{</span>
-<span id="L83" class="LineNr"> 83 </span>  <span class="Comment">// Begin Call</span>
-<span id="L84" class="LineNr"> 84 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L85" class="LineNr"> 85 </span>    ++Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth<span class="Delimiter">;</span>
-<span id="L86" class="LineNr"> 86 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;trace&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;indirect 'call': incrementing callstack depth to &quot;</span> &lt;&lt; Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L87" class="LineNr"> 87 </span>    assert<span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt; <span class="Constant">9000</span><span class="Delimiter">);</span>  <span class="Comment">// 9998-101 plus cushion</span>
-<span id="L88" class="LineNr"> 88 </span>  <span class="Delimiter">}</span>
-<span id="L89" class="LineNr"> 89 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L90" class="LineNr"> 90 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;tried to call empty <a href='010vm.cc.html#L19'>recipe</a> in '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L91" class="LineNr"> 91 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L92" class="LineNr"> 92 </span>  <span class="Delimiter">}</span>
-<span id="L93" class="LineNr"> 93 </span>  <span class="Normal">const</span> call&amp; caller_frame = <a href='026call.cc.html#L83'>current_call</a><span class="Delimiter">();</span>
-<span id="L94" class="LineNr"> 94 </span>  <a href='010vm.cc.html#L32'>instruction</a><span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> call_instruction = <a href='026call.cc.html#L88'>to_instruction</a><span class="Delimiter">(</span>caller_frame<span class="Delimiter">);</span>
-<span id="L95" class="LineNr"> 95 </span>  call_instruction<span class="Delimiter">.</span>operation = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L96" class="LineNr"> 96 </span>  call_instruction<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>call_instruction<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">());</span>
-<span id="L97" class="LineNr"> 97 </span>  Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>push_front<span class="Delimiter">(</span>call<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)));</span>
-<span id="L98" class="LineNr"> 98 </span>  ingredients<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">());</span>  <span class="Comment">// drop the callee</span>
-<span id="L99" class="LineNr"> 99 </span>  finish_call_housekeeping<span class="Delimiter">(</span>call_instruction<span class="Delimiter">,</span> ingredients<span class="Delimiter">);</span>
-<span id="L100" class="LineNr">100 </span>  <span class="Comment">// not done with caller</span>
-<span id="L101" class="LineNr">101 </span>  write_products = <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L102" class="LineNr">102 </span>  fall_through_to_next_instruction = <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L103" class="LineNr">103 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L104" class="LineNr">104 </span><span class="Delimiter">}</span>
-<span id="L105" class="LineNr">105 </span>
-<span id="L106" class="LineNr">106 </span><span class="Delimiter">:(scenario call_variable)</span>
-<span id="L107" class="LineNr">107 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L108" class="LineNr">108 </span>  <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> number<span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>copy f
-<span id="L109" class="LineNr">109 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>call <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> number<span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)},</span> <span class="Constant">34</span>
-<span id="L110" class="LineNr">110 </span>]
-<span id="L111" class="LineNr">111 </span><span class="muRecipe">def</span> f x:num<span class="muRecipe"> -&gt; </span>y:num [
-<span id="L112" class="LineNr">112 </span>  local-scope
-<span id="L113" class="LineNr">113 </span>  load-ingredients
-<span id="L114" class="LineNr">114 </span>  y<span class="Special"> &lt;- </span>copy x
-<span id="L115" class="LineNr">115 </span>]
-<span id="L116" class="LineNr">116 </span><span class="traceContains">+mem: storing 34 in location 2</span>
-<span id="L117" class="LineNr">117 </span>
-<span id="L118" class="LineNr">118 </span><span class="Delimiter">:(scenario call_literal_recipe_repeatedly)</span>
-<span id="L119" class="LineNr">119 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L120" class="LineNr">120 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>call f<span class="Delimiter">,</span> <span class="Constant">34</span>
-<span id="L121" class="LineNr">121 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>call f<span class="Delimiter">,</span> <span class="Constant">35</span>
-<span id="L122" class="LineNr">122 </span>]
-<span id="L123" class="LineNr">123 </span><span class="muRecipe">def</span> f x:num<span class="muRecipe"> -&gt; </span>y:num [
-<span id="L124" class="LineNr">124 </span>  local-scope
-<span id="L125" class="LineNr">125 </span>  load-ingredients
-<span id="L126" class="LineNr">126 </span>  y<span class="Special"> &lt;- </span>copy x
-<span id="L127" class="LineNr">127 </span>]
-<span id="L128" class="LineNr">128 </span><span class="traceContains">+mem: storing 34 in location 1</span>
-<span id="L129" class="LineNr">129 </span><span class="traceContains">+mem: storing 35 in location 1</span>
-<span id="L130" class="LineNr">130 </span>
-<span id="L131" class="LineNr">131 </span><span class="Delimiter">:(scenario call_shape_shifting_recipe)</span>
-<span id="L132" class="LineNr">132 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L133" class="LineNr">133 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>call f<span class="Delimiter">,</span> <span class="Constant">34</span>
-<span id="L134" class="LineNr">134 </span>]
-<span id="L135" class="LineNr">135 </span><span class="muRecipe">def</span> f x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
-<span id="L136" class="LineNr">136 </span>  local-scope
-<span id="L137" class="LineNr">137 </span>  load-ingredients
-<span id="L138" class="LineNr">138 </span>  y<span class="Special"> &lt;- </span>copy x
-<span id="L139" class="LineNr">139 </span>]
-<span id="L140" class="LineNr">140 </span><span class="traceContains">+mem: storing 34 in location 1</span>
-<span id="L141" class="LineNr">141 </span>
-<span id="L142" class="LineNr">142 </span><span class="Delimiter">:(scenario call_shape_shifting_recipe_inside_shape_shifting_recipe)</span>
-<span id="L143" class="LineNr">143 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L144" class="LineNr">144 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>f <span class="Constant">34</span>
-<span id="L145" class="LineNr">145 </span>]
-<span id="L146" class="LineNr">146 </span><span class="muRecipe">def</span> f x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
-<span id="L147" class="LineNr">147 </span>  local-scope
-<span id="L148" class="LineNr">148 </span>  load-ingredients
-<span id="L149" class="LineNr">149 </span>  y<span class="Special"> &lt;- </span>call g x
-<span id="L150" class="LineNr">150 </span>]
-<span id="L151" class="LineNr">151 </span><span class="muRecipe">def</span> g x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
-<span id="L152" class="LineNr">152 </span>  local-scope
-<span id="L153" class="LineNr">153 </span>  load-ingredients
-<span id="L154" class="LineNr">154 </span>  y<span class="Special"> &lt;- </span>copy x
-<span id="L155" class="LineNr">155 </span>]
-<span id="L156" class="LineNr">156 </span><span class="traceContains">+mem: storing 34 in location 1</span>
-<span id="L157" class="LineNr">157 </span>
-<span id="L158" class="LineNr">158 </span><span class="Delimiter">:(scenario call_shape_shifting_recipe_repeatedly_inside_shape_shifting_recipe)</span>
-<span id="L159" class="LineNr">159 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L160" class="LineNr">160 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>f <span class="Constant">34</span>
-<span id="L161" class="LineNr">161 </span>]
-<span id="L162" class="LineNr">162 </span><span class="muRecipe">def</span> f x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
-<span id="L163" class="LineNr">163 </span>  local-scope
-<span id="L164" class="LineNr">164 </span>  load-ingredients
-<span id="L165" class="LineNr">165 </span>  y<span class="Special"> &lt;- </span>call g x
-<span id="L166" class="LineNr">166 </span>  y<span class="Special"> &lt;- </span>call g x
-<span id="L167" class="LineNr">167 </span>]
-<span id="L168" class="LineNr">168 </span><span class="muRecipe">def</span> g x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
-<span id="L169" class="LineNr">169 </span>  local-scope
-<span id="L170" class="LineNr">170 </span>  load-ingredients
-<span id="L171" class="LineNr">171 </span>  y<span class="Special"> &lt;- </span>copy x
-<span id="L172" class="LineNr">172 </span>]
-<span id="L173" class="LineNr">173 </span><span class="traceContains">+mem: storing 34 in location 1</span>
+<span id="L4" class="LineNr">  4 </span>
+<span id="L5" class="LineNr">  5 </span><span class="Delimiter">:(scenario call_literal_recipe)</span>
+<span id="L6" class="LineNr">  6 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L7" class="LineNr">  7 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>call f<span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L8" class="LineNr">  8 </span>]
+<span id="L9" class="LineNr">  9 </span><span class="muRecipe">def</span> f x:num<span class="muRecipe"> -&gt; </span>y:num [
+<span id="L10" class="LineNr"> 10 </span>  local-scope
+<span id="L11" class="LineNr"> 11 </span>  load-ingredients
+<span id="L12" class="LineNr"> 12 </span>  y<span class="Special"> &lt;- </span>copy x
+<span id="L13" class="LineNr"> 13 </span>]
+<span id="L14" class="LineNr"> 14 </span><span class="traceContains">+mem: storing 34 in location 1</span>
+<span id="L15" class="LineNr"> 15 </span>
+<span id="L16" class="LineNr"> 16 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
+<span id="L17" class="LineNr"> 17 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;recipe-literal&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L18" class="LineNr"> 18 </span><span class="Comment">// 'recipe' variables can store recipe-literal</span>
+<span id="L19" class="LineNr"> 19 </span><a href='010vm.cc.html#L124'>type_ordinal</a> <a href='010vm.cc.html#L19'>recipe</a> = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">,</span> Next_type_ordinal++<span class="Delimiter">);</span>
+<span id="L20" class="LineNr"> 20 </span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Type<span class="Delimiter">,</span> <a href='010vm.cc.html#L19'>recipe</a><span class="Delimiter">).</span>name = <span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">;</span>
+<span id="L21" class="LineNr"> 21 </span>
+<span id="L22" class="LineNr"> 22 </span><span class="Delimiter">:(after &quot;Deduce Missing Type(x, caller)&quot;)</span>
+<span id="L23" class="LineNr"> 23 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span>
+<span id="L24" class="LineNr"> 24 </span>  <a href='072recipe.cc.html#L29'>try_initialize_recipe_literal</a><span class="Delimiter">(</span>x<span class="Delimiter">,</span> caller<span class="Delimiter">);</span>
+<span id="L25" class="LineNr"> 25 </span><span class="Delimiter">:(before &quot;Type Check in Type-ingredient-aware check_or_set_types_by_name&quot;)</span>
+<span id="L26" class="LineNr"> 26 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span>
+<span id="L27" class="LineNr"> 27 </span>  <a href='072recipe.cc.html#L29'>try_initialize_recipe_literal</a><span class="Delimiter">(</span>x<span class="Delimiter">,</span> variant<span class="Delimiter">);</span>
+<span id="L28" class="LineNr"> 28 </span><span class="Delimiter">:(code)</span>
+<span id="L29" class="LineNr"> 29 </span><span class="Normal">void</span> <a href='072recipe.cc.html#L29'>try_initialize_recipe_literal</a><span class="Delimiter">(</span>reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L30" class="LineNr"> 30 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L31" class="LineNr"> 31 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L32" class="LineNr"> 32 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='072recipe.cc.html#L36'>contains_reagent_with_non_recipe_literal_type</a><span class="Delimiter">(</span>caller<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L33" class="LineNr"> 33 </span>  x<span class="Delimiter">.</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">&quot;recipe-literal&quot;</span><span class="Delimiter">);</span>
+<span id="L34" class="LineNr"> 34 </span>  x<span class="Delimiter">.</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
+<span id="L35" class="LineNr"> 35 </span><span class="Delimiter">}</span>
+<span id="L36" class="LineNr"> 36 </span><span class="Normal">bool</span> <a href='072recipe.cc.html#L36'>contains_reagent_with_non_recipe_literal_type</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; caller<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L37" class="LineNr"> 37 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L38" class="LineNr"> 38 </span>    <span class="Normal">const</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
+<span id="L39" class="LineNr"> 39 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L40" class="LineNr"> 40 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span><a href='072recipe.cc.html#L46'>is_matching_non_recipe_literal</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> name<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L41" class="LineNr"> 41 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L42" class="LineNr"> 42 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span><a href='072recipe.cc.html#L46'>is_matching_non_recipe_literal</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> name<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L43" class="LineNr"> 43 </span>  <span class="Delimiter">}</span>
+<span id="L44" class="LineNr"> 44 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L45" class="LineNr"> 45 </span><span class="Delimiter">}</span>
+<span id="L46" class="LineNr"> 46 </span><span class="Normal">bool</span> <a href='072recipe.cc.html#L46'>is_matching_non_recipe_literal</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L47" class="LineNr"> 47 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>name != name<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L48" class="LineNr"> 48 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L49" class="LineNr"> 49 </span>  <span class="Identifier">return</span> !x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom || x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name != <span class="Constant">&quot;recipe-literal&quot;</span><span class="Delimiter">;</span>
+<span id="L50" class="LineNr"> 50 </span><span class="Delimiter">}</span>
+<span id="L51" class="LineNr"> 51 </span>
+<span id="L52" class="LineNr"> 52 </span><span class="Comment">//: It's confusing to use variable names that are also recipe names. Always</span>
+<span id="L53" class="LineNr"> 53 </span><span class="Comment">//: assume variable types override recipe literals.</span>
+<span id="L54" class="LineNr"> 54 </span><span class="Delimiter">:(scenario error_on_recipe_literal_used_as_a_variable)</span>
+<span id="L55" class="LineNr"> 55 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L56" class="LineNr"> 56 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L57" class="LineNr"> 57 </span>  local-scope
+<span id="L58" class="LineNr"> 58 </span>  <span class="Normal">a</span>:<span class="Normal">bool</span><span class="Special"> &lt;- </span>equal <span class="Identifier">break</span> <span class="Constant">0</span>
+<span id="L59" class="LineNr"> 59 </span>  <span class="Identifier">break</span>:<span class="Normal">bool</span><span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
+<span id="L60" class="LineNr"> 60 </span>]
+<span id="L61" class="LineNr"> 61 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: missing type for 'break' in 'a:bool &lt;- equal break, 0'</span>
+<span id="L62" class="LineNr"> 62 </span>
+<span id="L63" class="LineNr"> 63 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
+<span id="L64" class="LineNr"> 64 </span>CALL<span class="Delimiter">,</span>
+<span id="L65" class="LineNr"> 65 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
+<span id="L66" class="LineNr"> 66 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;call&quot;</span><span class="Delimiter">,</span> CALL<span class="Delimiter">);</span>
+<span id="L67" class="LineNr"> 67 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
+<span id="L68" class="LineNr"> 68 </span><span class="Normal">case</span> CALL: <span class="Delimiter">{</span>
+<span id="L69" class="LineNr"> 69 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
+<span id="L70" class="LineNr"> 70 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'call' requires at least one ingredient (the <a href='010vm.cc.html#L19'>recipe</a> to call)</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L71" class="LineNr"> 71 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L72" class="LineNr"> 72 </span>  <span class="Delimiter">}</span>
+<span id="L73" class="LineNr"> 73 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_recipe<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+<span id="L74" class="LineNr"> 74 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'call' should be a <a href='010vm.cc.html#L19'>recipe</a>, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L75" class="LineNr"> 75 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L76" class="LineNr"> 76 </span>  <span class="Delimiter">}</span>
+<span id="L77" class="LineNr"> 77 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L78" class="LineNr"> 78 </span><span class="Delimiter">}</span>
+<span id="L79" class="LineNr"> 79 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
+<span id="L80" class="LineNr"> 80 </span><span class="Normal">case</span> CALL: <span class="Delimiter">{</span>
+<span id="L81" class="LineNr"> 81 </span>  <span class="Comment">// Begin Call</span>
+<span id="L82" class="LineNr"> 82 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L83" class="LineNr"> 83 </span>    ++Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth<span class="Delimiter">;</span>
+<span id="L84" class="LineNr"> 84 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;trace&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;indirect 'call': incrementing callstack depth to &quot;</span> &lt;&lt; Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L85" class="LineNr"> 85 </span>    assert<span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt; <span class="Constant">9000</span><span class="Delimiter">);</span>  <span class="Comment">// 9998-101 plus cushion</span>
+<span id="L86" class="LineNr"> 86 </span>  <span class="Delimiter">}</span>
+<span id="L87" class="LineNr"> 87 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L88" class="LineNr"> 88 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;tried to call empty <a href='010vm.cc.html#L19'>recipe</a> in '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>current_instruction<span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L89" class="LineNr"> 89 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L90" class="LineNr"> 90 </span>  <span class="Delimiter">}</span>
+<span id="L91" class="LineNr"> 91 </span>  <span class="Normal">const</span> call&amp; caller_frame = <a href='026call.cc.html#L83'>current_call</a><span class="Delimiter">();</span>
+<span id="L92" class="LineNr"> 92 </span>  <a href='010vm.cc.html#L32'>instruction</a><span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> call_instruction = <a href='026call.cc.html#L88'>to_instruction</a><span class="Delimiter">(</span>caller_frame<span class="Delimiter">);</span>
+<span id="L93" class="LineNr"> 93 </span>  call_instruction<span class="Delimiter">.</span>operation = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L94" class="LineNr"> 94 </span>  call_instruction<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>call_instruction<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">());</span>
+<span id="L95" class="LineNr"> 95 </span>  Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>push_front<span class="Delimiter">(</span>call<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)));</span>
+<span id="L96" class="LineNr"> 96 </span>  ingredients<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">());</span>  <span class="Comment">// drop the callee</span>
+<span id="L97" class="LineNr"> 97 </span>  finish_call_housekeeping<span class="Delimiter">(</span>call_instruction<span class="Delimiter">,</span> ingredients<span class="Delimiter">);</span>
+<span id="L98" class="LineNr"> 98 </span>  <span class="Comment">// not done with caller</span>
+<span id="L99" class="LineNr"> 99 </span>  write_products = <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L100" class="LineNr">100 </span>  fall_through_to_next_instruction = <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L101" class="LineNr">101 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L102" class="LineNr">102 </span><span class="Delimiter">}</span>
+<span id="L103" class="LineNr">103 </span>
+<span id="L104" class="LineNr">104 </span><span class="Delimiter">:(scenario call_variable)</span>
+<span id="L105" class="LineNr">105 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L106" class="LineNr">106 </span>  <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> number<span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>copy f
+<span id="L107" class="LineNr">107 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>call <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> number<span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)},</span> <span class="Constant">34</span>
+<span id="L108" class="LineNr">108 </span>]
+<span id="L109" class="LineNr">109 </span><span class="muRecipe">def</span> f x:num<span class="muRecipe"> -&gt; </span>y:num [
+<span id="L110" class="LineNr">110 </span>  local-scope
+<span id="L111" class="LineNr">111 </span>  load-ingredients
+<span id="L112" class="LineNr">112 </span>  y<span class="Special"> &lt;- </span>copy x
+<span id="L113" class="LineNr">113 </span>]
+<span id="L114" class="LineNr">114 </span><span class="traceContains">+mem: storing 34 in location 2</span>
+<span id="L115" class="LineNr">115 </span>
+<span id="L116" class="LineNr">116 </span><span class="Delimiter">:(scenario call_literal_recipe_repeatedly)</span>
+<span id="L117" class="LineNr">117 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L118" class="LineNr">118 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>call f<span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L119" class="LineNr">119 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>call f<span class="Delimiter">,</span> <span class="Constant">35</span>
+<span id="L120" class="LineNr">120 </span>]
+<span id="L121" class="LineNr">121 </span><span class="muRecipe">def</span> f x:num<span class="muRecipe"> -&gt; </span>y:num [
+<span id="L122" class="LineNr">122 </span>  local-scope
+<span id="L123" class="LineNr">123 </span>  load-ingredients
+<span id="L124" class="LineNr">124 </span>  y<span class="Special"> &lt;- </span>copy x
+<span id="L125" class="LineNr">125 </span>]
+<span id="L126" class="LineNr">126 </span><span class="traceContains">+mem: storing 34 in location 1</span>
+<span id="L127" class="LineNr">127 </span><span class="traceContains">+mem: storing 35 in location 1</span>
+<span id="L128" class="LineNr">128 </span>
+<span id="L129" class="LineNr">129 </span><span class="Delimiter">:(scenario call_shape_shifting_recipe)</span>
+<span id="L130" class="LineNr">130 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L131" class="LineNr">131 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>call f<span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L132" class="LineNr">132 </span>]
+<span id="L133" class="LineNr">133 </span><span class="muRecipe">def</span> f x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
+<span id="L134" class="LineNr">134 </span>  local-scope
+<span id="L135" class="LineNr">135 </span>  load-ingredients
+<span id="L136" class="LineNr">136 </span>  y<span class="Special"> &lt;- </span>copy x
+<span id="L137" class="LineNr">137 </span>]
+<span id="L138" class="LineNr">138 </span><span class="traceContains">+mem: storing 34 in location 1</span>
+<span id="L139" class="LineNr">139 </span>
+<span id="L140" class="LineNr">140 </span><span class="Delimiter">:(scenario call_shape_shifting_recipe_inside_shape_shifting_recipe)</span>
+<span id="L141" class="LineNr">141 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L142" class="LineNr">142 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>f <span class="Constant">34</span>
+<span id="L143" class="LineNr">143 </span>]
+<span id="L144" class="LineNr">144 </span><span class="muRecipe">def</span> f x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
+<span id="L145" class="LineNr">145 </span>  local-scope
+<span id="L146" class="LineNr">146 </span>  load-ingredients
+<span id="L147" class="LineNr">147 </span>  y<span class="Special"> &lt;- </span>call g x
+<span id="L148" class="LineNr">148 </span>]
+<span id="L149" class="LineNr">149 </span><span class="muRecipe">def</span> g x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
+<span id="L150" class="LineNr">150 </span>  local-scope
+<span id="L151" class="LineNr">151 </span>  load-ingredients
+<span id="L152" class="LineNr">152 </span>  y<span class="Special"> &lt;- </span>copy x
+<span id="L153" class="LineNr">153 </span>]
+<span id="L154" class="LineNr">154 </span><span class="traceContains">+mem: storing 34 in location 1</span>
+<span id="L155" class="LineNr">155 </span>
+<span id="L156" class="LineNr">156 </span><span class="Delimiter">:(scenario call_shape_shifting_recipe_repeatedly_inside_shape_shifting_recipe)</span>
+<span id="L157" class="LineNr">157 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L158" class="LineNr">158 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>f <span class="Constant">34</span>
+<span id="L159" class="LineNr">159 </span>]
+<span id="L160" class="LineNr">160 </span><span class="muRecipe">def</span> f x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
+<span id="L161" class="LineNr">161 </span>  local-scope
+<span id="L162" class="LineNr">162 </span>  load-ingredients
+<span id="L163" class="LineNr">163 </span>  y<span class="Special"> &lt;- </span>call g x
+<span id="L164" class="LineNr">164 </span>  y<span class="Special"> &lt;- </span>call g x
+<span id="L165" class="LineNr">165 </span>]
+<span id="L166" class="LineNr">166 </span><span class="muRecipe">def</span> g x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
+<span id="L167" class="LineNr">167 </span>  local-scope
+<span id="L168" class="LineNr">168 </span>  load-ingredients
+<span id="L169" class="LineNr">169 </span>  y<span class="Special"> &lt;- </span>copy x
+<span id="L170" class="LineNr">170 </span>]
+<span id="L171" class="LineNr">171 </span><span class="traceContains">+mem: storing 34 in location 1</span>
+<span id="L172" class="LineNr">172 </span>
+<span id="L173" class="LineNr">173 </span><span class="SalientComment">//:: check types for 'call' instructions</span>
 <span id="L174" class="LineNr">174 </span>
-<span id="L175" class="LineNr">175 </span><span class="SalientComment">//:: check types for 'call' instructions</span>
-<span id="L176" class="LineNr">176 </span>
-<span id="L177" class="LineNr">177 </span><span class="Delimiter">:(scenario call_check_literal_recipe)</span>
-<span id="L178" class="LineNr">178 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L179" class="LineNr">179 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L180" class="LineNr">180 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>call f<span class="Delimiter">,</span> <span class="Constant">34</span>
-<span id="L181" class="LineNr">181 </span>]
-<span id="L182" class="LineNr">182 </span><span class="muRecipe">def</span> f x:point<span class="muRecipe"> -&gt; </span>y:point [
-<span id="L183" class="LineNr">183 </span>  local-scope
-<span id="L184" class="LineNr">184 </span>  load-ingredients
-<span id="L185" class="LineNr">185 </span>  y<span class="Special"> &lt;- </span>copy x
-<span id="L186" class="LineNr">186 </span>]
-<span id="L187" class="LineNr">187 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: ingredient 0 has the wrong type at '1:num &lt;- call f, 34'</span>
-<span id="L188" class="LineNr">188 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product 0 has the wrong type at '1:num &lt;- call f, 34'</span>
-<span id="L189" class="LineNr">189 </span>
-<span id="L190" class="LineNr">190 </span><span class="Delimiter">:(scenario call_check_variable_recipe)</span>
-<span id="L191" class="LineNr">191 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L192" class="LineNr">192 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L193" class="LineNr">193 </span>  <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> point<span class="muRecipe"> -&gt; </span>point<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>copy f
-<span id="L194" class="LineNr">194 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>call <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> point<span class="muRecipe"> -&gt; </span>point<span class="Delimiter">)},</span> <span class="Constant">34</span>
-<span id="L195" class="LineNr">195 </span>]
-<span id="L196" class="LineNr">196 </span><span class="muRecipe">def</span> f x:point<span class="muRecipe"> -&gt; </span>y:point [
-<span id="L197" class="LineNr">197 </span>  local-scope
-<span id="L198" class="LineNr">198 </span>  load-ingredients
-<span id="L199" class="LineNr">199 </span>  y<span class="Special"> &lt;- </span>copy x
-<span id="L200" class="LineNr">200 </span>]
-<span id="L201" class="LineNr">201 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: ingredient 0 has the wrong type at '2:num &lt;- call {1: (recipe point -&gt; point)}, 34'</span>
-<span id="L202" class="LineNr">202 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product 0 has the wrong type at '2:num &lt;- call {1: (recipe point -&gt; point)}, 34'</span>
-<span id="L203" class="LineNr">203 </span>
-<span id="L204" class="LineNr">204 </span><span class="Delimiter">:(before &quot;End resolve_ambiguous_call(r, index, inst, caller_recipe) Special-cases&quot;)</span>
-<span id="L205" class="LineNr">205 </span><span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;call&quot;</span> &amp;&amp; !inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> &amp;&amp; <a href='072recipe.cc.html#L210'>is_recipe_literal</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
-<span id="L206" class="LineNr">206 </span>  <a href='072recipe.cc.html#L213'>resolve_indirect_ambiguous_call</a><span class="Delimiter">(</span>r<span class="Delimiter">,</span> index<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
-<span id="L207" class="LineNr">207 </span>  <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L208" class="LineNr">208 </span><span class="Delimiter">}</span>
-<span id="L209" class="LineNr">209 </span><span class="Delimiter">:(code)</span>
-<span id="L210" class="LineNr">210 </span><span class="Normal">bool</span> <a href='072recipe.cc.html#L210'>is_recipe_literal</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L211" class="LineNr">211 </span>  <span class="Identifier">return</span> x<span class="Delimiter">.</span>type &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;recipe-literal&quot;</span><span class="Delimiter">;</span>
-<span id="L212" class="LineNr">212 </span><span class="Delimiter">}</span>
-<span id="L213" class="LineNr">213 </span><span class="Normal">void</span> <a href='072recipe.cc.html#L213'>resolve_indirect_ambiguous_call</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">,</span> <span class="Normal">int</span> index<span class="Delimiter">,</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L214" class="LineNr">214 </span>  <a href='010vm.cc.html#L32'>instruction</a> inst2<span class="Delimiter">;</span>
-<span id="L215" class="LineNr">215 </span>  inst2<span class="Delimiter">.</span>name = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">;</span>
-<span id="L216" class="LineNr">216 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip <a href='010vm.cc.html#L19'>recipe</a></span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L217" class="LineNr">217 </span>    inst2<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
-<span id="L218" class="LineNr">218 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L219" class="LineNr">219 </span>    inst2<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
-<span id="L220" class="LineNr">220 </span>  <a href='054static_dispatch.cc.html#L173'>resolve_ambiguous_call</a><span class="Delimiter">(</span>r<span class="Delimiter">,</span> index<span class="Delimiter">,</span> inst2<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
-<span id="L221" class="LineNr">221 </span>  inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name = inst2<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
-<span id="L222" class="LineNr">222 </span>  inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> inst2<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
-<span id="L223" class="LineNr">223 </span><span class="Delimiter">}</span>
-<span id="L224" class="LineNr">224 </span>
-<span id="L225" class="LineNr">225 </span><span class="Delimiter">:(after &quot;Transform.push_back(check_instruction)&quot;)</span>
-<span id="L226" class="LineNr">226 </span>Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='072recipe.cc.html#L228'>check_indirect_calls_against_header</a><span class="Delimiter">);</span>  <span class="Comment">// idempotent</span>
-<span id="L227" class="LineNr">227 </span><span class="Delimiter">:(code)</span>
-<span id="L228" class="LineNr">228 </span><span class="Normal">void</span> <a href='072recipe.cc.html#L228'>check_indirect_calls_against_header</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L229" class="LineNr">229 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- type-check 'call' instructions inside <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L230" class="LineNr">230 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
-<span id="L231" class="LineNr">231 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L232" class="LineNr">232 </span>    <span class="Normal">const</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-<span id="L233" class="LineNr">233 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!is_indirect_call<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L234" class="LineNr">234 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// error raised above</span>
-<span id="L235" class="LineNr">235 </span>    <span class="Normal">const</span> reagent&amp; callee = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L236" class="LineNr">236 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_recipe<span class="Delimiter">(</span>callee<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// error raised above</span>
-<span id="L237" class="LineNr">237 </span>    <span class="Normal">const</span> <a href='010vm.cc.html#L19'>recipe</a> callee_header = is_literal<span class="Delimiter">(</span>callee<span class="Delimiter">)</span> ? get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> callee<span class="Delimiter">.</span>value<span class="Delimiter">)</span> : <a href='072recipe.cc.html#L270'>from_reagent</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
-<span id="L238" class="LineNr">238 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!callee_header<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L239" class="LineNr">239 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><a href='072recipe.cc.html#L259'>is_indirect_call_with_ingredients</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L240" class="LineNr">240 </span>      <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip callee</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">skip callee</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L241" class="LineNr">241 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>callee_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i-<span class="Comment">/*</span><span class="Comment">skip callee</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
-<span id="L242" class="LineNr">242 </span>          <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;ingredient &quot;</span> &lt;&lt; i-<span class="Comment">/*</span><span class="Comment">skip callee</span><span class="Comment">*/</span><span class="Constant">1</span> &lt;&lt; <span class="Constant">&quot; has the wrong type at '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L243" class="LineNr">243 </span>      <span class="Delimiter">}</span>
-<span id="L244" class="LineNr">244 </span>    <span class="Delimiter">}</span>
-<span id="L245" class="LineNr">245 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><a href='072recipe.cc.html#L264'>is_indirect_call_with_products</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L246" class="LineNr">246 </span>      <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee_header<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L247" class="LineNr">247 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L248" class="LineNr">248 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>callee_header<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
-<span id="L249" class="LineNr">249 </span>          <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;product &quot;</span> &lt;&lt; i &lt;&lt; <span class="Constant">&quot; has the wrong type at '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L250" class="LineNr">250 </span>      <span class="Delimiter">}</span>
-<span id="L251" class="LineNr">251 </span>    <span class="Delimiter">}</span>
-<span id="L252" class="LineNr">252 </span>  <span class="Delimiter">}</span>
-<span id="L253" class="LineNr">253 </span><span class="Delimiter">}</span>
-<span id="L254" class="LineNr">254 </span>
-<span id="L255" class="LineNr">255 </span><span class="Normal">bool</span> <a href='072recipe.cc.html#L255'>is_indirect_call</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L256" class="LineNr">256 </span>  <span class="Identifier">return</span> <a href='072recipe.cc.html#L259'>is_indirect_call_with_ingredients</a><span class="Delimiter">(</span>r<span class="Delimiter">)</span> || <a href='072recipe.cc.html#L264'>is_indirect_call_with_products</a><span class="Delimiter">(</span>r<span class="Delimiter">);</span>
-<span id="L257" class="LineNr">257 </span><span class="Delimiter">}</span>
-<span id="L258" class="LineNr">258 </span>
-<span id="L259" class="LineNr">259 </span><span class="Normal">bool</span> <a href='072recipe.cc.html#L259'>is_indirect_call_with_ingredients</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L260" class="LineNr">260 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r == CALL<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L261" class="LineNr">261 </span>  <span class="Comment">// End is_indirect_call_with_ingredients Special-cases</span>
-<span id="L262" class="LineNr">262 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L263" class="LineNr">263 </span><span class="Delimiter">}</span>
-<span id="L264" class="LineNr">264 </span><span class="Normal">bool</span> <a href='072recipe.cc.html#L264'>is_indirect_call_with_products</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L265" class="LineNr">265 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r == CALL<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L266" class="LineNr">266 </span>  <span class="Comment">// End is_indirect_call_with_products Special-cases</span>
-<span id="L267" class="LineNr">267 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L268" class="LineNr">268 </span><span class="Delimiter">}</span>
-<span id="L269" class="LineNr">269 </span>
-<span id="L270" class="LineNr">270 </span><span class="muRecipe"><a href='010vm.cc.html#L19'>recipe</a></span> <a href='072recipe.cc.html#L270'>from_reagent</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L271" class="LineNr">271 </span>  assert<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
-<span id="L272" class="LineNr">272 </span>  <a href='010vm.cc.html#L19'>recipe</a> result_header<span class="Delimiter">;</span>  <span class="Comment">// will contain only ingredients and products, nothing else</span>
-<span id="L273" class="LineNr">273 </span>  result_header<span class="Delimiter">.</span>has_header = <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L274" class="LineNr">274 </span>  <span class="Comment">// Begin Reagent-&gt;Recipe(r, recipe_header)</span>
-<span id="L275" class="LineNr">275 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L276" class="LineNr">276 </span>    assert<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">);</span>
-<span id="L277" class="LineNr">277 </span>    <span class="Identifier">return</span> result_header<span class="Delimiter">;</span>
-<span id="L278" class="LineNr">278 </span>  <span class="Delimiter">}</span>
-<span id="L279" class="LineNr">279 </span>  <span class="Normal">const</span> type_tree* root_type = r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom ? r<span class="Delimiter">.</span>type : r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">;</span>
-<span id="L280" class="LineNr">280 </span>  assert<span class="Delimiter">(</span>root_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
-<span id="L281" class="LineNr">281 </span>  assert<span class="Delimiter">(</span>root_type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">);</span>
-<span id="L282" class="LineNr">282 </span>  <span class="Normal">const</span> type_tree* curr = r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
-<span id="L283" class="LineNr">283 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">nada</span><span class="Comment">*/</span><span class="Delimiter">;</span>  curr &amp;&amp; !curr<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">;</span>  curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L284" class="LineNr">284 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom &amp;&amp; curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;-&gt;&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L285" class="LineNr">285 </span>      curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>  <span class="Comment">// skip delimiter</span>
-<span id="L286" class="LineNr">286 </span>      <span class="Identifier">goto</span> read_products<span class="Delimiter">;</span>
-<span id="L287" class="LineNr">287 </span>    <span class="Delimiter">}</span>
-<span id="L288" class="LineNr">288 </span>    result_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='072recipe.cc.html#L332'>next_recipe_reagent</a><span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">));</span>
-<span id="L289" class="LineNr">289 </span>  <span class="Delimiter">}</span>
-<span id="L290" class="LineNr">290 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L291" class="LineNr">291 </span>    assert<span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
-<span id="L292" class="LineNr">292 </span>    result_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='072recipe.cc.html#L332'>next_recipe_reagent</a><span class="Delimiter">(</span>curr<span class="Delimiter">));</span>
-<span id="L293" class="LineNr">293 </span>    <span class="Identifier">return</span> result_header<span class="Delimiter">;</span>  <span class="Comment">// no products</span>
-<span id="L294" class="LineNr">294 </span>  <span class="Delimiter">}</span>
-<span id="L295" class="LineNr">295 </span>  <span class="Normal">read_products</span>:
-<span id="L296" class="LineNr">296 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">nada</span><span class="Comment">*/</span><span class="Delimiter">;</span>  curr &amp;&amp; !curr<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">;</span>  curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span>
-<span id="L297" class="LineNr">297 </span>    result_header<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='072recipe.cc.html#L332'>next_recipe_reagent</a><span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">));</span>
-<span id="L298" class="LineNr">298 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L299" class="LineNr">299 </span>    assert<span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
-<span id="L300" class="LineNr">300 </span>    result_header<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='072recipe.cc.html#L332'>next_recipe_reagent</a><span class="Delimiter">(</span>curr<span class="Delimiter">));</span>
-<span id="L301" class="LineNr">301 </span>  <span class="Delimiter">}</span>
-<span id="L302" class="LineNr">302 </span>  <span class="Identifier">return</span> result_header<span class="Delimiter">;</span>
-<span id="L303" class="LineNr">303 </span><span class="Delimiter">}</span>
-<span id="L304" class="LineNr">304 </span>
-<span id="L305" class="LineNr">305 </span><span class="Delimiter">:(before &quot;End Unit Tests&quot;)</span>
-<span id="L306" class="LineNr">306 </span><span class="Normal">void</span> <a href='072recipe.cc.html#L306'>test_from_reagent_atomic</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L307" class="LineNr">307 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;{f: recipe}&quot;</span><span class="Delimiter">);</span>
-<span id="L308" class="LineNr">308 </span>  <a href='010vm.cc.html#L19'>recipe</a> r_header = <a href='072recipe.cc.html#L270'>from_reagent</a><span class="Delimiter">(</span>a<span class="Delimiter">);</span>
-<span id="L309" class="LineNr">309 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
-<span id="L310" class="LineNr">310 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
-<span id="L311" class="LineNr">311 </span><span class="Delimiter">}</span>
-<span id="L312" class="LineNr">312 </span><span class="Normal">void</span> <a href='072recipe.cc.html#L312'>test_from_reagent_non_atomic</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L313" class="LineNr">313 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;{f: (recipe number -&gt; number)}&quot;</span><span class="Delimiter">);</span>
-<span id="L314" class="LineNr">314 </span>  <a href='010vm.cc.html#L19'>recipe</a> r_header = <a href='072recipe.cc.html#L270'>from_reagent</a><span class="Delimiter">(</span>a<span class="Delimiter">);</span>
-<span id="L315" class="LineNr">315 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L316" class="LineNr">316 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L317" class="LineNr">317 </span><span class="Delimiter">}</span>
-<span id="L318" class="LineNr">318 </span><span class="Normal">void</span> <a href='072recipe.cc.html#L318'>test_from_reagent_reads_ingredient_at_end</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L319" class="LineNr">319 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;{f: (recipe number number)}&quot;</span><span class="Delimiter">);</span>
-<span id="L320" class="LineNr">320 </span>  <a href='010vm.cc.html#L19'>recipe</a> r_header = <a href='072recipe.cc.html#L270'>from_reagent</a><span class="Delimiter">(</span>a<span class="Delimiter">);</span>
-<span id="L321" class="LineNr">321 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <span class="Constant">2</span><span class="Delimiter">);</span>
-<span id="L322" class="LineNr">322 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
-<span id="L323" class="LineNr">323 </span><span class="Delimiter">}</span>
-<span id="L324" class="LineNr">324 </span><span class="Normal">void</span> <a href='072recipe.cc.html#L324'>test_from_reagent_reads_sole_ingredient_at_end</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
-<span id="L325" class="LineNr">325 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;{f: (recipe number)}&quot;</span><span class="Delimiter">);</span>
-<span id="L326" class="LineNr">326 </span>  <a href='010vm.cc.html#L19'>recipe</a> r_header = <a href='072recipe.cc.html#L270'>from_reagent</a><span class="Delimiter">(</span>a<span class="Delimiter">);</span>
-<span id="L327" class="LineNr">327 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L328" class="LineNr">328 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
-<span id="L329" class="LineNr">329 </span><span class="Delimiter">}</span>
-<span id="L330" class="LineNr">330 </span>
-<span id="L331" class="LineNr">331 </span><span class="Delimiter">:(code)</span>
-<span id="L332" class="LineNr">332 </span>reagent <a href='072recipe.cc.html#L332'>next_recipe_reagent</a><span class="Delimiter">(</span><span class="Normal">const</span> type_tree* curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L333" class="LineNr">333 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span> <span class="Identifier">return</span> reagent<span class="Delimiter">(</span><span class="Constant">&quot;recipe:&quot;</span>+curr<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
-<span id="L334" class="LineNr">334 </span>  reagent result<span class="Delimiter">;</span>
-<span id="L335" class="LineNr">335 </span>  result<span class="Delimiter">.</span>name = <span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">;</span>
-<span id="L336" class="LineNr">336 </span>  result<span class="Delimiter">.</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*curr<span class="Delimiter">);</span>
-<span id="L337" class="LineNr">337 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
-<span id="L338" class="LineNr">338 </span><span class="Delimiter">}</span>
-<span id="L339" class="LineNr">339 </span>
-<span id="L340" class="LineNr">340 </span><span class="Normal">bool</span> <a href='072recipe.cc.html#L340'>is_mu_recipe</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L341" class="LineNr">341 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L342" class="LineNr">342 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L343" class="LineNr">343 </span>    <span class="Comment">// End is_mu_recipe Atom Cases(r)</span>
-<span id="L344" class="LineNr">344 </span>    <span class="Identifier">return</span> r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;recipe-literal&quot;</span><span class="Delimiter">;</span>
-<span id="L345" class="LineNr">345 </span>  <span class="Delimiter">}</span>
-<span id="L346" class="LineNr">346 </span>  <span class="Identifier">return</span> r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom &amp;&amp; r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">;</span>
-<span id="L347" class="LineNr">347 </span><span class="Delimiter">}</span>
-<span id="L348" class="LineNr">348 </span>
-<span id="L349" class="LineNr">349 </span><span class="Delimiter">:(scenario copy_typecheck_recipe_variable)</span>
-<span id="L350" class="LineNr">350 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L351" class="LineNr">351 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L352" class="LineNr">352 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>  <span class="Comment"># abc def</span>
-<span id="L353" class="LineNr">353 </span>  <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> number<span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>copy f  <span class="Comment"># store literal in a matching variable</span>
-<span id="L354" class="LineNr">354 </span>  <span class="Delimiter">{</span><span class="Constant">2</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> boolean<span class="muRecipe"> -&gt; </span>boolean<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>copy <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> number<span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)}</span>  <span class="Comment"># mismatch between recipe variables</span>
+<span id="L175" class="LineNr">175 </span><span class="Delimiter">:(scenario call_check_literal_recipe)</span>
+<span id="L176" class="LineNr">176 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L177" class="LineNr">177 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L178" class="LineNr">178 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>call f<span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L179" class="LineNr">179 </span>]
+<span id="L180" class="LineNr">180 </span><span class="muRecipe">def</span> f x:point<span class="muRecipe"> -&gt; </span>y:point [
+<span id="L181" class="LineNr">181 </span>  local-scope
+<span id="L182" class="LineNr">182 </span>  load-ingredients
+<span id="L183" class="LineNr">183 </span>  y<span class="Special"> &lt;- </span>copy x
+<span id="L184" class="LineNr">184 </span>]
+<span id="L185" class="LineNr">185 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: ingredient 0 has the wrong type at '1:num &lt;- call f, 34'</span>
+<span id="L186" class="LineNr">186 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product 0 has the wrong type at '1:num &lt;- call f, 34'</span>
+<span id="L187" class="LineNr">187 </span>
+<span id="L188" class="LineNr">188 </span><span class="Delimiter">:(scenario call_check_variable_recipe)</span>
+<span id="L189" class="LineNr">189 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L190" class="LineNr">190 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L191" class="LineNr">191 </span>  <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> point<span class="muRecipe"> -&gt; </span>point<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>copy f
+<span id="L192" class="LineNr">192 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>call <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> point<span class="muRecipe"> -&gt; </span>point<span class="Delimiter">)},</span> <span class="Constant">34</span>
+<span id="L193" class="LineNr">193 </span>]
+<span id="L194" class="LineNr">194 </span><span class="muRecipe">def</span> f x:point<span class="muRecipe"> -&gt; </span>y:point [
+<span id="L195" class="LineNr">195 </span>  local-scope
+<span id="L196" class="LineNr">196 </span>  load-ingredients
+<span id="L197" class="LineNr">197 </span>  y<span class="Special"> &lt;- </span>copy x
+<span id="L198" class="LineNr">198 </span>]
+<span id="L199" class="LineNr">199 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: ingredient 0 has the wrong type at '2:num &lt;- call {1: (recipe point -&gt; point)}, 34'</span>
+<span id="L200" class="LineNr">200 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: product 0 has the wrong type at '2:num &lt;- call {1: (recipe point -&gt; point)}, 34'</span>
+<span id="L201" class="LineNr">201 </span>
+<span id="L202" class="LineNr">202 </span><span class="Delimiter">:(before &quot;End resolve_ambiguous_call(r, index, inst, caller_recipe) Special-cases&quot;)</span>
+<span id="L203" class="LineNr">203 </span><span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;call&quot;</span> &amp;&amp; !inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> &amp;&amp; <a href='072recipe.cc.html#L208'>is_recipe_literal</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+<span id="L204" class="LineNr">204 </span>  <a href='072recipe.cc.html#L211'>resolve_indirect_ambiguous_call</a><span class="Delimiter">(</span>r<span class="Delimiter">,</span> index<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
+<span id="L205" class="LineNr">205 </span>  <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L206" class="LineNr">206 </span><span class="Delimiter">}</span>
+<span id="L207" class="LineNr">207 </span><span class="Delimiter">:(code)</span>
+<span id="L208" class="LineNr">208 </span><span class="Normal">bool</span> <a href='072recipe.cc.html#L208'>is_recipe_literal</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L209" class="LineNr">209 </span>  <span class="Identifier">return</span> x<span class="Delimiter">.</span>type &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;recipe-literal&quot;</span><span class="Delimiter">;</span>
+<span id="L210" class="LineNr">210 </span><span class="Delimiter">}</span>
+<span id="L211" class="LineNr">211 </span><span class="Normal">void</span> <a href='072recipe.cc.html#L211'>resolve_indirect_ambiguous_call</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">,</span> <span class="Normal">int</span> index<span class="Delimiter">,</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L212" class="LineNr">212 </span>  <a href='010vm.cc.html#L32'>instruction</a> inst2<span class="Delimiter">;</span>
+<span id="L213" class="LineNr">213 </span>  inst2<span class="Delimiter">.</span>name = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">;</span>
+<span id="L214" class="LineNr">214 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip <a href='010vm.cc.html#L19'>recipe</a></span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L215" class="LineNr">215 </span>    inst2<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
+<span id="L216" class="LineNr">216 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L217" class="LineNr">217 </span>    inst2<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
+<span id="L218" class="LineNr">218 </span>  <a href='054static_dispatch.cc.html#L173'>resolve_ambiguous_call</a><span class="Delimiter">(</span>r<span class="Delimiter">,</span> index<span class="Delimiter">,</span> inst2<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
+<span id="L219" class="LineNr">219 </span>  inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name = inst2<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
+<span id="L220" class="LineNr">220 </span>  inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> inst2<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
+<span id="L221" class="LineNr">221 </span><span class="Delimiter">}</span>
+<span id="L222" class="LineNr">222 </span>
+<span id="L223" class="LineNr">223 </span><span class="Delimiter">:(after &quot;Transform.push_back(check_instruction)&quot;)</span>
+<span id="L224" class="LineNr">224 </span>Transform<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='072recipe.cc.html#L226'>check_indirect_calls_against_header</a><span class="Delimiter">);</span>  <span class="Comment">// idempotent</span>
+<span id="L225" class="LineNr">225 </span><span class="Delimiter">:(code)</span>
+<span id="L226" class="LineNr">226 </span><span class="Normal">void</span> <a href='072recipe.cc.html#L226'>check_indirect_calls_against_header</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L227" class="LineNr">227 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">9991</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;--- type-check 'call' instructions inside <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L228" class="LineNr">228 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">);</span>
+<span id="L229" class="LineNr">229 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L230" class="LineNr">230 </span>    <span class="Normal">const</span> instruction&amp; inst = caller<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
+<span id="L231" class="LineNr">231 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!is_indirect_call<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L232" class="LineNr">232 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// error raised above</span>
+<span id="L233" class="LineNr">233 </span>    <span class="Normal">const</span> reagent&amp; callee = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L234" class="LineNr">234 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_recipe<span class="Delimiter">(</span>callee<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// error raised above</span>
+<span id="L235" class="LineNr">235 </span>    <span class="Normal">const</span> <a href='010vm.cc.html#L19'>recipe</a> callee_header = is_literal<span class="Delimiter">(</span>callee<span class="Delimiter">)</span> ? get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> callee<span class="Delimiter">.</span>value<span class="Delimiter">)</span> : <a href='072recipe.cc.html#L268'>from_reagent</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
+<span id="L236" class="LineNr">236 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!callee_header<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L237" class="LineNr">237 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><a href='072recipe.cc.html#L257'>is_indirect_call_with_ingredients</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L238" class="LineNr">238 </span>      <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip callee</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span>+<span class="Comment">/*</span><span class="Comment">skip callee</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L239" class="LineNr">239 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>callee_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i-<span class="Comment">/*</span><span class="Comment">skip callee</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
+<span id="L240" class="LineNr">240 </span>          <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;ingredient &quot;</span> &lt;&lt; i-<span class="Comment">/*</span><span class="Comment">skip callee</span><span class="Comment">*/</span><span class="Constant">1</span> &lt;&lt; <span class="Constant">&quot; has the wrong type at '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L241" class="LineNr">241 </span>      <span class="Delimiter">}</span>
+<span id="L242" class="LineNr">242 </span>    <span class="Delimiter">}</span>
+<span id="L243" class="LineNr">243 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><a href='072recipe.cc.html#L262'>is_indirect_call_with_products</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L244" class="LineNr">244 </span>      <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>callee_header<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L245" class="LineNr">245 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L246" class="LineNr">246 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>!types_coercible<span class="Delimiter">(</span>callee_header<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
+<span id="L247" class="LineNr">247 </span>          <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;product &quot;</span> &lt;&lt; i &lt;&lt; <span class="Constant">&quot; has the wrong type at '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L248" class="LineNr">248 </span>      <span class="Delimiter">}</span>
+<span id="L249" class="LineNr">249 </span>    <span class="Delimiter">}</span>
+<span id="L250" class="LineNr">250 </span>  <span class="Delimiter">}</span>
+<span id="L251" class="LineNr">251 </span><span class="Delimiter">}</span>
+<span id="L252" class="LineNr">252 </span>
+<span id="L253" class="LineNr">253 </span><span class="Normal">bool</span> <a href='072recipe.cc.html#L253'>is_indirect_call</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L254" class="LineNr">254 </span>  <span class="Identifier">return</span> <a href='072recipe.cc.html#L257'>is_indirect_call_with_ingredients</a><span class="Delimiter">(</span>r<span class="Delimiter">)</span> || <a href='072recipe.cc.html#L262'>is_indirect_call_with_products</a><span class="Delimiter">(</span>r<span class="Delimiter">);</span>
+<span id="L255" class="LineNr">255 </span><span class="Delimiter">}</span>
+<span id="L256" class="LineNr">256 </span>
+<span id="L257" class="LineNr">257 </span><span class="Normal">bool</span> <a href='072recipe.cc.html#L257'>is_indirect_call_with_ingredients</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L258" class="LineNr">258 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r == CALL<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L259" class="LineNr">259 </span>  <span class="Comment">// End is_indirect_call_with_ingredients Special-cases</span>
+<span id="L260" class="LineNr">260 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L261" class="LineNr">261 </span><span class="Delimiter">}</span>
+<span id="L262" class="LineNr">262 </span><span class="Normal">bool</span> <a href='072recipe.cc.html#L262'>is_indirect_call_with_products</a><span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L263" class="LineNr">263 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r == CALL<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L264" class="LineNr">264 </span>  <span class="Comment">// End is_indirect_call_with_products Special-cases</span>
+<span id="L265" class="LineNr">265 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L266" class="LineNr">266 </span><span class="Delimiter">}</span>
+<span id="L267" class="LineNr">267 </span>
+<span id="L268" class="LineNr">268 </span><span class="muRecipe"><a href='010vm.cc.html#L19'>recipe</a></span> <a href='072recipe.cc.html#L268'>from_reagent</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L269" class="LineNr">269 </span>  assert<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
+<span id="L270" class="LineNr">270 </span>  <a href='010vm.cc.html#L19'>recipe</a> result_header<span class="Delimiter">;</span>  <span class="Comment">// will contain only ingredients and products, nothing else</span>
+<span id="L271" class="LineNr">271 </span>  result_header<span class="Delimiter">.</span>has_header = <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L272" class="LineNr">272 </span>  <span class="Comment">// Begin Reagent-&gt;Recipe(r, recipe_header)</span>
+<span id="L273" class="LineNr">273 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L274" class="LineNr">274 </span>    assert<span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">);</span>
+<span id="L275" class="LineNr">275 </span>    <span class="Identifier">return</span> result_header<span class="Delimiter">;</span>
+<span id="L276" class="LineNr">276 </span>  <span class="Delimiter">}</span>
+<span id="L277" class="LineNr">277 </span>  <span class="Normal">const</span> type_tree* root_type = r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom ? r<span class="Delimiter">.</span>type : r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">;</span>
+<span id="L278" class="LineNr">278 </span>  assert<span class="Delimiter">(</span>root_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
+<span id="L279" class="LineNr">279 </span>  assert<span class="Delimiter">(</span>root_type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">);</span>
+<span id="L280" class="LineNr">280 </span>  <span class="Normal">const</span> type_tree* curr = r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>
+<span id="L281" class="LineNr">281 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">nada</span><span class="Comment">*/</span><span class="Delimiter">;</span>  curr &amp;&amp; !curr<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">;</span>  curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L282" class="LineNr">282 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom &amp;&amp; curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;-&gt;&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L283" class="LineNr">283 </span>      curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>  <span class="Comment">// skip delimiter</span>
+<span id="L284" class="LineNr">284 </span>      <span class="Identifier">goto</span> read_products<span class="Delimiter">;</span>
+<span id="L285" class="LineNr">285 </span>    <span class="Delimiter">}</span>
+<span id="L286" class="LineNr">286 </span>    result_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='072recipe.cc.html#L330'>next_recipe_reagent</a><span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">));</span>
+<span id="L287" class="LineNr">287 </span>  <span class="Delimiter">}</span>
+<span id="L288" class="LineNr">288 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L289" class="LineNr">289 </span>    assert<span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
+<span id="L290" class="LineNr">290 </span>    result_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='072recipe.cc.html#L330'>next_recipe_reagent</a><span class="Delimiter">(</span>curr<span class="Delimiter">));</span>
+<span id="L291" class="LineNr">291 </span>    <span class="Identifier">return</span> result_header<span class="Delimiter">;</span>  <span class="Comment">// no products</span>
+<span id="L292" class="LineNr">292 </span>  <span class="Delimiter">}</span>
+<span id="L293" class="LineNr">293 </span>  <span class="Normal">read_products</span>:
+<span id="L294" class="LineNr">294 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">nada</span><span class="Comment">*/</span><span class="Delimiter">;</span>  curr &amp;&amp; !curr<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">;</span>  curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span>
+<span id="L295" class="LineNr">295 </span>    result_header<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='072recipe.cc.html#L330'>next_recipe_reagent</a><span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">));</span>
+<span id="L296" class="LineNr">296 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L297" class="LineNr">297 </span>    assert<span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
+<span id="L298" class="LineNr">298 </span>    result_header<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='072recipe.cc.html#L330'>next_recipe_reagent</a><span class="Delimiter">(</span>curr<span class="Delimiter">));</span>
+<span id="L299" class="LineNr">299 </span>  <span class="Delimiter">}</span>
+<span id="L300" class="LineNr">300 </span>  <span class="Identifier">return</span> result_header<span class="Delimiter">;</span>
+<span id="L301" class="LineNr">301 </span><span class="Delimiter">}</span>
+<span id="L302" class="LineNr">302 </span>
+<span id="L303" class="LineNr">303 </span><span class="Delimiter">:(before &quot;End Unit Tests&quot;)</span>
+<span id="L304" class="LineNr">304 </span><span class="Normal">void</span> <a href='072recipe.cc.html#L304'>test_from_reagent_atomic</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L305" class="LineNr">305 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;{f: recipe}&quot;</span><span class="Delimiter">);</span>
+<span id="L306" class="LineNr">306 </span>  <a href='010vm.cc.html#L19'>recipe</a> r_header = <a href='072recipe.cc.html#L268'>from_reagent</a><span class="Delimiter">(</span>a<span class="Delimiter">);</span>
+<span id="L307" class="LineNr">307 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
+<span id="L308" class="LineNr">308 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
+<span id="L309" class="LineNr">309 </span><span class="Delimiter">}</span>
+<span id="L310" class="LineNr">310 </span><span class="Normal">void</span> <a href='072recipe.cc.html#L310'>test_from_reagent_non_atomic</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L311" class="LineNr">311 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;{f: (recipe number -&gt; number)}&quot;</span><span class="Delimiter">);</span>
+<span id="L312" class="LineNr">312 </span>  <a href='010vm.cc.html#L19'>recipe</a> r_header = <a href='072recipe.cc.html#L268'>from_reagent</a><span class="Delimiter">(</span>a<span class="Delimiter">);</span>
+<span id="L313" class="LineNr">313 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L314" class="LineNr">314 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L315" class="LineNr">315 </span><span class="Delimiter">}</span>
+<span id="L316" class="LineNr">316 </span><span class="Normal">void</span> <a href='072recipe.cc.html#L316'>test_from_reagent_reads_ingredient_at_end</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L317" class="LineNr">317 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;{f: (recipe number number)}&quot;</span><span class="Delimiter">);</span>
+<span id="L318" class="LineNr">318 </span>  <a href='010vm.cc.html#L19'>recipe</a> r_header = <a href='072recipe.cc.html#L268'>from_reagent</a><span class="Delimiter">(</span>a<span class="Delimiter">);</span>
+<span id="L319" class="LineNr">319 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <span class="Constant">2</span><span class="Delimiter">);</span>
+<span id="L320" class="LineNr">320 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
+<span id="L321" class="LineNr">321 </span><span class="Delimiter">}</span>
+<span id="L322" class="LineNr">322 </span><span class="Normal">void</span> <a href='072recipe.cc.html#L322'>test_from_reagent_reads_sole_ingredient_at_end</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
+<span id="L323" class="LineNr">323 </span>  reagent a<span class="Delimiter">(</span><span class="Constant">&quot;{f: (recipe number)}&quot;</span><span class="Delimiter">);</span>
+<span id="L324" class="LineNr">324 </span>  <a href='010vm.cc.html#L19'>recipe</a> r_header = <a href='072recipe.cc.html#L268'>from_reagent</a><span class="Delimiter">(</span>a<span class="Delimiter">);</span>
+<span id="L325" class="LineNr">325 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L326" class="LineNr">326 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>r_header<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
+<span id="L327" class="LineNr">327 </span><span class="Delimiter">}</span>
+<span id="L328" class="LineNr">328 </span>
+<span id="L329" class="LineNr">329 </span><span class="Delimiter">:(code)</span>
+<span id="L330" class="LineNr">330 </span>reagent <a href='072recipe.cc.html#L330'>next_recipe_reagent</a><span class="Delimiter">(</span><span class="Normal">const</span> type_tree* curr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L331" class="LineNr">331 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span> <span class="Identifier">return</span> reagent<span class="Delimiter">(</span><span class="Constant">&quot;recipe:&quot;</span>+curr<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
+<span id="L332" class="LineNr">332 </span>  <span class="Identifier">return</span> reagent<span class="Delimiter">(</span><span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*curr<span class="Delimiter">));</span>
+<span id="L333" class="LineNr">333 </span><span class="Delimiter">}</span>
+<span id="L334" class="LineNr">334 </span>
+<span id="L335" class="LineNr">335 </span><span class="Normal">bool</span> <a href='072recipe.cc.html#L335'>is_mu_recipe</a><span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L336" class="LineNr">336 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!r<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L337" class="LineNr">337 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L338" class="LineNr">338 </span>    <span class="Comment">// End is_mu_recipe Atom Cases(r)</span>
+<span id="L339" class="LineNr">339 </span>    <span class="Identifier">return</span> r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;recipe-literal&quot;</span><span class="Delimiter">;</span>
+<span id="L340" class="LineNr">340 </span>  <span class="Delimiter">}</span>
+<span id="L341" class="LineNr">341 </span>  <span class="Identifier">return</span> r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom &amp;&amp; r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">;</span>
+<span id="L342" class="LineNr">342 </span><span class="Delimiter">}</span>
+<span id="L343" class="LineNr">343 </span>
+<span id="L344" class="LineNr">344 </span><span class="Delimiter">:(scenario copy_typecheck_recipe_variable)</span>
+<span id="L345" class="LineNr">345 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L346" class="LineNr">346 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L347" class="LineNr">347 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>  <span class="Comment"># abc def</span>
+<span id="L348" class="LineNr">348 </span>  <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> number<span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>copy f  <span class="Comment"># store literal in a matching variable</span>
+<span id="L349" class="LineNr">349 </span>  <span class="Delimiter">{</span><span class="Constant">2</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> boolean<span class="muRecipe"> -&gt; </span>boolean<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>copy <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> number<span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)}</span>  <span class="Comment"># mismatch between recipe variables</span>
+<span id="L350" class="LineNr">350 </span>]
+<span id="L351" class="LineNr">351 </span><span class="muRecipe">def</span> f x:num<span class="muRecipe"> -&gt; </span>y:num [
+<span id="L352" class="LineNr">352 </span>  local-scope
+<span id="L353" class="LineNr">353 </span>  load-ingredients
+<span id="L354" class="LineNr">354 </span>  y<span class="Special"> &lt;- </span>copy x
 <span id="L355" class="LineNr">355 </span>]
-<span id="L356" class="LineNr">356 </span><span class="muRecipe">def</span> f x:num<span class="muRecipe"> -&gt; </span>y:num [
-<span id="L357" class="LineNr">357 </span>  local-scope
-<span id="L358" class="LineNr">358 </span>  load-ingredients
-<span id="L359" class="LineNr">359 </span>  y<span class="Special"> &lt;- </span>copy x
-<span id="L360" class="LineNr">360 </span>]
-<span id="L361" class="LineNr">361 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: can't copy '{1: (recipe number -&gt; number)}' to '{2: (recipe boolean -&gt; boolean)}'; types don't match</span>
-<span id="L362" class="LineNr">362 </span>
-<span id="L363" class="LineNr">363 </span><span class="Delimiter">:(scenario copy_typecheck_recipe_variable_2)</span>
-<span id="L364" class="LineNr">364 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L365" class="LineNr">365 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L366" class="LineNr">366 </span>  <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> number<span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>copy f  <span class="Comment"># mismatch with a recipe literal</span>
+<span id="L356" class="LineNr">356 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: can't copy '{1: (recipe number -&gt; number)}' to '{2: (recipe boolean -&gt; boolean)}'; types don't match</span>
+<span id="L357" class="LineNr">357 </span>
+<span id="L358" class="LineNr">358 </span><span class="Delimiter">:(scenario copy_typecheck_recipe_variable_2)</span>
+<span id="L359" class="LineNr">359 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L360" class="LineNr">360 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L361" class="LineNr">361 </span>  <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> number<span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>copy f  <span class="Comment"># mismatch with a recipe literal</span>
+<span id="L362" class="LineNr">362 </span>]
+<span id="L363" class="LineNr">363 </span><span class="muRecipe">def</span> f x:<span class="Normal">bool</span><span class="muRecipe"> -&gt; </span>y:<span class="Normal">bool</span> [
+<span id="L364" class="LineNr">364 </span>  local-scope
+<span id="L365" class="LineNr">365 </span>  load-ingredients
+<span id="L366" class="LineNr">366 </span>  y<span class="Special"> &lt;- </span>copy x
 <span id="L367" class="LineNr">367 </span>]
-<span id="L368" class="LineNr">368 </span><span class="muRecipe">def</span> f x:<span class="Normal">bool</span><span class="muRecipe"> -&gt; </span>y:<span class="Normal">bool</span> [
-<span id="L369" class="LineNr">369 </span>  local-scope
-<span id="L370" class="LineNr">370 </span>  load-ingredients
-<span id="L371" class="LineNr">371 </span>  y<span class="Special"> &lt;- </span>copy x
-<span id="L372" class="LineNr">372 </span>]
-<span id="L373" class="LineNr">373 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: can't copy 'f' to '{1: (recipe number -&gt; number)}'; types don't match</span>
-<span id="L374" class="LineNr">374 </span>
-<span id="L375" class="LineNr">375 </span><span class="Delimiter">:(before &quot;End Matching Types For Literal(to)&quot;)</span>
-<span id="L376" class="LineNr">376 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='072recipe.cc.html#L340'>is_mu_recipe</a><span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L377" class="LineNr">377 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> from<span class="Delimiter">.</span>value<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L378" class="LineNr">378 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;trying to store <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; from<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; into &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>to<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; but there's no such recipe</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-<span id="L379" class="LineNr">379 </span>    <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L380" class="LineNr">380 </span>  <span class="Delimiter">}</span>
-<span id="L381" class="LineNr">381 </span>  <span class="Normal">const</span> recipe&amp; rrhs = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> from<span class="Delimiter">.</span>value<span class="Delimiter">);</span>
-<span id="L382" class="LineNr">382 </span>  <span class="Normal">const</span> recipe&amp; rlhs = <a href='072recipe.cc.html#L270'>from_reagent</a><span class="Delimiter">(</span>to<span class="Delimiter">);</span>
-<span id="L383" class="LineNr">383 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>rlhs<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>rrhs<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L384" class="LineNr">384 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!types_match<span class="Delimiter">(</span>rlhs<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> rrhs<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
-<span id="L385" class="LineNr">385 </span>      <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L386" class="LineNr">386 </span>  <span class="Delimiter">}</span>
-<span id="L387" class="LineNr">387 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>rlhs<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>rrhs<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L388" class="LineNr">388 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!types_match<span class="Delimiter">(</span>rlhs<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> rrhs<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
-<span id="L389" class="LineNr">389 </span>      <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L390" class="LineNr">390 </span>  <span class="Delimiter">}</span>
-<span id="L391" class="LineNr">391 </span>  <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L392" class="LineNr">392 </span><span class="Delimiter">}</span>
-<span id="L393" class="LineNr">393 </span>
-<span id="L394" class="LineNr">394 </span><span class="Delimiter">:(scenario call_variable_compound_ingredient)</span>
-<span id="L395" class="LineNr">395 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L396" class="LineNr">396 </span>  <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> <span class="Delimiter">(</span><a href='043space.cc.html#L80'>address</a> number<span class="Delimiter">)</span><span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>copy f
-<span id="L397" class="LineNr">397 </span>  <span class="Constant">2</span>:&amp;:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
-<span id="L398" class="LineNr">398 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>call <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> <span class="Delimiter">(</span><a href='043space.cc.html#L80'>address</a> number<span class="Delimiter">)</span><span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)},</span> <span class="Constant">2</span>:&amp;:num
+<span id="L368" class="LineNr">368 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: can't copy 'f' to '{1: (recipe number -&gt; number)}'; types don't match</span>
+<span id="L369" class="LineNr">369 </span>
+<span id="L370" class="LineNr">370 </span><span class="Delimiter">:(before &quot;End Matching Types For Literal(to)&quot;)</span>
+<span id="L371" class="LineNr">371 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='072recipe.cc.html#L335'>is_mu_recipe</a><span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L372" class="LineNr">372 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> from<span class="Delimiter">.</span>value<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L373" class="LineNr">373 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;trying to store <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; from<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; into &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>to<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot; but there's no such recipe</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L374" class="LineNr">374 </span>    <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L375" class="LineNr">375 </span>  <span class="Delimiter">}</span>
+<span id="L376" class="LineNr">376 </span>  <span class="Normal">const</span> recipe&amp; rrhs = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> from<span class="Delimiter">.</span>value<span class="Delimiter">);</span>
+<span id="L377" class="LineNr">377 </span>  <span class="Normal">const</span> recipe&amp; rlhs = <a href='072recipe.cc.html#L268'>from_reagent</a><span class="Delimiter">(</span>to<span class="Delimiter">);</span>
+<span id="L378" class="LineNr">378 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>rlhs<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>rrhs<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L379" class="LineNr">379 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!types_match<span class="Delimiter">(</span>rlhs<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> rrhs<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
+<span id="L380" class="LineNr">380 </span>      <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L381" class="LineNr">381 </span>  <span class="Delimiter">}</span>
+<span id="L382" class="LineNr">382 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">long</span> <span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>rlhs<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>rrhs<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L383" class="LineNr">383 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!types_match<span class="Delimiter">(</span>rlhs<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> rrhs<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
+<span id="L384" class="LineNr">384 </span>      <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L385" class="LineNr">385 </span>  <span class="Delimiter">}</span>
+<span id="L386" class="LineNr">386 </span>  <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L387" class="LineNr">387 </span><span class="Delimiter">}</span>
+<span id="L388" class="LineNr">388 </span>
+<span id="L389" class="LineNr">389 </span><span class="Delimiter">:(scenario call_variable_compound_ingredient)</span>
+<span id="L390" class="LineNr">390 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L391" class="LineNr">391 </span>  <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> <span class="Delimiter">(</span><a href='043space.cc.html#L80'>address</a> number<span class="Delimiter">)</span><span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>copy f
+<span id="L392" class="LineNr">392 </span>  <span class="Constant">2</span>:&amp;:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
+<span id="L393" class="LineNr">393 </span>  <span class="Constant">3</span>:num<span class="Special"> &lt;- </span>call <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> <span class="Delimiter">(</span><a href='043space.cc.html#L80'>address</a> number<span class="Delimiter">)</span><span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)},</span> <span class="Constant">2</span>:&amp;:num
+<span id="L394" class="LineNr">394 </span>]
+<span id="L395" class="LineNr">395 </span><span class="muRecipe">def</span> f x:&amp;:num<span class="muRecipe"> -&gt; </span>y:num [
+<span id="L396" class="LineNr">396 </span>  local-scope
+<span id="L397" class="LineNr">397 </span>  load-ingredients
+<span id="L398" class="LineNr">398 </span>  y<span class="Special"> &lt;- </span>copy x
 <span id="L399" class="LineNr">399 </span>]
-<span id="L400" class="LineNr">400 </span><span class="muRecipe">def</span> f x:&amp;:num<span class="muRecipe"> -&gt; </span>y:num [
-<span id="L401" class="LineNr">401 </span>  local-scope
-<span id="L402" class="LineNr">402 </span>  load-ingredients
-<span id="L403" class="LineNr">403 </span>  y<span class="Special"> &lt;- </span>copy x
-<span id="L404" class="LineNr">404 </span>]
-<span id="L405" class="LineNr">405 </span>$error: <span class="Constant">0</span>
-<span id="L406" class="LineNr">406 </span>
-<span id="L407" class="LineNr">407 </span><span class="Comment">//: make sure we don't accidentally break on a recipe literal</span>
-<span id="L408" class="LineNr">408 </span><span class="Delimiter">:(scenario jump_forbidden_on_recipe_literals)</span>
-<span id="L409" class="LineNr">409 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L410" class="LineNr">410 </span><span class="muRecipe">def</span> foo [
-<span id="L411" class="LineNr">411 </span>  local-scope
-<span id="L412" class="LineNr">412 </span>]
-<span id="L413" class="LineNr">413 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L414" class="LineNr">414 </span>  local-scope
-<span id="L415" class="LineNr">415 </span>  <span class="Delimiter">{</span>
-<span id="L416" class="LineNr">416 </span>    <span class="Identifier">break</span>-<span class="Normal">if</span> foo
-<span id="L417" class="LineNr">417 </span>  <span class="Delimiter">}</span>
-<span id="L418" class="LineNr">418 </span>]
-<span id="L419" class="LineNr">419 </span><span class="Comment"># error should be as if foo is not a recipe</span>
-<span id="L420" class="LineNr">420 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: missing type for 'foo' in 'break-if foo'</span>
-<span id="L421" class="LineNr">421 </span>
-<span id="L422" class="LineNr">422 </span><span class="Delimiter">:(before &quot;End JUMP_IF Checks&quot;)</span>
-<span id="L423" class="LineNr">423 </span><a href='072recipe.cc.html#L427'>check_for_recipe_literals</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">));</span>
-<span id="L424" class="LineNr">424 </span><span class="Delimiter">:(before &quot;End JUMP_UNLESS Checks&quot;)</span>
-<span id="L425" class="LineNr">425 </span><a href='072recipe.cc.html#L427'>check_for_recipe_literals</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">));</span>
-<span id="L426" class="LineNr">426 </span><span class="Delimiter">:(code)</span>
-<span id="L427" class="LineNr">427 </span><span class="Normal">void</span> <a href='072recipe.cc.html#L427'>check_for_recipe_literals</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L428" class="LineNr">428 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L429" class="LineNr">429 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><a href='072recipe.cc.html#L340'>is_mu_recipe</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
-<span id="L430" class="LineNr">430 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;missing type for '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;' in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L431" class="LineNr">431 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>is_present_in_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">))</span>
-<span id="L432" class="LineNr">432 </span>        <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;  did you forget 'load-ingredients'?</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L433" class="LineNr">433 </span>    <span class="Delimiter">}</span>
-<span id="L434" class="LineNr">434 </span>  <span class="Delimiter">}</span>
-<span id="L435" class="LineNr">435 </span><span class="Delimiter">}</span>
-<span id="L436" class="LineNr">436 </span>
-<span id="L437" class="LineNr">437 </span><span class="Delimiter">:(scenario load_ingredients_missing_error_3)</span>
-<span id="L438" class="LineNr">438 </span><span class="Special">% Hide_errors = true;</span>
-<span id="L439" class="LineNr">439 </span><span class="muRecipe">def</span> foo <span class="Delimiter">{</span>f: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> num<span class="muRecipe"> -&gt; </span>num<span class="Delimiter">)}</span> [
-<span id="L440" class="LineNr">440 </span>  local-scope
-<span id="L441" class="LineNr">441 </span>  <span class="Normal">b</span>:num<span class="Special"> &lt;- </span>call f<span class="Delimiter">,</span> <span class="Constant">1</span>
-<span id="L442" class="LineNr">442 </span>]
-<span id="L443" class="LineNr">443 </span><span class="traceContains">+error: foo: missing type for 'f' in 'b:num &lt;- call f, 1'</span>
-<span id="L444" class="LineNr">444 </span><span class="traceContains">+error:   did you forget 'load-ingredients'?</span>
-<span id="L445" class="LineNr">445 </span>
-<span id="L446" class="LineNr">446 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
-<span id="L447" class="LineNr">447 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;function&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">));</span>
-<span id="L448" class="LineNr">448 </span>
-<span id="L449" class="LineNr">449 </span><span class="Delimiter">:(scenario call_function)</span>
-<span id="L450" class="LineNr">450 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L451" class="LineNr">451 </span>  <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span>function number<span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>copy f
-<span id="L452" class="LineNr">452 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>call <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span>function number<span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)},</span> <span class="Constant">34</span>
-<span id="L453" class="LineNr">453 </span>]
-<span id="L454" class="LineNr">454 </span><span class="muRecipe">def</span> f x:num<span class="muRecipe"> -&gt; </span>y:num [
-<span id="L455" class="LineNr">455 </span>  local-scope
-<span id="L456" class="LineNr">456 </span>  load-ingredients
-<span id="L457" class="LineNr">457 </span>  y<span class="Special"> &lt;- </span>copy x
-<span id="L458" class="LineNr">458 </span>]
-<span id="L459" class="LineNr">459 </span><span class="traceContains">+mem: storing 34 in location 2</span>
+<span id="L400" class="LineNr">400 </span>$error: <span class="Constant">0</span>
+<span id="L401" class="LineNr">401 </span>
+<span id="L402" class="LineNr">402 </span><span class="Comment">//: make sure we don't accidentally break on a recipe literal</span>
+<span id="L403" class="LineNr">403 </span><span class="Delimiter">:(scenario jump_forbidden_on_recipe_literals)</span>
+<span id="L404" class="LineNr">404 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L405" class="LineNr">405 </span><span class="muRecipe">def</span> foo [
+<span id="L406" class="LineNr">406 </span>  local-scope
+<span id="L407" class="LineNr">407 </span>]
+<span id="L408" class="LineNr">408 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L409" class="LineNr">409 </span>  local-scope
+<span id="L410" class="LineNr">410 </span>  <span class="Delimiter">{</span>
+<span id="L411" class="LineNr">411 </span>    <span class="Identifier">break</span>-<span class="Normal">if</span> foo
+<span id="L412" class="LineNr">412 </span>  <span class="Delimiter">}</span>
+<span id="L413" class="LineNr">413 </span>]
+<span id="L414" class="LineNr">414 </span><span class="Comment"># error should be as if foo is not a recipe</span>
+<span id="L415" class="LineNr">415 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: missing type for 'foo' in 'break-if foo'</span>
+<span id="L416" class="LineNr">416 </span>
+<span id="L417" class="LineNr">417 </span><span class="Delimiter">:(before &quot;End JUMP_IF Checks&quot;)</span>
+<span id="L418" class="LineNr">418 </span><a href='072recipe.cc.html#L422'>check_for_recipe_literals</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">));</span>
+<span id="L419" class="LineNr">419 </span><span class="Delimiter">:(before &quot;End JUMP_UNLESS Checks&quot;)</span>
+<span id="L420" class="LineNr">420 </span><a href='072recipe.cc.html#L422'>check_for_recipe_literals</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">));</span>
+<span id="L421" class="LineNr">421 </span><span class="Delimiter">:(code)</span>
+<span id="L422" class="LineNr">422 </span><span class="Normal">void</span> <a href='072recipe.cc.html#L422'>check_for_recipe_literals</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L423" class="LineNr">423 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L424" class="LineNr">424 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><a href='072recipe.cc.html#L335'>is_mu_recipe</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+<span id="L425" class="LineNr">425 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;missing type for '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;' in '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L426" class="LineNr">426 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>is_present_in_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">))</span>
+<span id="L427" class="LineNr">427 </span>        <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;  did you forget 'load-ingredients'?</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L428" class="LineNr">428 </span>    <span class="Delimiter">}</span>
+<span id="L429" class="LineNr">429 </span>  <span class="Delimiter">}</span>
+<span id="L430" class="LineNr">430 </span><span class="Delimiter">}</span>
+<span id="L431" class="LineNr">431 </span>
+<span id="L432" class="LineNr">432 </span><span class="Delimiter">:(scenario load_ingredients_missing_error_3)</span>
+<span id="L433" class="LineNr">433 </span><span class="Special">% Hide_errors = true;</span>
+<span id="L434" class="LineNr">434 </span><span class="muRecipe">def</span> foo <span class="Delimiter">{</span>f: <span class="Delimiter">(</span><a href='010vm.cc.html#L19'>recipe</a> num<span class="muRecipe"> -&gt; </span>num<span class="Delimiter">)}</span> [
+<span id="L435" class="LineNr">435 </span>  local-scope
+<span id="L436" class="LineNr">436 </span>  <span class="Normal">b</span>:num<span class="Special"> &lt;- </span>call f<span class="Delimiter">,</span> <span class="Constant">1</span>
+<span id="L437" class="LineNr">437 </span>]
+<span id="L438" class="LineNr">438 </span><span class="traceContains">+error: foo: missing type for 'f' in 'b:num &lt;- call f, 1'</span>
+<span id="L439" class="LineNr">439 </span><span class="traceContains">+error:   did you forget 'load-ingredients'?</span>
+<span id="L440" class="LineNr">440 </span>
+<span id="L441" class="LineNr">441 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
+<span id="L442" class="LineNr">442 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;function&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">));</span>
+<span id="L443" class="LineNr">443 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Type_abbreviations<span class="Delimiter">,</span> <span class="Constant">&quot;fn&quot;</span><span class="Delimiter">,</span> <a href='018type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span><span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">));</span>
+<span id="L444" class="LineNr">444 </span>
+<span id="L445" class="LineNr">445 </span><span class="Comment">//: copying functions to variables</span>
+<span id="L446" class="LineNr">446 </span>
+<span id="L447" class="LineNr">447 </span><span class="Delimiter">:(scenario copy_recipe_to_variable)</span>
+<span id="L448" class="LineNr">448 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L449" class="LineNr">449 </span>  <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span>fn number<span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>copy f
+<span id="L450" class="LineNr">450 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>call <span class="Delimiter">{</span><span class="Constant">1</span>: <span class="Delimiter">(</span>function number<span class="muRecipe"> -&gt; </span>number<span class="Delimiter">)},</span> <span class="Constant">34</span>
+<span id="L451" class="LineNr">451 </span>]
+<span id="L452" class="LineNr">452 </span><span class="muRecipe">def</span> f x:num<span class="muRecipe"> -&gt; </span>y:num [
+<span id="L453" class="LineNr">453 </span>  local-scope
+<span id="L454" class="LineNr">454 </span>  load-ingredients
+<span id="L455" class="LineNr">455 </span>  y<span class="Special"> &lt;- </span>copy x
+<span id="L456" class="LineNr">456 </span>]
+<span id="L457" class="LineNr">457 </span><span class="traceContains">+mem: storing 34 in location 2</span>
+<span id="L458" class="LineNr">458 </span>
+<span id="L459" class="LineNr">459 </span><span class="Delimiter">:(scenario copy_overloaded_recipe_to_variable)</span>
+<span id="L460" class="LineNr">460 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L461" class="LineNr">461 </span>  local-scope
+<span id="L462" class="LineNr">462 </span>  <span class="Delimiter">{</span>x: <span class="Delimiter">(</span>fn num<span class="muRecipe"> -&gt; </span>num<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>copy f
+<span id="L463" class="LineNr">463 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>call x<span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L464" class="LineNr">464 </span>]
+<span id="L465" class="LineNr">465 </span><span class="Comment"># variant f</span>
+<span id="L466" class="LineNr">466 </span><span class="muRecipe">def</span> f x:<span class="Normal">bool</span><span class="muRecipe"> -&gt; </span>y:<span class="Normal">bool</span> [
+<span id="L467" class="LineNr">467 </span>  local-scope
+<span id="L468" class="LineNr">468 </span>  load-ingredients
+<span id="L469" class="LineNr">469 </span>  y<span class="Special"> &lt;- </span>copy x
+<span id="L470" class="LineNr">470 </span>]
+<span id="L471" class="LineNr">471 </span><span class="Comment"># variant f_2</span>
+<span id="L472" class="LineNr">472 </span><span class="muRecipe">def</span> f x:num<span class="muRecipe"> -&gt; </span>y:num [
+<span id="L473" class="LineNr">473 </span>  local-scope
+<span id="L474" class="LineNr">474 </span>  load-ingredients
+<span id="L475" class="LineNr">475 </span>  y<span class="Special"> &lt;- </span>copy x
+<span id="L476" class="LineNr">476 </span>]
+<span id="L477" class="LineNr">477 </span><span class="Comment"># x contains f_2</span>
+<span id="L478" class="LineNr">478 </span><span class="traceContains">+mem: storing 34 in location 1</span>
+<span id="L479" class="LineNr">479 </span>
+<span id="L480" class="LineNr">480 </span><span class="Delimiter">:(before &quot;End resolve_ambiguous_call(r, index, inst, caller_recipe) Special-cases&quot;)</span>
+<span id="L481" class="LineNr">481 </span><span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;copy&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L482" class="LineNr">482 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L483" class="LineNr">483 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!is_recipe_literal<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L484" class="LineNr">484 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><a href='054static_dispatch.cc.html#L370'>non_ghost_size</a><span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Recipe_variants<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">))</span> &lt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L485" class="LineNr">485 </span>    <span class="Comment">// potentially overloaded recipe</span>
+<span id="L486" class="LineNr">486 </span>    string new_name = <a href='054static_dispatch.cc.html#L173'>resolve_ambiguous_call</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> r<span class="Delimiter">,</span> index<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
+<span id="L487" class="LineNr">487 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>new_name == <span class="Constant">&quot;&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L488" class="LineNr">488 </span>    inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name = new_name<span class="Delimiter">;</span>
+<span id="L489" class="LineNr">489 </span>    inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>value = get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> new_name<span class="Delimiter">);</span>
+<span id="L490" class="LineNr">490 </span>  <span class="Delimiter">}</span>
+<span id="L491" class="LineNr">491 </span>  <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L492" class="LineNr">492 </span><span class="Delimiter">}</span>
+<span id="L493" class="LineNr">493 </span><span class="Delimiter">:(code)</span>
+<span id="L494" class="LineNr">494 </span>string <a href='054static_dispatch.cc.html#L173'>resolve_ambiguous_call</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; recipe_name<span class="Delimiter">,</span> <span class="Normal">const</span> reagent&amp; call_types<span class="Delimiter">,</span> <span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">,</span> <span class="Normal">int</span> index<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L495" class="LineNr">495 </span>  <a href='010vm.cc.html#L32'>instruction</a> inst<span class="Delimiter">;</span>
+<span id="L496" class="LineNr">496 </span>  inst<span class="Delimiter">.</span>name = recipe_name<span class="Delimiter">;</span>
+<span id="L497" class="LineNr">497 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_recipe<span class="Delimiter">(</span>call_types<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
+<span id="L498" class="LineNr">498 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='072recipe.cc.html#L208'>is_recipe_literal</a><span class="Delimiter">(</span>call_types<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>  <span class="Comment">// error raised elsewhere</span>
+<span id="L499" class="LineNr">499 </span>  construct_fake_call<span class="Delimiter">(</span>call_types<span class="Delimiter">,</span> inst<span class="Delimiter">);</span>
+<span id="L500" class="LineNr">500 </span>  <a href='054static_dispatch.cc.html#L173'>resolve_ambiguous_call</a><span class="Delimiter">(</span>r<span class="Delimiter">,</span> index<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
+<span id="L501" class="LineNr">501 </span>  <span class="Identifier">return</span> inst<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
+<span id="L502" class="LineNr">502 </span><span class="Delimiter">}</span>
+<span id="L503" class="LineNr">503 </span><span class="Normal">void</span> construct_fake_call<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; recipe_var<span class="Delimiter">,</span> instruction&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L504" class="LineNr">504 </span>  assert<span class="Delimiter">(</span>recipe_var<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;recipe&quot;</span><span class="Delimiter">);</span>
+<span id="L505" class="LineNr">505 </span>  type_tree* stem = <span class="Constant">NULL</span><span class="Delimiter">;</span>
+<span id="L506" class="LineNr">506 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>stem = recipe_var<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>  stem &amp;&amp; stem<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name != <span class="Constant">&quot;-&gt;&quot;</span><span class="Delimiter">;</span>  stem = stem<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span>
+<span id="L507" class="LineNr">507 </span>    out<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>copy<span class="Delimiter">(</span>stem<span class="Delimiter">-&gt;</span>left<span class="Delimiter">));</span>
+<span id="L508" class="LineNr">508 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>stem == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L509" class="LineNr">509 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">skip '-&gt;'</span><span class="Comment">*/</span>stem = stem<span class="Delimiter">-&gt;</span>right<span class="Delimiter">;</span>  stem<span class="Delimiter">;</span>  stem = stem<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span>
+<span id="L510" class="LineNr">510 </span>    out<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>copy<span class="Delimiter">(</span>stem<span class="Delimiter">-&gt;</span>left<span class="Delimiter">));</span>
+<span id="L511" class="LineNr">511 </span><span class="Delimiter">}</span>
+<span id="L512" class="LineNr">512 </span>
+<span id="L513" class="LineNr">513 </span><span class="Delimiter">:(scenario copy_shape_shifting_recipe_to_variable)</span>
+<span id="L514" class="LineNr">514 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L515" class="LineNr">515 </span>  local-scope
+<span id="L516" class="LineNr">516 </span>  <span class="Delimiter">{</span>x: <span class="Delimiter">(</span>fn num<span class="muRecipe"> -&gt; </span>num<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>copy f
+<span id="L517" class="LineNr">517 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>call x<span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L518" class="LineNr">518 </span>]
+<span id="L519" class="LineNr">519 </span><span class="muRecipe">def</span> f x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
+<span id="L520" class="LineNr">520 </span>  local-scope
+<span id="L521" class="LineNr">521 </span>  load-inputs
+<span id="L522" class="LineNr">522 </span>  y<span class="Special"> &lt;- </span>copy x
+<span id="L523" class="LineNr">523 </span>]
+<span id="L524" class="LineNr">524 </span><span class="traceContains">+mem: storing 34 in location 1</span>
+<span id="L525" class="LineNr">525 </span>
+<span id="L526" class="LineNr">526 </span><span class="Comment">//: passing function literals to (higher-order) functions</span>
+<span id="L527" class="LineNr">527 </span>
+<span id="L528" class="LineNr">528 </span><span class="Delimiter">:(scenario pass_overloaded_recipe_literal_to_ingredient)</span>
+<span id="L529" class="LineNr">529 </span><span class="Comment"># like copy_overloaded_recipe_to_variable except we bind 'x' in the course of</span>
+<span id="L530" class="LineNr">530 </span><span class="Comment"># a 'call' rather than 'copy'</span>
+<span id="L531" class="LineNr">531 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L532" class="LineNr">532 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>g f
+<span id="L533" class="LineNr">533 </span>]
+<span id="L534" class="LineNr">534 </span><span class="muRecipe">def</span> g <span class="Delimiter">{</span>x: <span class="Delimiter">(</span>fn num<span class="muRecipe"> -&gt; </span>num<span class="Delimiter">)}</span><span class="muRecipe"> -&gt; </span>result:num [
+<span id="L535" class="LineNr">535 </span>  local-scope
+<span id="L536" class="LineNr">536 </span>  load-ingredients
+<span id="L537" class="LineNr">537 </span>  result<span class="Special"> &lt;- </span>call x<span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L538" class="LineNr">538 </span>]
+<span id="L539" class="LineNr">539 </span><span class="Comment"># variant f</span>
+<span id="L540" class="LineNr">540 </span><span class="muRecipe">def</span> f x:<span class="Normal">bool</span><span class="muRecipe"> -&gt; </span>y:<span class="Normal">bool</span> [
+<span id="L541" class="LineNr">541 </span>  local-scope
+<span id="L542" class="LineNr">542 </span>  load-ingredients
+<span id="L543" class="LineNr">543 </span>  y<span class="Special"> &lt;- </span>copy x
+<span id="L544" class="LineNr">544 </span>]
+<span id="L545" class="LineNr">545 </span><span class="Comment"># variant f_2</span>
+<span id="L546" class="LineNr">546 </span><span class="muRecipe">def</span> f x:num<span class="muRecipe"> -&gt; </span>y:num [
+<span id="L547" class="LineNr">547 </span>  local-scope
+<span id="L548" class="LineNr">548 </span>  load-ingredients
+<span id="L549" class="LineNr">549 </span>  y<span class="Special"> &lt;- </span>copy x
+<span id="L550" class="LineNr">550 </span>]
+<span id="L551" class="LineNr">551 </span><span class="Comment"># x contains f_2</span>
+<span id="L552" class="LineNr">552 </span><span class="traceContains">+mem: storing 34 in location 1</span>
+<span id="L553" class="LineNr">553 </span>
+<span id="L554" class="LineNr">554 </span><span class="Delimiter">:(after &quot;End resolve_ambiguous_call(r, index, inst, caller_recipe) Special-cases&quot;)</span>
+<span id="L555" class="LineNr">555 </span><span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L556" class="LineNr">556 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_recipe<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L557" class="LineNr">557 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='054static_dispatch.cc.html#L370'>non_ghost_size</a><span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Recipe_variants<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">))</span> &lt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L558" class="LineNr">558 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt; <a href='010vm.cc.html#L192'>MAX_PRIMITIVE_RECIPES</a><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L559" class="LineNr">559 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='054static_dispatch.cc.html#L370'>non_ghost_size</a><span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Recipe_variants<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>name<span class="Delimiter">))</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L560" class="LineNr">560 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;sorry, we're not yet smart enough to simultaneously guess which overloads you want for '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' and '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L561" class="LineNr">561 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L562" class="LineNr">562 </span>  <span class="Delimiter">}</span>
+<span id="L563" class="LineNr">563 </span>  <span class="Normal">const</span> recipe&amp; callee = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
+<span id="L564" class="LineNr">564 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!callee<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L565" class="LineNr">565 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;sorry, we're not yet smart enough to guess which variant of '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;' you want, when the caller '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' doesn't have a header</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L566" class="LineNr">566 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L567" class="LineNr">567 </span>  <span class="Delimiter">}</span>
+<span id="L568" class="LineNr">568 </span>  string new_name = <a href='054static_dispatch.cc.html#L173'>resolve_ambiguous_call</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">,</span> callee<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> r<span class="Delimiter">,</span> index<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
+<span id="L569" class="LineNr">569 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>new_name != <span class="Constant">&quot;&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L570" class="LineNr">570 </span>    inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name = new_name<span class="Delimiter">;</span>
+<span id="L571" class="LineNr">571 </span>    inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>value = get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> new_name<span class="Delimiter">);</span>
+<span id="L572" class="LineNr">572 </span>  <span class="Delimiter">}</span>
+<span id="L573" class="LineNr">573 </span><span class="Delimiter">}</span>
+<span id="L574" class="LineNr">574 </span>
+<span id="L575" class="LineNr">575 </span><span class="Delimiter">:(scenario return_overloaded_recipe_literal_to_caller)</span>
+<span id="L576" class="LineNr">576 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L577" class="LineNr">577 </span>  local-scope
+<span id="L578" class="LineNr">578 </span>  <span class="Delimiter">{</span>x: <span class="Delimiter">(</span>fn num<span class="muRecipe"> -&gt; </span>num<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>g
+<span id="L579" class="LineNr">579 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>call x<span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L580" class="LineNr">580 </span>]
+<span id="L581" class="LineNr">581 </span><span class="muRecipe">def</span> g<span class="muRecipe"> -&gt; </span><span class="Delimiter">{</span>x: <span class="Delimiter">(</span>fn num<span class="muRecipe"> -&gt; </span>num<span class="Delimiter">)}</span> [
+<span id="L582" class="LineNr">582 </span>  local-scope
+<span id="L583" class="LineNr">583 </span>  <span class="Identifier">return</span> f
+<span id="L584" class="LineNr">584 </span>]
+<span id="L585" class="LineNr">585 </span><span class="Comment"># variant f</span>
+<span id="L586" class="LineNr">586 </span><span class="muRecipe">def</span> f x:<span class="Normal">bool</span><span class="muRecipe"> -&gt; </span>y:<span class="Normal">bool</span> [
+<span id="L587" class="LineNr">587 </span>  local-scope
+<span id="L588" class="LineNr">588 </span>  load-ingredients
+<span id="L589" class="LineNr">589 </span>  y<span class="Special"> &lt;- </span>copy x
+<span id="L590" class="LineNr">590 </span>]
+<span id="L591" class="LineNr">591 </span><span class="Comment"># variant f_2</span>
+<span id="L592" class="LineNr">592 </span><span class="muRecipe">def</span> f x:num<span class="muRecipe"> -&gt; </span>y:num [
+<span id="L593" class="LineNr">593 </span>  local-scope
+<span id="L594" class="LineNr">594 </span>  load-ingredients
+<span id="L595" class="LineNr">595 </span>  y<span class="Special"> &lt;- </span>copy x
+<span id="L596" class="LineNr">596 </span>]
+<span id="L597" class="LineNr">597 </span><span class="Comment"># x contains f_2</span>
+<span id="L598" class="LineNr">598 </span><span class="traceContains">+mem: storing 34 in location 1</span>
+<span id="L599" class="LineNr">599 </span>
+<span id="L600" class="LineNr">600 </span><span class="Delimiter">:(before &quot;End resolve_ambiguous_call(r, index, inst, caller_recipe) Special-cases&quot;)</span>
+<span id="L601" class="LineNr">601 </span><span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;return&quot;</span> || inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;reply&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L602" class="LineNr">602 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L603" class="LineNr">603 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!is_recipe_literal<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L604" class="LineNr">604 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><a href='054static_dispatch.cc.html#L370'>non_ghost_size</a><span class="Delimiter">(</span><a href='001help.cc.html#L229'>get_or_insert</a><span class="Delimiter">(</span>Recipe_variants<span class="Delimiter">,</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">))</span> &lt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L605" class="LineNr">605 </span>    <span class="Comment">// potentially overloaded recipe</span>
+<span id="L606" class="LineNr">606 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!caller_recipe<span class="Delimiter">.</span>has_header<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L607" class="LineNr">607 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;sorry, we're not yet smart enough to guess which variant of '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;' you want, without a recipe header</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L608" class="LineNr">608 </span>      <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L609" class="LineNr">609 </span>    <span class="Delimiter">}</span>
+<span id="L610" class="LineNr">610 </span>    string new_name = <a href='054static_dispatch.cc.html#L173'>resolve_ambiguous_call</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> r<span class="Delimiter">,</span> index<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
+<span id="L611" class="LineNr">611 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>new_name == <span class="Constant">&quot;&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L612" class="LineNr">612 </span>    inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>name = new_name<span class="Delimiter">;</span>
+<span id="L613" class="LineNr">613 </span>    inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>value = get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> new_name<span class="Delimiter">);</span>
+<span id="L614" class="LineNr">614 </span>  <span class="Delimiter">}</span>
+<span id="L615" class="LineNr">615 </span>  <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L616" class="LineNr">616 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>
diff --git a/html/073scheduler.cc.html b/html/073scheduler.cc.html
index 3df86acd..0fbe4e7c 100644
--- a/html/073scheduler.cc.html
+++ b/html/073scheduler.cc.html
@@ -313,7 +313,7 @@ if ('onhashchange' in window) {
 <span id="L249" class="LineNr">249 </span><span class="traceContains">+error: f1: ingredient 0 has the wrong type at 'start-running f2, 3'</span>
 <span id="L250" class="LineNr">250 </span>
 <span id="L251" class="LineNr">251 </span><span class="Comment">// 'start-running' only uses the ingredients of the callee, not its products</span>
-<span id="L252" class="LineNr">252 </span><span class="Delimiter">:(before &quot;End <a href='072recipe.cc.html#L259'>is_indirect_call_with_ingredients</a> Special-cases&quot;)</span>
+<span id="L252" class="LineNr">252 </span><span class="Delimiter">:(before &quot;End <a href='072recipe.cc.html#L257'>is_indirect_call_with_ingredients</a> Special-cases&quot;)</span>
 <span id="L253" class="LineNr">253 </span><span class="Normal">if</span> <span class="Delimiter">(</span>r == START_RUNNING<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L254" class="LineNr">254 </span>
 <span id="L255" class="LineNr">255 </span><span class="Comment">//: back to testing 'start-running'</span>
diff --git a/html/074wait.cc.html b/html/074wait.cc.html
index 602e3ee3..46f25c43 100644
--- a/html/074wait.cc.html
+++ b/html/074wait.cc.html
@@ -232,11 +232,11 @@ if ('onhashchange' in window) {
 <span id="L168" class="LineNr">168 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L169" class="LineNr">169 </span>  <span class="Delimiter">}</span>
 <span id="L170" class="LineNr">170 </span>  <span class="Normal">const</span> type_tree* base_root_type = base<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom ? base<span class="Delimiter">.</span>type : base<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">;</span>
-<span id="L171" class="LineNr">171 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!base_root_type<span class="Delimiter">-&gt;</span>atom || base_root_type<span class="Delimiter">-&gt;</span>value == <span class="Constant">0</span> || !contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_root_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">)</span> || get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_root_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>kind != <a href='010vm.cc.html#L173'>CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L171" class="LineNr">171 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!base_root_type<span class="Delimiter">-&gt;</span>atom || base_root_type<span class="Delimiter">-&gt;</span>value == <span class="Constant">0</span> || !contains_key<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_root_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">)</span> || get<span class="Delimiter">(</span>Type<span class="Delimiter">,</span> base_root_type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">).</span>kind != <a href='010vm.cc.html#L174'>CONTAINER</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L172" class="LineNr">172 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'get-location' should be a container, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L173" class="LineNr">173 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span id="L174" class="LineNr">174 </span>  <span class="Delimiter">}</span>
-<span id="L175" class="LineNr">175 </span>  <a href='010vm.cc.html#L123'>type_ordinal</a> base_type = base<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">;</span>
+<span id="L175" class="LineNr">175 </span>  <a href='010vm.cc.html#L124'>type_ordinal</a> base_type = base<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value<span class="Delimiter">;</span>
 <span id="L176" class="LineNr">176 </span>  <span class="Normal">const</span> reagent&amp; offset = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L177" class="LineNr">177 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal<span class="Delimiter">(</span>offset<span class="Delimiter">)</span> || !is_mu_scalar<span class="Delimiter">(</span>offset<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L178" class="LineNr">178 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;second ingredient of 'get-location' should have type 'offset', but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
diff --git a/html/076continuation.cc.html b/html/076continuation.cc.html
index 5313cb95..4987689f 100644
--- a/html/076continuation.cc.html
+++ b/html/076continuation.cc.html
@@ -97,306 +97,327 @@ if ('onhashchange' in window) {
 <span id="L34" class="LineNr"> 34 </span><span class="Comment">//:  * Conversely, you can pass ingredients to a continuation when calling it,</span>
 <span id="L35" class="LineNr"> 35 </span><span class="Comment">//:    to make it available to products of 'return-continuation-until-mark'.</span>
 <span id="L36" class="LineNr"> 36 </span><span class="Comment">//:    See continuation5.mu.</span>
-<span id="L37" class="LineNr"> 37 </span><span class="Comment">//:</span>
-<span id="L38" class="LineNr"> 38 </span><span class="Comment">//: Inspired by James and Sabry, &quot;Yield: Mainstream delimited continuations&quot;,</span>
-<span id="L39" class="LineNr"> 39 </span><span class="Comment">//: Workshop on the Theory and Practice of Delimited Continuations, 2011.</span>
-<span id="L40" class="LineNr"> 40 </span><span class="Comment">//: <a href="https://www.cs.indiana.edu/~sabry/papers/yield.pdf">https://www.cs.indiana.edu/~sabry/papers/yield.pdf</a></span>
-<span id="L41" class="LineNr"> 41 </span><span class="Comment">//:</span>
-<span id="L42" class="LineNr"> 42 </span><span class="Comment">//: Caveats:</span>
-<span id="L43" class="LineNr"> 43 </span><span class="Comment">//:  * At the moment we can't statically type-check continuations. So we raise</span>
-<span id="L44" class="LineNr"> 44 </span><span class="Comment">//:    runtime errors for a call that doesn't return a continuation when the</span>
-<span id="L45" class="LineNr"> 45 </span><span class="Comment">//:    caller expects, or one that returns a continuation when the caller</span>
-<span id="L46" class="LineNr"> 46 </span><span class="Comment">//:    doesn't expect it. This shouldn't cause memory corruption, though.</span>
-<span id="L47" class="LineNr"> 47 </span><span class="Comment">//:    There should still be no way to lookup addresses that aren't allocated.</span>
-<span id="L48" class="LineNr"> 48 </span>
-<span id="L49" class="LineNr"> 49 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
-<span id="L50" class="LineNr"> 50 </span><a href='010vm.cc.html#L123'>type_ordinal</a> continuation = Type_ordinal[<span class="Constant">&quot;continuation&quot;</span>] = Next_type_ordinal++<span class="Delimiter">;</span>
-<span id="L51" class="LineNr"> 51 </span>Type[continuation]<span class="Delimiter">.</span>name = <span class="Constant">&quot;continuation&quot;</span><span class="Delimiter">;</span>
-<span id="L52" class="LineNr"> 52 </span>
-<span id="L53" class="LineNr"> 53 </span><span class="Comment">//: A continuation can be called like a recipe.</span>
-<span id="L54" class="LineNr"> 54 </span><span class="Delimiter">:(before &quot;End <a href='072recipe.cc.html#L340'>is_mu_recipe</a> Atom Cases(r)&quot;)</span>
-<span id="L55" class="LineNr"> 55 </span><span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;continuation&quot;</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L56" class="LineNr"> 56 </span>
-<span id="L57" class="LineNr"> 57 </span><span class="Comment">//: However, it can't be type-checked like most recipes. Pretend it's like a</span>
-<span id="L58" class="LineNr"> 58 </span><span class="Comment">//: header-less recipe.</span>
-<span id="L59" class="LineNr"> 59 </span><span class="Delimiter">:(after &quot;Begin Reagent-&gt;Recipe(r, recipe_header)&quot;)</span>
-<span id="L60" class="LineNr"> 60 </span><span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom &amp;&amp; r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;continuation&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L61" class="LineNr"> 61 </span>  result_header<span class="Delimiter">.</span>has_header = <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L62" class="LineNr"> 62 </span>  <span class="Identifier">return</span> result_header<span class="Delimiter">;</span>
-<span id="L63" class="LineNr"> 63 </span><span class="Delimiter">}</span>
-<span id="L64" class="LineNr"> 64 </span>
-<span id="L65" class="LineNr"> 65 </span><span class="Delimiter">:(scenario delimited_continuation)</span>
-<span id="L66" class="LineNr"> 66 </span><span class="muRecipe"><a href='010vm.cc.html#L19'>recipe</a></span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L67" class="LineNr"> 67 </span>  <span class="Constant">1</span>:continuation<span class="Special"> &lt;- </span>call-with-continuation-mark <span class="Constant">233</span>/mark<span class="Delimiter">,</span> f<span class="Delimiter">,</span> <span class="Constant">77</span>  <span class="Comment"># 77 is an argument to f</span>
-<span id="L68" class="LineNr"> 68 </span>  <span class="Constant">2</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">5</span>
-<span id="L69" class="LineNr"> 69 </span>  <span class="Delimiter">{</span>
-<span id="L70" class="LineNr"> 70 </span>    <span class="Constant">2</span>:number<span class="Special"> &lt;- </span>call <span class="Constant">1</span>:continuation<span class="Delimiter">,</span> <span class="Constant">2</span>:number  <span class="Comment"># jump to 'return-continuation-until-mark' below</span>
-<span id="L71" class="LineNr"> 71 </span>    <span class="Constant">3</span>:boolean<span class="Special"> &lt;- </span>greater-<span class="Normal">or</span>-equal <span class="Constant">2</span>:number<span class="Delimiter">,</span> <span class="Constant">8</span>
-<span id="L72" class="LineNr"> 72 </span>    <span class="Identifier">break</span>-<span class="Normal">if</span> <span class="Constant">3</span>:boolean
-<span id="L73" class="LineNr"> 73 </span>    loop
-<span id="L74" class="LineNr"> 74 </span>  <span class="Delimiter">}</span>
-<span id="L75" class="LineNr"> 75 </span>]
-<span id="L76" class="LineNr"> 76 </span><span class="muRecipe"><a href='010vm.cc.html#L19'>recipe</a></span> f [
-<span id="L77" class="LineNr"> 77 </span>  <span class="Constant">11</span>:number<span class="Special"> &lt;- </span>next-ingredient
-<span id="L78" class="LineNr"> 78 </span>  <span class="Constant">12</span>:number<span class="Special"> &lt;- </span>g <span class="Constant">11</span>:number
-<span id="L79" class="LineNr"> 79 </span>  <span class="Identifier">return</span> <span class="Constant">12</span>:number
+<span id="L37" class="LineNr"> 37 </span><span class="Comment">//:  * There can be multiple continuation marks on the stack at once;</span>
+<span id="L38" class="LineNr"> 38 </span><span class="Comment">//:    'call-with-continuation-mark' and 'return-continuation-until-mark' both</span>
+<span id="L39" class="LineNr"> 39 </span><span class="Comment">//:    need to pass in a tag to coordinate on the correct mark. This allows us</span>
+<span id="L40" class="LineNr"> 40 </span><span class="Comment">//:    to save multiple continuations for different purposes (say if one is</span>
+<span id="L41" class="LineNr"> 41 </span><span class="Comment">//:    for exceptions) with overlapping stack frames. See exception.mu.</span>
+<span id="L42" class="LineNr"> 42 </span><span class="Comment">//:</span>
+<span id="L43" class="LineNr"> 43 </span><span class="Comment">//: Inspired by James and Sabry, &quot;Yield: Mainstream delimited continuations&quot;,</span>
+<span id="L44" class="LineNr"> 44 </span><span class="Comment">//: Workshop on the Theory and Practice of Delimited Continuations, 2011.</span>
+<span id="L45" class="LineNr"> 45 </span><span class="Comment">//: <a href="https://www.cs.indiana.edu/~sabry/papers/yield.pdf">https://www.cs.indiana.edu/~sabry/papers/yield.pdf</a></span>
+<span id="L46" class="LineNr"> 46 </span><span class="Comment">//:</span>
+<span id="L47" class="LineNr"> 47 </span><span class="Comment">//: Caveats:</span>
+<span id="L48" class="LineNr"> 48 </span><span class="Comment">//:  * At the moment we can't statically type-check continuations. So we raise</span>
+<span id="L49" class="LineNr"> 49 </span><span class="Comment">//:    runtime errors for a call that doesn't return a continuation when the</span>
+<span id="L50" class="LineNr"> 50 </span><span class="Comment">//:    caller expects, or one that returns a continuation when the caller</span>
+<span id="L51" class="LineNr"> 51 </span><span class="Comment">//:    doesn't expect it. This shouldn't cause memory corruption, though.</span>
+<span id="L52" class="LineNr"> 52 </span><span class="Comment">//:    There should still be no way to lookup addresses that aren't allocated.</span>
+<span id="L53" class="LineNr"> 53 </span>
+<span id="L54" class="LineNr"> 54 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
+<span id="L55" class="LineNr"> 55 </span><a href='010vm.cc.html#L124'>type_ordinal</a> continuation = Type_ordinal[<span class="Constant">&quot;continuation&quot;</span>] = Next_type_ordinal++<span class="Delimiter">;</span>
+<span id="L56" class="LineNr"> 56 </span>Type[continuation]<span class="Delimiter">.</span>name = <span class="Constant">&quot;continuation&quot;</span><span class="Delimiter">;</span>
+<span id="L57" class="LineNr"> 57 </span>
+<span id="L58" class="LineNr"> 58 </span><span class="Comment">//: A continuation can be called like a recipe.</span>
+<span id="L59" class="LineNr"> 59 </span><span class="Delimiter">:(before &quot;End <a href='072recipe.cc.html#L335'>is_mu_recipe</a> Atom Cases(r)&quot;)</span>
+<span id="L60" class="LineNr"> 60 </span><span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;continuation&quot;</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L61" class="LineNr"> 61 </span>
+<span id="L62" class="LineNr"> 62 </span><span class="Comment">//: However, it can't be type-checked like most recipes. Pretend it's like a</span>
+<span id="L63" class="LineNr"> 63 </span><span class="Comment">//: header-less recipe.</span>
+<span id="L64" class="LineNr"> 64 </span><span class="Delimiter">:(after &quot;Begin Reagent-&gt;Recipe(r, recipe_header)&quot;)</span>
+<span id="L65" class="LineNr"> 65 </span><span class="Normal">if</span> <span class="Delimiter">(</span>r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom &amp;&amp; r<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;continuation&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L66" class="LineNr"> 66 </span>  result_header<span class="Delimiter">.</span>has_header = <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L67" class="LineNr"> 67 </span>  <span class="Identifier">return</span> result_header<span class="Delimiter">;</span>
+<span id="L68" class="LineNr"> 68 </span><span class="Delimiter">}</span>
+<span id="L69" class="LineNr"> 69 </span>
+<span id="L70" class="LineNr"> 70 </span><span class="Delimiter">:(scenario delimited_continuation)</span>
+<span id="L71" class="LineNr"> 71 </span><span class="muRecipe"><a href='010vm.cc.html#L19'>recipe</a></span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L72" class="LineNr"> 72 </span>  <span class="Constant">1</span>:continuation<span class="Special"> &lt;- </span>call-with-continuation-mark <span class="Constant">233</span>/mark<span class="Delimiter">,</span> f<span class="Delimiter">,</span> <span class="Constant">77</span>  <span class="Comment"># 77 is an argument to f</span>
+<span id="L73" class="LineNr"> 73 </span>  <span class="Constant">2</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">5</span>
+<span id="L74" class="LineNr"> 74 </span>  <span class="Delimiter">{</span>
+<span id="L75" class="LineNr"> 75 </span>    <span class="Constant">2</span>:number<span class="Special"> &lt;- </span>call <span class="Constant">1</span>:continuation<span class="Delimiter">,</span> <span class="Constant">2</span>:number  <span class="Comment"># jump to 'return-continuation-until-mark' below</span>
+<span id="L76" class="LineNr"> 76 </span>    <span class="Constant">3</span>:boolean<span class="Special"> &lt;- </span>greater-<span class="Normal">or</span>-equal <span class="Constant">2</span>:number<span class="Delimiter">,</span> <span class="Constant">8</span>
+<span id="L77" class="LineNr"> 77 </span>    <span class="Identifier">break</span>-<span class="Normal">if</span> <span class="Constant">3</span>:boolean
+<span id="L78" class="LineNr"> 78 </span>    loop
+<span id="L79" class="LineNr"> 79 </span>  <span class="Delimiter">}</span>
 <span id="L80" class="LineNr"> 80 </span>]
-<span id="L81" class="LineNr"> 81 </span><span class="muRecipe"><a href='010vm.cc.html#L19'>recipe</a></span> g [
-<span id="L82" class="LineNr"> 82 </span>  <span class="Constant">21</span>:number<span class="Special"> &lt;- </span>next-ingredient
-<span id="L83" class="LineNr"> 83 </span>  <span class="Constant">22</span>:number<span class="Special"> &lt;- </span><span class="Identifier">return</span>-continuation-until-mark <span class="Constant">233</span>/mark
-<span id="L84" class="LineNr"> 84 </span>  <span class="Constant">23</span>:number<span class="Special"> &lt;- </span>add <span class="Constant">22</span>:number<span class="Delimiter">,</span> <span class="Constant">1</span>
-<span id="L85" class="LineNr"> 85 </span>  <span class="Identifier">return</span> <span class="Constant">23</span>:number
-<span id="L86" class="LineNr"> 86 </span>]
-<span id="L87" class="LineNr"> 87 </span><span class="Comment"># first call of 'g' executes the part before return-continuation-until-mark</span>
-<span id="L88" class="LineNr"> 88 </span><span class="traceContains">+mem: storing 77 in location 21</span>
-<span id="L89" class="LineNr"> 89 </span><span class="traceContains">+run: {2: &quot;number&quot;} &lt;- copy {5: &quot;literal&quot;}</span>
-<span id="L90" class="LineNr"> 90 </span><span class="traceContains">+mem: storing 5 in location 2</span>
-<span id="L91" class="LineNr"> 91 </span><span class="Comment"># calls of the continuation execute the part after return-continuation-until-mark</span>
-<span id="L92" class="LineNr"> 92 </span><span class="traceContains">+run: {2: &quot;number&quot;} &lt;- call {1: &quot;continuation&quot;}, {2: &quot;number&quot;}</span>
-<span id="L93" class="LineNr"> 93 </span><span class="traceContains">+mem: storing 5 in location 22</span>
-<span id="L94" class="LineNr"> 94 </span><span class="traceContains">+mem: storing 6 in location 2</span>
-<span id="L95" class="LineNr"> 95 </span><span class="traceContains">+run: {2: &quot;number&quot;} &lt;- call {1: &quot;continuation&quot;}, {2: &quot;number&quot;}</span>
-<span id="L96" class="LineNr"> 96 </span><span class="traceContains">+mem: storing 6 in location 22</span>
-<span id="L97" class="LineNr"> 97 </span><span class="traceContains">+mem: storing 7 in location 2</span>
-<span id="L98" class="LineNr"> 98 </span><span class="traceContains">+run: {2: &quot;number&quot;} &lt;- call {1: &quot;continuation&quot;}, {2: &quot;number&quot;}</span>
-<span id="L99" class="LineNr"> 99 </span><span class="traceContains">+mem: storing 7 in location 22</span>
-<span id="L100" class="LineNr">100 </span><span class="traceContains">+mem: storing 8 in location 2</span>
-<span id="L101" class="LineNr">101 </span><span class="Comment"># first call of 'g' does not execute the part after return-continuation-until-mark</span>
-<span id="L102" class="LineNr">102 </span><span class="traceAbsent">-mem: storing 77 in location 22</span>
-<span id="L103" class="LineNr">103 </span><span class="Comment"># calls of the continuation don't execute the part before return-continuation-until-mark</span>
-<span id="L104" class="LineNr">104 </span><span class="traceAbsent">-mem: storing 5 in location 21</span>
-<span id="L105" class="LineNr">105 </span><span class="traceAbsent">-mem: storing 6 in location 21</span>
-<span id="L106" class="LineNr">106 </span><span class="traceAbsent">-mem: storing 7 in location 21</span>
-<span id="L107" class="LineNr">107 </span><span class="Comment"># termination</span>
-<span id="L108" class="LineNr">108 </span><span class="traceAbsent">-mem: storing 9 in location 2</span>
-<span id="L109" class="LineNr">109 </span>
-<span id="L110" class="LineNr">110 </span><span class="Delimiter">:(before &quot;End call Fields&quot;)</span>
-<span id="L111" class="LineNr">111 </span><span class="Normal">int</span> is_base_of_continuation<span class="Delimiter">;</span>
-<span id="L112" class="LineNr">112 </span><span class="Delimiter">:(before &quot;End call Constructor&quot;)</span>
-<span id="L113" class="LineNr">113 </span>is_base_of_continuation = <span class="Constant">0</span><span class="Delimiter">;</span>
+<span id="L81" class="LineNr"> 81 </span><span class="muRecipe"><a href='010vm.cc.html#L19'>recipe</a></span> f [
+<span id="L82" class="LineNr"> 82 </span>  <span class="Constant">11</span>:number<span class="Special"> &lt;- </span>next-ingredient
+<span id="L83" class="LineNr"> 83 </span>  <span class="Constant">12</span>:number<span class="Special"> &lt;- </span>g <span class="Constant">11</span>:number
+<span id="L84" class="LineNr"> 84 </span>  <span class="Identifier">return</span> <span class="Constant">12</span>:number
+<span id="L85" class="LineNr"> 85 </span>]
+<span id="L86" class="LineNr"> 86 </span><span class="muRecipe"><a href='010vm.cc.html#L19'>recipe</a></span> g [
+<span id="L87" class="LineNr"> 87 </span>  <span class="Constant">21</span>:number<span class="Special"> &lt;- </span>next-ingredient
+<span id="L88" class="LineNr"> 88 </span>  <span class="Constant">22</span>:number<span class="Special"> &lt;- </span><span class="Identifier">return</span>-continuation-until-mark <span class="Constant">233</span>/mark
+<span id="L89" class="LineNr"> 89 </span>  <span class="Constant">23</span>:number<span class="Special"> &lt;- </span>add <span class="Constant">22</span>:number<span class="Delimiter">,</span> <span class="Constant">1</span>
+<span id="L90" class="LineNr"> 90 </span>  <span class="Identifier">return</span> <span class="Constant">23</span>:number
+<span id="L91" class="LineNr"> 91 </span>]
+<span id="L92" class="LineNr"> 92 </span><span class="Comment"># first call of 'g' executes the part before return-continuation-until-mark</span>
+<span id="L93" class="LineNr"> 93 </span><span class="traceContains">+mem: storing 77 in location 21</span>
+<span id="L94" class="LineNr"> 94 </span><span class="traceContains">+run: {2: &quot;number&quot;} &lt;- copy {5: &quot;literal&quot;}</span>
+<span id="L95" class="LineNr"> 95 </span><span class="traceContains">+mem: storing 5 in location 2</span>
+<span id="L96" class="LineNr"> 96 </span><span class="Comment"># calls of the continuation execute the part after return-continuation-until-mark</span>
+<span id="L97" class="LineNr"> 97 </span><span class="traceContains">+run: {2: &quot;number&quot;} &lt;- call {1: &quot;continuation&quot;}, {2: &quot;number&quot;}</span>
+<span id="L98" class="LineNr"> 98 </span><span class="traceContains">+mem: storing 5 in location 22</span>
+<span id="L99" class="LineNr"> 99 </span><span class="traceContains">+mem: storing 6 in location 2</span>
+<span id="L100" class="LineNr">100 </span><span class="traceContains">+run: {2: &quot;number&quot;} &lt;- call {1: &quot;continuation&quot;}, {2: &quot;number&quot;}</span>
+<span id="L101" class="LineNr">101 </span><span class="traceContains">+mem: storing 6 in location 22</span>
+<span id="L102" class="LineNr">102 </span><span class="traceContains">+mem: storing 7 in location 2</span>
+<span id="L103" class="LineNr">103 </span><span class="traceContains">+run: {2: &quot;number&quot;} &lt;- call {1: &quot;continuation&quot;}, {2: &quot;number&quot;}</span>
+<span id="L104" class="LineNr">104 </span><span class="traceContains">+mem: storing 7 in location 22</span>
+<span id="L105" class="LineNr">105 </span><span class="traceContains">+mem: storing 8 in location 2</span>
+<span id="L106" class="LineNr">106 </span><span class="Comment"># first call of 'g' does not execute the part after return-continuation-until-mark</span>
+<span id="L107" class="LineNr">107 </span><span class="traceAbsent">-mem: storing 77 in location 22</span>
+<span id="L108" class="LineNr">108 </span><span class="Comment"># calls of the continuation don't execute the part before return-continuation-until-mark</span>
+<span id="L109" class="LineNr">109 </span><span class="traceAbsent">-mem: storing 5 in location 21</span>
+<span id="L110" class="LineNr">110 </span><span class="traceAbsent">-mem: storing 6 in location 21</span>
+<span id="L111" class="LineNr">111 </span><span class="traceAbsent">-mem: storing 7 in location 21</span>
+<span id="L112" class="LineNr">112 </span><span class="Comment"># termination</span>
+<span id="L113" class="LineNr">113 </span><span class="traceAbsent">-mem: storing 9 in location 2</span>
 <span id="L114" class="LineNr">114 </span>
-<span id="L115" class="LineNr">115 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
-<span id="L116" class="LineNr">116 </span>CALL_WITH_CONTINUATION_MARK<span class="Delimiter">,</span>
-<span id="L117" class="LineNr">117 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L118" class="LineNr">118 </span>Recipe_ordinal[<span class="Constant">&quot;call-with-continuation-mark&quot;</span>] = CALL_WITH_CONTINUATION_MARK<span class="Delimiter">;</span>
-<span id="L119" class="LineNr">119 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
-<span id="L120" class="LineNr">120 </span><span class="Normal">case</span> CALL_WITH_CONTINUATION_MARK: <span class="Delimiter">{</span>
-<span id="L121" class="LineNr">121 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L122" class="LineNr">122 </span><span class="Delimiter">}</span>
-<span id="L123" class="LineNr">123 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span id="L124" class="LineNr">124 </span><span class="Normal">case</span> CALL_WITH_CONTINUATION_MARK: <span class="Delimiter">{</span>
-<span id="L125" class="LineNr">125 </span>  <span class="Comment">// like call, but mark the current call as a 'base of continuation' call</span>
-<span id="L126" class="LineNr">126 </span>  <span class="Comment">// before pushing the next one on it</span>
-<span id="L127" class="LineNr">127 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L128" class="LineNr">128 </span>    ++Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth<span class="Delimiter">;</span>
-<span id="L129" class="LineNr">129 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;trace&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;delimited continuation; incrementing callstack depth to &quot;</span> &lt;&lt; Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L130" class="LineNr">130 </span>    assert<span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt; <span class="Constant">9000</span><span class="Delimiter">);</span>  <span class="Comment">// 9998-101 plus cushion</span>
-<span id="L131" class="LineNr">131 </span>  <span class="Delimiter">}</span>
-<span id="L132" class="LineNr">132 </span>  <span class="Normal">const</span> instruction&amp; caller_instruction = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">();</span>
-<span id="L133" class="LineNr">133 </span>  Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>is_base_of_continuation = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>value<span class="Delimiter">;</span>
-<span id="L134" class="LineNr">134 </span>  Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>push_front<span class="Delimiter">(</span>call<span class="Delimiter">(</span>Recipe_ordinal[current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name]<span class="Delimiter">));</span>
-<span id="L135" class="LineNr">135 </span>  ingredients<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">());</span>  <span class="Comment">// drop the mark</span>
-<span id="L136" class="LineNr">136 </span>  ingredients<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">());</span>  <span class="Comment">// drop the callee</span>
-<span id="L137" class="LineNr">137 </span>  finish_call_housekeeping<span class="Delimiter">(</span>caller_instruction<span class="Delimiter">,</span> ingredients<span class="Delimiter">);</span>
-<span id="L138" class="LineNr">138 </span>  <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L139" class="LineNr">139 </span><span class="Delimiter">}</span>
-<span id="L140" class="LineNr">140 </span>
-<span id="L141" class="LineNr">141 </span><span class="Comment">//: save the slice of current call stack until the 'call-with-continuation-mark'</span>
-<span id="L142" class="LineNr">142 </span><span class="Comment">//: call, and return it as the result.</span>
-<span id="L143" class="LineNr">143 </span><span class="Comment">//: todo: implement delimited continuations in Mu's memory</span>
-<span id="L144" class="LineNr">144 </span><span class="Delimiter">:(before &quot;End Types&quot;)</span>
-<span id="L145" class="LineNr">145 </span><span class="Normal">struct</span> delimited_continuation <span class="Delimiter">{</span>
-<span id="L146" class="LineNr">146 </span>  call_stack frames<span class="Delimiter">;</span>
-<span id="L147" class="LineNr">147 </span>  <span class="Normal">int</span> nrefs<span class="Delimiter">;</span>
-<span id="L148" class="LineNr">148 </span>  delimited_continuation<span class="Delimiter">(</span>call_stack::iterator begin<span class="Delimiter">,</span> call_stack::iterator <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">)</span> :frames<span class="Delimiter">(</span>call_stack<span class="Delimiter">(</span>begin<span class="Delimiter">,</span> <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">)),</span> nrefs<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{}</span>
-<span id="L149" class="LineNr">149 </span><span class="Delimiter">};</span>
-<span id="L150" class="LineNr">150 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
-<span id="L151" class="LineNr">151 </span>map&lt;<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span><span class="Delimiter">,</span> delimited_continuation&gt; Delimited_continuation<span class="Delimiter">;</span>
-<span id="L152" class="LineNr">152 </span><span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> Next_delimited_continuation_id = <span class="Constant">1</span><span class="Delimiter">;</span>  <span class="Comment">// 0 is null just like an address</span>
-<span id="L153" class="LineNr">153 </span><span class="Delimiter">:(before &quot;End Reset&quot;)</span>
-<span id="L154" class="LineNr">154 </span>Delimited_continuation<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L155" class="LineNr">155 </span>Next_delimited_continuation_id = <span class="Constant">1</span><span class="Delimiter">;</span>
-<span id="L156" class="LineNr">156 </span>
-<span id="L157" class="LineNr">157 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
-<span id="L158" class="LineNr">158 </span>RETURN_CONTINUATION_UNTIL_MARK<span class="Delimiter">,</span>
-<span id="L159" class="LineNr">159 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
-<span id="L160" class="LineNr">160 </span>Recipe_ordinal[<span class="Constant">&quot;return-continuation-until-mark&quot;</span>] = RETURN_CONTINUATION_UNTIL_MARK<span class="Delimiter">;</span>
-<span id="L161" class="LineNr">161 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
-<span id="L162" class="LineNr">162 </span><span class="Normal">case</span> RETURN_CONTINUATION_UNTIL_MARK: <span class="Delimiter">{</span>
-<span id="L163" class="LineNr">163 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L164" class="LineNr">164 </span><span class="Delimiter">}</span>
-<span id="L165" class="LineNr">165 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
-<span id="L166" class="LineNr">166 </span><span class="Normal">case</span> RETURN_CONTINUATION_UNTIL_MARK: <span class="Delimiter">{</span>
-<span id="L167" class="LineNr">167 </span>  <span class="Comment">// I don't know how to think about next-ingredient in combination with</span>
-<span id="L168" class="LineNr">168 </span>  <span class="Comment">// continuations, so seems cleaner to just kill it. Functions have to read</span>
-<span id="L169" class="LineNr">169 </span>  <span class="Comment">// their inputs before ever returning a continuation.</span>
-<span id="L170" class="LineNr">170 </span>  Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
-<span id="L171" class="LineNr">171 </span>  Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>next_ingredient_to_process = <span class="Constant">0</span><span class="Delimiter">;</span>
-<span id="L172" class="LineNr">172 </span>  <span class="Comment">// copy the current call stack until the most recent marked call</span>
-<span id="L173" class="LineNr">173 </span>  call_stack::iterator find_base_of_continuation<span class="Delimiter">(</span>call_stack&amp;<span class="Delimiter">,</span> <span class="Normal">int</span><span class="Delimiter">);</span>  <span class="Comment">// manual prototype containing '::'</span>
-<span id="L174" class="LineNr">174 </span>  call_stack::iterator base = find_base_of_continuation<span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">mark identifier</span><span class="Comment">*/</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>value<span class="Delimiter">);</span>
-<span id="L175" class="LineNr">175 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>base == Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L176" class="LineNr">176 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;couldn't find a 'call-with-continuation-mark' to return to</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
-<span id="L177" class="LineNr">177 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;call stack:</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L178" class="LineNr">178 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span>call_stack::iterator p = Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span>
-<span id="L179" class="LineNr">179 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;  &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> p<span class="Delimiter">-&gt;</span>running_recipe<span class="Delimiter">).</span>name &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L180" class="LineNr">180 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
-<span id="L181" class="LineNr">181 </span>  <span class="Delimiter">}</span>
-<span id="L182" class="LineNr">182 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;creating continuation &quot;</span> &lt;&lt; Next_delimited_continuation_id &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L183" class="LineNr">183 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Delimited_continuation<span class="Delimiter">,</span> Next_delimited_continuation_id<span class="Delimiter">,</span> delimited_continuation<span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> base<span class="Delimiter">));</span>
-<span id="L184" class="LineNr">184 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>begin<span class="Delimiter">()</span> != base<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L185" class="LineNr">185 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L186" class="LineNr">186 </span>      --Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth<span class="Delimiter">;</span>
-<span id="L187" class="LineNr">187 </span>      assert<span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &gt;= <span class="Constant">0</span><span class="Delimiter">);</span>
-<span id="L188" class="LineNr">188 </span>    <span class="Delimiter">}</span>
-<span id="L189" class="LineNr">189 </span>    Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>pop_front<span class="Delimiter">();</span>
-<span id="L190" class="LineNr">190 </span>  <span class="Delimiter">}</span>
-<span id="L191" class="LineNr">191 </span>  <span class="Comment">// return it as the result of the marked call</span>
-<span id="L192" class="LineNr">192 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L193" class="LineNr">193 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>Next_delimited_continuation_id<span class="Delimiter">);</span>
-<span id="L194" class="LineNr">194 </span>  <span class="Comment">// return any other ingredients passed in</span>
-<span id="L195" class="LineNr">195 </span>  copy<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">skip mark identifier</span><span class="Comment">*/</span>++ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> ingredients<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">(),</span> inserter<span class="Delimiter">(</span>products<span class="Delimiter">,</span> products<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">()));</span>
-<span id="L196" class="LineNr">196 </span>  ++Next_delimited_continuation_id<span class="Delimiter">;</span>
-<span id="L197" class="LineNr">197 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// continue to process rest of marked call</span>
-<span id="L198" class="LineNr">198 </span><span class="Delimiter">}</span>
-<span id="L199" class="LineNr">199 </span>
-<span id="L200" class="LineNr">200 </span><span class="Delimiter">:(code)</span>
-<span id="L201" class="LineNr">201 </span>call_stack::iterator find_base_of_continuation<span class="Delimiter">(</span>call_stack&amp; c<span class="Delimiter">,</span> <span class="Normal">int</span> mark<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L202" class="LineNr">202 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>call_stack::iterator p = c<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != c<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span>
-<span id="L203" class="LineNr">203 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>is_base_of_continuation == mark<span class="Delimiter">)</span> <span class="Identifier">return</span> p<span class="Delimiter">;</span>
-<span id="L204" class="LineNr">204 </span>  <span class="Identifier">return</span> c<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L205" class="LineNr">205 </span><span class="Delimiter">}</span>
-<span id="L206" class="LineNr">206 </span>
-<span id="L207" class="LineNr">207 </span><span class="Comment">//: overload 'call' for continuations</span>
-<span id="L208" class="LineNr">208 </span><span class="Delimiter">:(after &quot;Begin Call&quot;)</span>
-<span id="L209" class="LineNr">209 </span><span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_continuation<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
-<span id="L210" class="LineNr">210 </span>  <span class="Comment">// copy multiple calls on to current call stack</span>
-<span id="L211" class="LineNr">211 </span>  assert<span class="Delimiter">(</span>scalar<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)));</span>
-<span id="L212" class="LineNr">212 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;calling continuation &quot;</span> &lt;&lt; ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L213" class="LineNr">213 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Delimited_continuation<span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span>
-<span id="L214" class="LineNr">214 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;no such delimited continuation &quot;</span> &lt;&lt; <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L215" class="LineNr">215 </span>  <span class="Normal">const</span> call_stack&amp; new_frames = get<span class="Delimiter">(</span>Delimited_continuation<span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)).</span>frames<span class="Delimiter">;</span>
-<span id="L216" class="LineNr">216 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>call_stack::const_reverse_iterator p = new_frames<span class="Delimiter">.</span>rbegin<span class="Delimiter">();</span> p != new_frames<span class="Delimiter">.</span>rend<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span>
-<span id="L217" class="LineNr">217 </span>    Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>push_front<span class="Delimiter">(</span>*p<span class="Delimiter">);</span>
-<span id="L218" class="LineNr">218 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L219" class="LineNr">219 </span>    Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth += <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_frames<span class="Delimiter">);</span>
-<span id="L220" class="LineNr">220 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;trace&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;calling delimited continuation; growing callstack depth to &quot;</span> &lt;&lt; Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L221" class="LineNr">221 </span>    assert<span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt; <span class="Constant">9000</span><span class="Delimiter">);</span>  <span class="Comment">// 9998-101 plus cushion</span>
-<span id="L222" class="LineNr">222 </span>  <span class="Delimiter">}</span>
-<span id="L223" class="LineNr">223 </span>  <span class="Comment">// no call housekeeping; continuations don't support next-ingredient</span>
-<span id="L224" class="LineNr">224 </span>  copy<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">drop continuation</span><span class="Comment">*/</span>++ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> ingredients<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">(),</span> inserter<span class="Delimiter">(</span>products<span class="Delimiter">,</span> products<span class="Delimiter">.</span>begin<span class="Delimiter">()));</span>
-<span id="L225" class="LineNr">225 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// record results of resuming 'return-continuation-until-mark' instruction</span>
+<span id="L115" class="LineNr">115 </span><span class="Delimiter">:(before &quot;End call Fields&quot;)</span>
+<span id="L116" class="LineNr">116 </span><span class="Normal">int</span> continuation_mark_tag<span class="Delimiter">;</span>
+<span id="L117" class="LineNr">117 </span><span class="Delimiter">:(before &quot;End call Constructor&quot;)</span>
+<span id="L118" class="LineNr">118 </span>continuation_mark_tag = <span class="Constant">0</span><span class="Delimiter">;</span>
+<span id="L119" class="LineNr">119 </span>
+<span id="L120" class="LineNr">120 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
+<span id="L121" class="LineNr">121 </span>CALL_WITH_CONTINUATION_MARK<span class="Delimiter">,</span>
+<span id="L122" class="LineNr">122 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
+<span id="L123" class="LineNr">123 </span>Recipe_ordinal[<span class="Constant">&quot;call-with-continuation-mark&quot;</span>] = CALL_WITH_CONTINUATION_MARK<span class="Delimiter">;</span>
+<span id="L124" class="LineNr">124 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
+<span id="L125" class="LineNr">125 </span><span class="Normal">case</span> CALL_WITH_CONTINUATION_MARK: <span class="Delimiter">{</span>
+<span id="L126" class="LineNr">126 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &lt; <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L127" class="LineNr">127 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' requires at least two ingredients: a mark number and a <a href='010vm.cc.html#L19'>recipe</a> to call</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L128" class="LineNr">128 </span>  <span class="Delimiter">}</span>
+<span id="L129" class="LineNr">129 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L130" class="LineNr">130 </span><span class="Delimiter">}</span>
+<span id="L131" class="LineNr">131 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
+<span id="L132" class="LineNr">132 </span><span class="Normal">case</span> CALL_WITH_CONTINUATION_MARK: <span class="Delimiter">{</span>
+<span id="L133" class="LineNr">133 </span>  <span class="Comment">// like call, but mark the current call as a 'base of continuation' call</span>
+<span id="L134" class="LineNr">134 </span>  <span class="Comment">// before pushing the next one on it</span>
+<span id="L135" class="LineNr">135 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L136" class="LineNr">136 </span>    ++Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth<span class="Delimiter">;</span>
+<span id="L137" class="LineNr">137 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;trace&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;delimited continuation; incrementing callstack depth to &quot;</span> &lt;&lt; Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L138" class="LineNr">138 </span>    assert<span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt; <span class="Constant">9000</span><span class="Delimiter">);</span>  <span class="Comment">// 9998-101 plus cushion</span>
+<span id="L139" class="LineNr">139 </span>  <span class="Delimiter">}</span>
+<span id="L140" class="LineNr">140 </span>  <a href='010vm.cc.html#L32'>instruction</a><span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> caller_instruction = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">();</span>
+<span id="L141" class="LineNr">141 </span>  Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>continuation_mark_tag = <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>value<span class="Delimiter">;</span>
+<span id="L142" class="LineNr">142 </span>  Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>push_front<span class="Delimiter">(</span>call<span class="Delimiter">(</span>Recipe_ordinal[current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name]<span class="Delimiter">));</span>
+<span id="L143" class="LineNr">143 </span>  <span class="Comment">// drop the mark</span>
+<span id="L144" class="LineNr">144 </span>  caller_instruction<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>caller_instruction<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">());</span>
+<span id="L145" class="LineNr">145 </span>  ingredients<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">());</span>
+<span id="L146" class="LineNr">146 </span>  <span class="Comment">// drop the callee</span>
+<span id="L147" class="LineNr">147 </span>  caller_instruction<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>caller_instruction<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">());</span>
+<span id="L148" class="LineNr">148 </span>  ingredients<span class="Delimiter">.</span>erase<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">());</span>
+<span id="L149" class="LineNr">149 </span>  finish_call_housekeeping<span class="Delimiter">(</span>caller_instruction<span class="Delimiter">,</span> ingredients<span class="Delimiter">);</span>
+<span id="L150" class="LineNr">150 </span>  <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L151" class="LineNr">151 </span><span class="Delimiter">}</span>
+<span id="L152" class="LineNr">152 </span>
+<span id="L153" class="LineNr">153 </span><span class="Delimiter">:(scenario next_ingredient_inside_continuation)</span>
+<span id="L154" class="LineNr">154 </span><span class="muRecipe"><a href='010vm.cc.html#L19'>recipe</a></span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L155" class="LineNr">155 </span>  call-with-continuation-mark <span class="Constant">233</span>/mark<span class="Delimiter">,</span> f<span class="Delimiter">,</span> <span class="Constant">1</span>/<span class="Constant">true</span>
+<span id="L156" class="LineNr">156 </span>]
+<span id="L157" class="LineNr">157 </span><span class="muRecipe"><a href='010vm.cc.html#L19'>recipe</a></span> f [
+<span id="L158" class="LineNr">158 </span>  <span class="Constant">10</span>:<span class="Normal">bool</span><span class="Special"> &lt;- </span>next-input
+<span id="L159" class="LineNr">159 </span>]
+<span id="L160" class="LineNr">160 </span><span class="traceContains">+mem: storing 1 in location 10</span>
+<span id="L161" class="LineNr">161 </span>
+<span id="L162" class="LineNr">162 </span><span class="Comment">//: save the slice of current call stack until the 'call-with-continuation-mark'</span>
+<span id="L163" class="LineNr">163 </span><span class="Comment">//: call, and return it as the result.</span>
+<span id="L164" class="LineNr">164 </span><span class="Comment">//: todo: implement delimited continuations in Mu's memory</span>
+<span id="L165" class="LineNr">165 </span><span class="Delimiter">:(before &quot;End Types&quot;)</span>
+<span id="L166" class="LineNr">166 </span><span class="Normal">struct</span> delimited_continuation <span class="Delimiter">{</span>
+<span id="L167" class="LineNr">167 </span>  call_stack frames<span class="Delimiter">;</span>
+<span id="L168" class="LineNr">168 </span>  <span class="Normal">int</span> nrefs<span class="Delimiter">;</span>
+<span id="L169" class="LineNr">169 </span>  delimited_continuation<span class="Delimiter">(</span>call_stack::iterator begin<span class="Delimiter">,</span> call_stack::iterator <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">)</span> :frames<span class="Delimiter">(</span>call_stack<span class="Delimiter">(</span>begin<span class="Delimiter">,</span> <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">)),</span> nrefs<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{}</span>
+<span id="L170" class="LineNr">170 </span><span class="Delimiter">};</span>
+<span id="L171" class="LineNr">171 </span><span class="Delimiter">:(before &quot;End Globals&quot;)</span>
+<span id="L172" class="LineNr">172 </span>map&lt;<span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span><span class="Delimiter">,</span> delimited_continuation&gt; Delimited_continuation<span class="Delimiter">;</span>
+<span id="L173" class="LineNr">173 </span><span class="Normal">long</span> <span class="Normal">long</span> <span class="Normal">int</span> Next_delimited_continuation_id = <span class="Constant">1</span><span class="Delimiter">;</span>  <span class="Comment">// 0 is null just like an address</span>
+<span id="L174" class="LineNr">174 </span><span class="Delimiter">:(before &quot;End Reset&quot;)</span>
+<span id="L175" class="LineNr">175 </span>Delimited_continuation<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L176" class="LineNr">176 </span>Next_delimited_continuation_id = <span class="Constant">1</span><span class="Delimiter">;</span>
+<span id="L177" class="LineNr">177 </span>
+<span id="L178" class="LineNr">178 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
+<span id="L179" class="LineNr">179 </span>RETURN_CONTINUATION_UNTIL_MARK<span class="Delimiter">,</span>
+<span id="L180" class="LineNr">180 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
+<span id="L181" class="LineNr">181 </span>Recipe_ordinal[<span class="Constant">&quot;return-continuation-until-mark&quot;</span>] = RETURN_CONTINUATION_UNTIL_MARK<span class="Delimiter">;</span>
+<span id="L182" class="LineNr">182 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
+<span id="L183" class="LineNr">183 </span><span class="Normal">case</span> RETURN_CONTINUATION_UNTIL_MARK: <span class="Delimiter">{</span>
+<span id="L184" class="LineNr">184 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L185" class="LineNr">185 </span><span class="Delimiter">}</span>
+<span id="L186" class="LineNr">186 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
+<span id="L187" class="LineNr">187 </span><span class="Normal">case</span> RETURN_CONTINUATION_UNTIL_MARK: <span class="Delimiter">{</span>
+<span id="L188" class="LineNr">188 </span>  <span class="Comment">// I don't know how to think about next-ingredient in combination with</span>
+<span id="L189" class="LineNr">189 </span>  <span class="Comment">// continuations, so seems cleaner to just kill it. Functions have to read</span>
+<span id="L190" class="LineNr">190 </span>  <span class="Comment">// their inputs before ever returning a continuation.</span>
+<span id="L191" class="LineNr">191 </span>  Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>ingredient_atoms<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
+<span id="L192" class="LineNr">192 </span>  Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>next_ingredient_to_process = <span class="Constant">0</span><span class="Delimiter">;</span>
+<span id="L193" class="LineNr">193 </span>  <span class="Comment">// copy the current call stack until the most recent marked call</span>
+<span id="L194" class="LineNr">194 </span>  call_stack::iterator find_base_of_continuation<span class="Delimiter">(</span>call_stack&amp;<span class="Delimiter">,</span> <span class="Normal">int</span><span class="Delimiter">);</span>  <span class="Comment">// manual prototype containing '::'</span>
+<span id="L195" class="LineNr">195 </span>  call_stack::iterator base = find_base_of_continuation<span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">mark tag</span><span class="Comment">*/</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>value<span class="Delimiter">);</span>
+<span id="L196" class="LineNr">196 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>base == Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">())</span> <span class="Delimiter">{</span>
+<span id="L197" class="LineNr">197 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;couldn't find a 'call-with-continuation-mark' to return to</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L198" class="LineNr">198 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;call stack:</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L199" class="LineNr">199 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span>call_stack::iterator p = Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span>
+<span id="L200" class="LineNr">200 </span>      <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;  &quot;</span> &lt;&lt; get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> p<span class="Delimiter">-&gt;</span>running_recipe<span class="Delimiter">).</span>name &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L201" class="LineNr">201 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span id="L202" class="LineNr">202 </span>  <span class="Delimiter">}</span>
+<span id="L203" class="LineNr">203 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;creating continuation &quot;</span> &lt;&lt; Next_delimited_continuation_id &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L204" class="LineNr">204 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>Delimited_continuation<span class="Delimiter">,</span> Next_delimited_continuation_id<span class="Delimiter">,</span> delimited_continuation<span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> base<span class="Delimiter">));</span>
+<span id="L205" class="LineNr">205 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>begin<span class="Delimiter">()</span> != base<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L206" class="LineNr">206 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L207" class="LineNr">207 </span>      --Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth<span class="Delimiter">;</span>
+<span id="L208" class="LineNr">208 </span>      assert<span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &gt;= <span class="Constant">0</span><span class="Delimiter">);</span>
+<span id="L209" class="LineNr">209 </span>    <span class="Delimiter">}</span>
+<span id="L210" class="LineNr">210 </span>    Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>pop_front<span class="Delimiter">();</span>
+<span id="L211" class="LineNr">211 </span>  <span class="Delimiter">}</span>
+<span id="L212" class="LineNr">212 </span>  <span class="Comment">// return it as the result of the marked call</span>
+<span id="L213" class="LineNr">213 </span>  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L214" class="LineNr">214 </span>  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>Next_delimited_continuation_id<span class="Delimiter">);</span>
+<span id="L215" class="LineNr">215 </span>  <span class="Comment">// return any other ingredients passed in</span>
+<span id="L216" class="LineNr">216 </span>  copy<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">skip mark tag</span><span class="Comment">*/</span>++ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> ingredients<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">(),</span> inserter<span class="Delimiter">(</span>products<span class="Delimiter">,</span> products<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">()));</span>
+<span id="L217" class="LineNr">217 </span>  ++Next_delimited_continuation_id<span class="Delimiter">;</span>
+<span id="L218" class="LineNr">218 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// continue to process rest of marked call</span>
+<span id="L219" class="LineNr">219 </span><span class="Delimiter">}</span>
+<span id="L220" class="LineNr">220 </span>
+<span id="L221" class="LineNr">221 </span><span class="Delimiter">:(code)</span>
+<span id="L222" class="LineNr">222 </span>call_stack::iterator find_base_of_continuation<span class="Delimiter">(</span>call_stack&amp; c<span class="Delimiter">,</span> <span class="Normal">int</span> mark_tag<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L223" class="LineNr">223 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>call_stack::iterator p = c<span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != c<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span> ++p<span class="Delimiter">)</span>
+<span id="L224" class="LineNr">224 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">-&gt;</span>continuation_mark_tag == mark_tag<span class="Delimiter">)</span> <span class="Identifier">return</span> p<span class="Delimiter">;</span>
+<span id="L225" class="LineNr">225 </span>  <span class="Identifier">return</span> c<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
 <span id="L226" class="LineNr">226 </span><span class="Delimiter">}</span>
 <span id="L227" class="LineNr">227 </span>
-<span id="L228" class="LineNr">228 </span><span class="Delimiter">:(scenario continuations_can_return_values)</span>
-<span id="L229" class="LineNr">229 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L230" class="LineNr">230 </span>  local-scope
-<span id="L231" class="LineNr">231 </span>  <span class="Normal">k</span>:continuation<span class="Delimiter">,</span> <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>call-with-continuation-mark <span class="Constant">233</span>/mark<span class="Delimiter">,</span> f
-<span id="L232" class="LineNr">232 </span>]
-<span id="L233" class="LineNr">233 </span><span class="muRecipe">def</span> f [
-<span id="L234" class="LineNr">234 </span>  local-scope
-<span id="L235" class="LineNr">235 </span>  g
-<span id="L236" class="LineNr">236 </span>]
-<span id="L237" class="LineNr">237 </span><span class="muRecipe">def</span> g [
-<span id="L238" class="LineNr">238 </span>  local-scope
-<span id="L239" class="LineNr">239 </span>  <span class="Identifier">return</span>-continuation-until-mark <span class="Constant">233</span>/mark<span class="Delimiter">,</span> <span class="Constant">34</span>
-<span id="L240" class="LineNr">240 </span>  stash [continuation called]
-<span id="L241" class="LineNr">241 </span>]
-<span id="L242" class="LineNr">242 </span><span class="traceContains">+mem: storing 34 in location 1</span>
-<span id="L243" class="LineNr">243 </span>
-<span id="L244" class="LineNr">244 </span><span class="Delimiter">:(scenario continuations_continue_to_matching_mark)</span>
-<span id="L245" class="LineNr">245 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L246" class="LineNr">246 </span>  local-scope
-<span id="L247" class="LineNr">247 </span>  <span class="Normal">k</span>:continuation<span class="Delimiter">,</span> <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>call-with-continuation-mark <span class="Constant">233</span>/mark<span class="Delimiter">,</span> f
-<span id="L248" class="LineNr">248 </span>  add <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">1</span>
-<span id="L249" class="LineNr">249 </span>]
-<span id="L250" class="LineNr">250 </span><span class="muRecipe">def</span> f [
+<span id="L228" class="LineNr">228 </span><span class="Comment">//: overload 'call' for continuations</span>
+<span id="L229" class="LineNr">229 </span><span class="Delimiter">:(after &quot;Begin Call&quot;)</span>
+<span id="L230" class="LineNr">230 </span><span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_continuation<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+<span id="L231" class="LineNr">231 </span>  <span class="Comment">// copy multiple calls on to current call stack</span>
+<span id="L232" class="LineNr">232 </span>  assert<span class="Delimiter">(</span>scalar<span class="Delimiter">(</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)));</span>
+<span id="L233" class="LineNr">233 </span>  <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;calling continuation &quot;</span> &lt;&lt; ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L234" class="LineNr">234 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Delimited_continuation<span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span>
+<span id="L235" class="LineNr">235 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span><a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">())</span> &lt;&lt; <span class="Constant">&quot;no such delimited continuation &quot;</span> &lt;&lt; <a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L236" class="LineNr">236 </span>  <span class="Normal">const</span> call_stack&amp; new_frames = get<span class="Delimiter">(</span>Delimited_continuation<span class="Delimiter">,</span> ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)).</span>frames<span class="Delimiter">;</span>
+<span id="L237" class="LineNr">237 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>call_stack::const_reverse_iterator p = new_frames<span class="Delimiter">.</span>rbegin<span class="Delimiter">();</span> p != new_frames<span class="Delimiter">.</span>rend<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span>
+<span id="L238" class="LineNr">238 </span>    Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>push_front<span class="Delimiter">(</span>*p<span class="Delimiter">);</span>
+<span id="L239" class="LineNr">239 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>Trace_stream<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L240" class="LineNr">240 </span>    Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth += <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_frames<span class="Delimiter">);</span>
+<span id="L241" class="LineNr">241 </span>    <a href='003trace.cc.html#L167'>trace</a><span class="Delimiter">(</span><span class="Constant">&quot;trace&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;calling delimited continuation; growing callstack depth to &quot;</span> &lt;&lt; Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L242" class="LineNr">242 </span>    assert<span class="Delimiter">(</span>Trace_stream<span class="Delimiter">-&gt;</span>callstack_depth &lt; <span class="Constant">9000</span><span class="Delimiter">);</span>  <span class="Comment">// 9998-101 plus cushion</span>
+<span id="L243" class="LineNr">243 </span>  <span class="Delimiter">}</span>
+<span id="L244" class="LineNr">244 </span>  <span class="Comment">// no call housekeeping; continuations don't support next-ingredient</span>
+<span id="L245" class="LineNr">245 </span>  copy<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">drop continuation</span><span class="Comment">*/</span>++ingredients<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> ingredients<span class="Delimiter">.</span><a href='003trace.cc.html#L203'>end</a><span class="Delimiter">(),</span> inserter<span class="Delimiter">(</span>products<span class="Delimiter">,</span> products<span class="Delimiter">.</span>begin<span class="Delimiter">()));</span>
+<span id="L246" class="LineNr">246 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>  <span class="Comment">// record results of resuming 'return-continuation-until-mark' instruction</span>
+<span id="L247" class="LineNr">247 </span><span class="Delimiter">}</span>
+<span id="L248" class="LineNr">248 </span>
+<span id="L249" class="LineNr">249 </span><span class="Delimiter">:(scenario continuations_can_return_values)</span>
+<span id="L250" class="LineNr">250 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
 <span id="L251" class="LineNr">251 </span>  local-scope
-<span id="L252" class="LineNr">252 </span>  <span class="Normal">k2</span>:continuation<span class="Special"> &lt;- </span>call-with-continuation-mark <span class="Constant">234</span>/mark<span class="Delimiter">,</span> g
-<span id="L253" class="LineNr">253 </span>  add <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">2</span>
-<span id="L254" class="LineNr">254 </span>]
-<span id="L255" class="LineNr">255 </span><span class="muRecipe">def</span> g [
-<span id="L256" class="LineNr">256 </span>  local-scope
-<span id="L257" class="LineNr">257 </span>  <span class="Identifier">return</span>-continuation-until-mark <span class="Constant">233</span>/mark<span class="Delimiter">,</span> <span class="Constant">34</span>
-<span id="L258" class="LineNr">258 </span>  stash [continuation called]
-<span id="L259" class="LineNr">259 </span>]
-<span id="L260" class="LineNr">260 </span><span class="traceContains">+run: add {1: &quot;literal&quot;}, {1: &quot;literal&quot;}</span>
-<span id="L261" class="LineNr">261 </span><span class="traceAbsent">-run: add {2: &quot;literal&quot;}, {2: &quot;literal&quot;}</span>
-<span id="L262" class="LineNr">262 </span>
-<span id="L263" class="LineNr">263 </span><span class="Comment">//: Allow shape-shifting recipes to return continuations.</span>
+<span id="L252" class="LineNr">252 </span>  <span class="Normal">k</span>:continuation<span class="Delimiter">,</span> <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>call-with-continuation-mark <span class="Constant">233</span>/mark<span class="Delimiter">,</span> f
+<span id="L253" class="LineNr">253 </span>]
+<span id="L254" class="LineNr">254 </span><span class="muRecipe">def</span> f [
+<span id="L255" class="LineNr">255 </span>  local-scope
+<span id="L256" class="LineNr">256 </span>  g
+<span id="L257" class="LineNr">257 </span>]
+<span id="L258" class="LineNr">258 </span><span class="muRecipe">def</span> g [
+<span id="L259" class="LineNr">259 </span>  local-scope
+<span id="L260" class="LineNr">260 </span>  <span class="Identifier">return</span>-continuation-until-mark <span class="Constant">233</span>/mark<span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L261" class="LineNr">261 </span>  stash [continuation called]
+<span id="L262" class="LineNr">262 </span>]
+<span id="L263" class="LineNr">263 </span><span class="traceContains">+mem: storing 34 in location 1</span>
 <span id="L264" class="LineNr">264 </span>
-<span id="L265" class="LineNr">265 </span><span class="Delimiter">:(scenario call_shape_shifting_recipe_with_continuation_mark)</span>
+<span id="L265" class="LineNr">265 </span><span class="Delimiter">:(scenario continuations_continue_to_matching_mark)</span>
 <span id="L266" class="LineNr">266 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L267" class="LineNr">267 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>call-with-continuation-mark <span class="Constant">233</span>/mark<span class="Delimiter">,</span> f<span class="Delimiter">,</span> <span class="Constant">34</span>
-<span id="L268" class="LineNr">268 </span>]
-<span id="L269" class="LineNr">269 </span><span class="muRecipe">def</span> f x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
-<span id="L270" class="LineNr">270 </span>  local-scope
-<span id="L271" class="LineNr">271 </span>  load-ingredients
-<span id="L272" class="LineNr">272 </span>  y<span class="Special"> &lt;- </span>copy x
-<span id="L273" class="LineNr">273 </span>]
-<span id="L274" class="LineNr">274 </span><span class="traceContains">+mem: storing 34 in location 1</span>
-<span id="L275" class="LineNr">275 </span>
-<span id="L276" class="LineNr">276 </span><span class="Delimiter">:(before &quot;End resolve_ambiguous_call(r, index, inst, caller_recipe) Special-cases&quot;)</span>
-<span id="L277" class="LineNr">277 </span><span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;call-with-continuation-mark&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L278" class="LineNr">278 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span> &amp;&amp; <a href='072recipe.cc.html#L210'>is_recipe_literal</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">skip mark</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
-<span id="L279" class="LineNr">279 </span>  resolve_indirect_continuation_call<span class="Delimiter">(</span>r<span class="Delimiter">,</span> index<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
-<span id="L280" class="LineNr">280 </span>  <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L281" class="LineNr">281 </span>  <span class="Delimiter">}</span>
-<span id="L282" class="LineNr">282 </span><span class="Delimiter">}</span>
-<span id="L283" class="LineNr">283 </span><span class="Delimiter">:(code)</span>
-<span id="L284" class="LineNr">284 </span><span class="Normal">void</span> resolve_indirect_continuation_call<span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">,</span> <span class="Normal">int</span> index<span class="Delimiter">,</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L285" class="LineNr">285 </span>  <a href='010vm.cc.html#L32'>instruction</a> inst2<span class="Delimiter">;</span>
-<span id="L286" class="LineNr">286 </span>  inst2<span class="Delimiter">.</span>name = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">skip mark</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">).</span>name<span class="Delimiter">;</span>
-<span id="L287" class="LineNr">287 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip mark and <a href='010vm.cc.html#L19'>recipe</a></span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L288" class="LineNr">288 </span>    inst2<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
-<span id="L289" class="LineNr">289 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip continuation</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L290" class="LineNr">290 </span>    inst2<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
-<span id="L291" class="LineNr">291 </span>  <a href='054static_dispatch.cc.html#L173'>resolve_ambiguous_call</a><span class="Delimiter">(</span>r<span class="Delimiter">,</span> index<span class="Delimiter">,</span> inst2<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
-<span id="L292" class="LineNr">292 </span>  inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">skip mark</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">).</span>name = inst2<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
-<span id="L293" class="LineNr">293 </span>  inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">skip mark</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">).</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> inst2<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
-<span id="L294" class="LineNr">294 </span><span class="Delimiter">}</span>
-<span id="L295" class="LineNr">295 </span>
-<span id="L296" class="LineNr">296 </span><span class="Delimiter">:(scenario call_shape_shifting_recipe_with_continuation_mark_and_no_outputs)</span>
-<span id="L297" class="LineNr">297 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L298" class="LineNr">298 </span>  <span class="Constant">1</span>:continuation<span class="Special"> &lt;- </span>call-with-continuation-mark <span class="Constant">233</span>/mark<span class="Delimiter">,</span> f<span class="Delimiter">,</span> <span class="Constant">34</span>
-<span id="L299" class="LineNr">299 </span>]
-<span id="L300" class="LineNr">300 </span><span class="muRecipe">def</span> f x:_elem [
-<span id="L301" class="LineNr">301 </span>  local-scope
-<span id="L302" class="LineNr">302 </span>  load-ingredients
-<span id="L303" class="LineNr">303 </span>  <span class="Identifier">return</span>-continuation-until-mark <span class="Constant">233</span>/mark
-<span id="L304" class="LineNr">304 </span>]
-<span id="L305" class="LineNr">305 </span>$error: <span class="Constant">0</span>
-<span id="L306" class="LineNr">306 </span>
-<span id="L307" class="LineNr">307 </span><span class="Delimiter">:(scenario continuation1)</span>
-<span id="L308" class="LineNr">308 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
-<span id="L309" class="LineNr">309 </span>  local-scope
-<span id="L310" class="LineNr">310 </span>  <span class="Normal">k</span>:continuation<span class="Special"> &lt;- </span>call-with-continuation-mark <span class="Constant">233</span>/mark<span class="Delimiter">,</span> create-yielder
-<span id="L311" class="LineNr">311 </span>  <span class="Constant">10</span>:num/<span class="Special">raw &lt;- </span>call k
-<span id="L312" class="LineNr">312 </span>]
-<span id="L313" class="LineNr">313 </span><span class="muRecipe">def</span> create-yielder<span class="muRecipe"> -&gt; </span>n:num [
-<span id="L314" class="LineNr">314 </span>  local-scope
-<span id="L315" class="LineNr">315 </span>  load-inputs
-<span id="L316" class="LineNr">316 </span>  <span class="Identifier">return</span>-continuation-until-mark <span class="Constant">233</span>/mark
-<span id="L317" class="LineNr">317 </span>  <span class="Identifier">return</span> <span class="Constant">1</span>
-<span id="L318" class="LineNr">318 </span>]
-<span id="L319" class="LineNr">319 </span><span class="traceContains">+mem: storing 1 in location 10</span>
-<span id="L320" class="LineNr">320 </span>$error: <span class="Constant">0</span>
-<span id="L321" class="LineNr">321 </span>
-<span id="L322" class="LineNr">322 </span><span class="Delimiter">:(code)</span>
-<span id="L323" class="LineNr">323 </span><span class="Normal">bool</span> is_mu_continuation<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L324" class="LineNr">324 </span>  canonize_type<span class="Delimiter">(</span>x<span class="Delimiter">);</span>
-<span id="L325" class="LineNr">325 </span>  <span class="Identifier">return</span> x<span class="Delimiter">.</span>type &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;continuation&quot;</span><span class="Delimiter">);</span>
-<span id="L326" class="LineNr">326 </span><span class="Delimiter">}</span>
+<span id="L267" class="LineNr">267 </span>  local-scope
+<span id="L268" class="LineNr">268 </span>  <span class="Normal">k</span>:continuation<span class="Delimiter">,</span> <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>call-with-continuation-mark <span class="Constant">233</span>/mark<span class="Delimiter">,</span> f
+<span id="L269" class="LineNr">269 </span>  add <span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">1</span>
+<span id="L270" class="LineNr">270 </span>]
+<span id="L271" class="LineNr">271 </span><span class="muRecipe">def</span> f [
+<span id="L272" class="LineNr">272 </span>  local-scope
+<span id="L273" class="LineNr">273 </span>  <span class="Normal">k2</span>:continuation<span class="Special"> &lt;- </span>call-with-continuation-mark <span class="Constant">234</span>/mark<span class="Delimiter">,</span> g
+<span id="L274" class="LineNr">274 </span>  add <span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">2</span>
+<span id="L275" class="LineNr">275 </span>]
+<span id="L276" class="LineNr">276 </span><span class="muRecipe">def</span> g [
+<span id="L277" class="LineNr">277 </span>  local-scope
+<span id="L278" class="LineNr">278 </span>  <span class="Identifier">return</span>-continuation-until-mark <span class="Constant">233</span>/mark<span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L279" class="LineNr">279 </span>  stash [continuation called]
+<span id="L280" class="LineNr">280 </span>]
+<span id="L281" class="LineNr">281 </span><span class="traceContains">+run: add {1: &quot;literal&quot;}, {1: &quot;literal&quot;}</span>
+<span id="L282" class="LineNr">282 </span><span class="traceAbsent">-run: add {2: &quot;literal&quot;}, {2: &quot;literal&quot;}</span>
+<span id="L283" class="LineNr">283 </span>
+<span id="L284" class="LineNr">284 </span><span class="Comment">//: Allow shape-shifting recipes to return continuations.</span>
+<span id="L285" class="LineNr">285 </span>
+<span id="L286" class="LineNr">286 </span><span class="Delimiter">:(scenario call_shape_shifting_recipe_with_continuation_mark)</span>
+<span id="L287" class="LineNr">287 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L288" class="LineNr">288 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>call-with-continuation-mark <span class="Constant">233</span>/mark<span class="Delimiter">,</span> f<span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L289" class="LineNr">289 </span>]
+<span id="L290" class="LineNr">290 </span><span class="muRecipe">def</span> f x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
+<span id="L291" class="LineNr">291 </span>  local-scope
+<span id="L292" class="LineNr">292 </span>  load-ingredients
+<span id="L293" class="LineNr">293 </span>  y<span class="Special"> &lt;- </span>copy x
+<span id="L294" class="LineNr">294 </span>]
+<span id="L295" class="LineNr">295 </span><span class="traceContains">+mem: storing 34 in location 1</span>
+<span id="L296" class="LineNr">296 </span>
+<span id="L297" class="LineNr">297 </span><span class="Delimiter">:(before &quot;End resolve_ambiguous_call(r, index, inst, caller_recipe) Special-cases&quot;)</span>
+<span id="L298" class="LineNr">298 </span><span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;call-with-continuation-mark&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L299" class="LineNr">299 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> &gt; <span class="Constant">1</span> &amp;&amp; <a href='072recipe.cc.html#L208'>is_recipe_literal</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">skip mark</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+<span id="L300" class="LineNr">300 </span>  resolve_indirect_continuation_call<span class="Delimiter">(</span>r<span class="Delimiter">,</span> index<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
+<span id="L301" class="LineNr">301 </span>  <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L302" class="LineNr">302 </span>  <span class="Delimiter">}</span>
+<span id="L303" class="LineNr">303 </span><span class="Delimiter">}</span>
+<span id="L304" class="LineNr">304 </span><span class="Delimiter">:(code)</span>
+<span id="L305" class="LineNr">305 </span><span class="Normal">void</span> resolve_indirect_continuation_call<span class="Delimiter">(</span><span class="Normal">const</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">,</span> <span class="Normal">int</span> index<span class="Delimiter">,</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L306" class="LineNr">306 </span>  <a href='010vm.cc.html#L32'>instruction</a> inst2<span class="Delimiter">;</span>
+<span id="L307" class="LineNr">307 </span>  inst2<span class="Delimiter">.</span>name = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">skip mark</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">).</span>name<span class="Delimiter">;</span>
+<span id="L308" class="LineNr">308 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip mark and <a href='010vm.cc.html#L19'>recipe</a></span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L309" class="LineNr">309 </span>    inst2<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
+<span id="L310" class="LineNr">310 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip continuation</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
+<span id="L311" class="LineNr">311 </span>    inst2<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
+<span id="L312" class="LineNr">312 </span>  <a href='054static_dispatch.cc.html#L173'>resolve_ambiguous_call</a><span class="Delimiter">(</span>r<span class="Delimiter">,</span> index<span class="Delimiter">,</span> inst2<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
+<span id="L313" class="LineNr">313 </span>  inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">skip mark</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">).</span>name = inst2<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
+<span id="L314" class="LineNr">314 </span>  inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">skip mark</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">).</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> inst2<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
+<span id="L315" class="LineNr">315 </span><span class="Delimiter">}</span>
+<span id="L316" class="LineNr">316 </span>
+<span id="L317" class="LineNr">317 </span><span class="Delimiter">:(scenario call_shape_shifting_recipe_with_continuation_mark_and_no_outputs)</span>
+<span id="L318" class="LineNr">318 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L319" class="LineNr">319 </span>  <span class="Constant">1</span>:continuation<span class="Special"> &lt;- </span>call-with-continuation-mark <span class="Constant">233</span>/mark<span class="Delimiter">,</span> f<span class="Delimiter">,</span> <span class="Constant">34</span>
+<span id="L320" class="LineNr">320 </span>]
+<span id="L321" class="LineNr">321 </span><span class="muRecipe">def</span> f x:_elem [
+<span id="L322" class="LineNr">322 </span>  local-scope
+<span id="L323" class="LineNr">323 </span>  load-ingredients
+<span id="L324" class="LineNr">324 </span>  <span class="Identifier">return</span>-continuation-until-mark <span class="Constant">233</span>/mark
+<span id="L325" class="LineNr">325 </span>]
+<span id="L326" class="LineNr">326 </span>$error: <span class="Constant">0</span>
 <span id="L327" class="LineNr">327 </span>
-<span id="L328" class="LineNr">328 </span><span class="Comment">// helper for debugging</span>
-<span id="L329" class="LineNr">329 </span><span class="Normal">void</span> <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span><span class="Normal">const</span> <span class="Normal">int</span> continuation_id<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L330" class="LineNr">330 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Delimited_continuation<span class="Delimiter">,</span> continuation_id<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L331" class="LineNr">331 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;missing delimited continuation: &quot;</span> &lt;&lt; continuation_id &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
-<span id="L332" class="LineNr">332 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L333" class="LineNr">333 </span>  <span class="Delimiter">}</span>
-<span id="L334" class="LineNr">334 </span>  delimited_continuation&amp; curr = get<span class="Delimiter">(</span>Delimited_continuation<span class="Delimiter">,</span> continuation_id<span class="Delimiter">);</span>
-<span id="L335" class="LineNr">335 </span>  <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>frames<span class="Delimiter">);</span>
-<span id="L336" class="LineNr">336 </span><span class="Delimiter">}</span>
+<span id="L328" class="LineNr">328 </span><span class="Delimiter">:(scenario continuation1)</span>
+<span id="L329" class="LineNr">329 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
+<span id="L330" class="LineNr">330 </span>  local-scope
+<span id="L331" class="LineNr">331 </span>  <span class="Normal">k</span>:continuation<span class="Special"> &lt;- </span>call-with-continuation-mark <span class="Constant">233</span>/mark<span class="Delimiter">,</span> create-yielder
+<span id="L332" class="LineNr">332 </span>  <span class="Constant">10</span>:num/<span class="Special">raw &lt;- </span>call k
+<span id="L333" class="LineNr">333 </span>]
+<span id="L334" class="LineNr">334 </span><span class="muRecipe">def</span> create-yielder<span class="muRecipe"> -&gt; </span>n:num [
+<span id="L335" class="LineNr">335 </span>  local-scope
+<span id="L336" class="LineNr">336 </span>  load-inputs
+<span id="L337" class="LineNr">337 </span>  <span class="Identifier">return</span>-continuation-until-mark <span class="Constant">233</span>/mark
+<span id="L338" class="LineNr">338 </span>  <span class="Identifier">return</span> <span class="Constant">1</span>
+<span id="L339" class="LineNr">339 </span>]
+<span id="L340" class="LineNr">340 </span><span class="traceContains">+mem: storing 1 in location 10</span>
+<span id="L341" class="LineNr">341 </span>$error: <span class="Constant">0</span>
+<span id="L342" class="LineNr">342 </span>
+<span id="L343" class="LineNr">343 </span><span class="Delimiter">:(code)</span>
+<span id="L344" class="LineNr">344 </span><span class="Normal">bool</span> is_mu_continuation<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L345" class="LineNr">345 </span>  canonize_type<span class="Delimiter">(</span>x<span class="Delimiter">);</span>
+<span id="L346" class="LineNr">346 </span>  <span class="Identifier">return</span> x<span class="Delimiter">.</span>type &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>atom &amp;&amp; x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value == get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;continuation&quot;</span><span class="Delimiter">);</span>
+<span id="L347" class="LineNr">347 </span><span class="Delimiter">}</span>
+<span id="L348" class="LineNr">348 </span>
+<span id="L349" class="LineNr">349 </span><span class="Comment">// helper for debugging</span>
+<span id="L350" class="LineNr">350 </span><span class="Normal">void</span> <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span><span class="Normal">const</span> <span class="Normal">int</span> continuation_id<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L351" class="LineNr">351 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Delimited_continuation<span class="Delimiter">,</span> continuation_id<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L352" class="LineNr">352 </span>    <a href='003trace.cc.html#L174'>raise</a> &lt;&lt; <span class="Constant">&quot;missing delimited continuation: &quot;</span> &lt;&lt; continuation_id &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L203'>end</a><span class="Delimiter">();</span>
+<span id="L353" class="LineNr">353 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L354" class="LineNr">354 </span>  <span class="Delimiter">}</span>
+<span id="L355" class="LineNr">355 </span>  delimited_continuation&amp; curr = get<span class="Delimiter">(</span>Delimited_continuation<span class="Delimiter">,</span> continuation_id<span class="Delimiter">);</span>
+<span id="L356" class="LineNr">356 </span>  <a href='003trace.cc.html#L120'>dump</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>frames<span class="Delimiter">);</span>
+<span id="L357" class="LineNr">357 </span><span class="Delimiter">}</span>
 </pre>
 </body>
 </html>
diff --git a/html/082scenario_screen.cc.html b/html/082scenario_screen.cc.html
index 82e0740b..a0f0b515 100644
--- a/html/082scenario_screen.cc.html
+++ b/html/082scenario_screen.cc.html
@@ -233,7 +233,7 @@ if ('onhashchange' in window) {
 <span id="L169" class="LineNr">169 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
 <span id="L170" class="LineNr">170 </span>    assert<span class="Delimiter">(</span>curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
 <span id="L171" class="LineNr">171 </span>    curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>reagent<span class="Delimiter">(</span><span class="Constant">&quot;screen:&amp;:screen/raw&quot;</span><span class="Delimiter">));</span>
-<span id="L172" class="LineNr">172 </span>    curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span><a href='010vm.cc.html#L65'>set_value</a><span class="Delimiter">(</span>SCREEN<span class="Delimiter">);</span>
+<span id="L172" class="LineNr">172 </span>    curr<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span><a href='010vm.cc.html#L66'>set_value</a><span class="Delimiter">(</span>SCREEN<span class="Delimiter">);</span>
 <span id="L173" class="LineNr">173 </span>  <span class="Delimiter">}</span>
 <span id="L174" class="LineNr">174 </span><span class="Delimiter">}</span>
 <span id="L175" class="LineNr">175 </span>
diff --git a/html/999spaces.cc.html b/html/999spaces.cc.html
index cd8495f0..d1b38c3d 100644
--- a/html/999spaces.cc.html
+++ b/html/999spaces.cc.html
@@ -75,7 +75,7 @@ if ('onhashchange' in window) {
 <span id="L18" class="LineNr">18 </span><span class="Comment">//:</span>
 <span id="L19" class="LineNr">19 </span><span class="Comment">//: 0 - unused (IDLE; do nothing)</span>
 <span id="L20" class="LineNr">20 </span><span class="Comment">//: 1-199 - primitives</span>
-<span id="L21" class="LineNr">21 </span>assert<span class="Delimiter">(</span><a href='010vm.cc.html#L191'>MAX_PRIMITIVE_RECIPES</a> &lt; <span class="Constant">200</span><span class="Delimiter">);</span>
+<span id="L21" class="LineNr">21 </span>assert<span class="Delimiter">(</span><a href='010vm.cc.html#L192'>MAX_PRIMITIVE_RECIPES</a> &lt; <span class="Constant">200</span><span class="Delimiter">);</span>
 <span id="L22" class="LineNr">22 </span><span class="Comment">//: 200-999 - defined in .mu files as sequences of primitives</span>
 <span id="L23" class="LineNr">23 </span>assert<span class="Delimiter">(</span>Next_recipe_ordinal == <span class="Constant">1000</span><span class="Delimiter">);</span>
 <span id="L24" class="LineNr">24 </span><span class="Comment">//: 1000 onwards - reserved for tests, cleared between tests</span>
diff --git a/html/exception1.mu.html b/html/exception1.mu.html
new file mode 100644
index 00000000..0847b7f1
--- /dev/null
+++ b/html/exception1.mu.html
@@ -0,0 +1,124 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8">
+<title>Mu - exception1.mu</title>
+<meta name="Generator" content="Vim/8.0">
+<meta name="plugin-version" content="vim7.4_v2">
+<meta name="syntax" content="none">
+<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
+<meta name="colorscheme" content="minimal">
+<style type="text/css">
+<!--
+pre { white-space: pre-wrap; font-family: monospace; color: #aaaaaa; background-color: #080808; }
+body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color: #080808; }
+a { color:#eeeeee; text-decoration: none; }
+a:hover { text-decoration: underline; }
+* { font-size: 12pt; font-size: 1em; }
+.muControl { color: #c0a020; }
+.muRecipe { color: #ff8700; }
+.LineNr { color: #444444; }
+.Delimiter { color: #800080; }
+.Constant { color: #00a0a0; }
+.Special { color: #c00000; }
+.Comment { color: #9090ff; }
+.Comment a { color:#0000ee; text-decoration:underline; }
+-->
+</style>
+
+<script type='text/javascript'>
+<!--
+
+/* function to open any folds containing a jumped-to line before jumping to it */
+function JumpToLine()
+{
+  var lineNum;
+  lineNum = window.location.hash;
+  lineNum = lineNum.substr(1); /* strip off '#' */
+
+  if (lineNum.indexOf('L') == -1) {
+    lineNum = 'L'+lineNum;
+  }
+  lineElem = document.getElementById(lineNum);
+  /* Always jump to new location even if the line was hidden inside a fold, or
+   * we corrected the raw number to a line ID.
+   */
+  if (lineElem) {
+    lineElem.scrollIntoView(true);
+  }
+  return true;
+}
+if ('onhashchange' in window) {
+  window.onhashchange = JumpToLine;
+}
+
+-->
+</script>
+</head>
+<body onload='JumpToLine();'>
+<pre id='vimCodeElement'>
+<span id="L1" class="LineNr"> 1 </span><span class="Comment"># Example program showing exceptions built out of delimited continuations.</span>
+<span id="L2" class="LineNr"> 2 </span>
+<span id="L3" class="LineNr"> 3 </span><span class="Comment"># Since Mu is statically typed, we can't build an all-purpose higher-order</span>
+<span id="L4" class="LineNr"> 4 </span><span class="Comment"># function called 'try'; it wouldn't know how many arguments the function</span>
+<span id="L5" class="LineNr"> 5 </span><span class="Comment"># passed to it needs to take, what their types are, etc. Instead, until Mu</span>
+<span id="L6" class="LineNr"> 6 </span><span class="Comment"># gets macros we'll directly use the continuation primitives.</span>
+<span id="L7" class="LineNr"> 7 </span>
+<span id="L8" class="LineNr"> 8 </span><span class="muRecipe">def</span> <a href='exception1.mu.html#L8'>main</a> [
+<span id="L9" class="LineNr"> 9 </span>  <span class="Constant">local-scope</span>
+<span id="L10" class="LineNr">10 </span>  <a href='exception1.mu.html#L15'>foo</a> <span class="Constant">0/no-exception</span>
+<span id="L11" class="LineNr">11 </span>  <a href='exception1.mu.html#L15'>foo</a> <span class="Constant">1/raise-exception</span>
+<span id="L12" class="LineNr">12 </span>]
+<span id="L13" class="LineNr">13 </span>
+<span id="L14" class="LineNr">14 </span><span class="Comment"># example showing exception handling</span>
+<span id="L15" class="LineNr">15 </span><span class="muRecipe">def</span> <a href='exception1.mu.html#L15'>foo</a> raise-exception?:bool [
+<span id="L16" class="LineNr">16 </span>  <span class="Constant">local-scope</span>
+<span id="L17" class="LineNr">17 </span>  <span class="Constant">load-inputs</span>
+<span id="L18" class="LineNr">18 </span>  <span class="Comment"># To run an instruction of the form:</span>
+<span id="L19" class="LineNr">19 </span>  <span class="Comment">#   try f ...</span>
+<span id="L20" class="LineNr">20 </span>  <span class="Comment"># write this:</span>
+<span id="L21" class="LineNr">21 </span>  <span class="Comment">#   call-with-continuation-mark 999/exception-tag, f, ...</span>
+<span id="L22" class="LineNr">22 </span>  <span class="Comment"># By convention we reserve tag 999 for exceptions.</span>
+<span id="L23" class="LineNr">23 </span>  <span class="Comment">#</span>
+<span id="L24" class="LineNr">24 </span>  <span class="Comment"># 'f' above may terminate at either a regular 'return' or a 'return-with-continuation-mark'.</span>
+<span id="L25" class="LineNr">25 </span>  <span class="Comment"># We never re-call the continuation returned in the latter case;</span>
+<span id="L26" class="LineNr">26 </span>  <span class="Comment"># its existence merely signals that an exception was raised.</span>
+<span id="L27" class="LineNr">27 </span>  <span class="Comment"># So just treat it as a boolean.</span>
+<span id="L28" class="LineNr">28 </span>  <span class="Comment"># The other inputs and outputs to 'call-with-continuation-mark' depend on</span>
+<span id="L29" class="LineNr">29 </span>  <span class="Comment"># the function it is called with.</span>
+<span id="L30" class="LineNr">30 </span>  exception-raised?:bool, err:text, result:num <span class="Special">&lt;-</span> <span class="muControl">call-with-continuation-mark</span> <span class="Constant">999/exception-tag</span>, <a href='exception1.mu.html#L51'>f</a>, raise-exception?
+<span id="L31" class="LineNr">31 </span>  <span class="Delimiter">{</span>
+<span id="L32" class="LineNr">32 </span>    <span class="muControl">break-if</span> exception-raised?
+<span id="L33" class="LineNr">33 </span>    $print <span class="Constant">[normal exit; result ]</span> result <span class="Constant">10/newline</span>
+<span id="L34" class="LineNr">34 </span>  <span class="Delimiter">}</span>
+<span id="L35" class="LineNr">35 </span>  <span class="Delimiter">{</span>
+<span id="L36" class="LineNr">36 </span>    <span class="muControl">break-unless</span> exception-raised?
+<span id="L37" class="LineNr">37 </span>    $print <span class="Constant">[error caught: ]</span> err <span class="Constant">10/newline</span>
+<span id="L38" class="LineNr">38 </span>  <span class="Delimiter">}</span>
+<span id="L39" class="LineNr">39 </span>]
+<span id="L40" class="LineNr">40 </span>
+<span id="L41" class="LineNr">41 </span><span class="Comment"># A callee function that can raise an exception has some weird constraints at</span>
+<span id="L42" class="LineNr">42 </span><span class="Comment"># the moment.</span>
+<span id="L43" class="LineNr">43 </span><span class="Comment">#</span>
+<span id="L44" class="LineNr">44 </span><span class="Comment"># The caller's 'call-with-continuation-mark' instruction may return with</span>
+<span id="L45" class="LineNr">45 </span><span class="Comment"># either a regular 'return' or a 'return-continuation-until-mark'.</span>
+<span id="L46" class="LineNr">46 </span><span class="Comment"># To handle both cases, regular 'return' instructions in the callee must</span>
+<span id="L47" class="LineNr">47 </span><span class="Comment"># prepend an extra 0 result, in place of the continuation that may have been</span>
+<span id="L48" class="LineNr">48 </span><span class="Comment"># returned.</span>
+<span id="L49" class="LineNr">49 </span><span class="Comment"># This change to number of outputs violates our type system, so the call has</span>
+<span id="L50" class="LineNr">50 </span><span class="Comment"># to be dynamically typed. The callee can't have a header.</span>
+<span id="L51" class="LineNr">51 </span><span class="muRecipe">def</span> <a href='exception1.mu.html#L51'>f</a> [
+<span id="L52" class="LineNr">52 </span>  <span class="Constant">local-scope</span>
+<span id="L53" class="LineNr">53 </span>  raise-exception?:bool <span class="Special">&lt;-</span> <span class="Constant">next-input</span>
+<span id="L54" class="LineNr">54 </span>  <span class="Delimiter">{</span>
+<span id="L55" class="LineNr">55 </span>    <span class="muControl">break-unless</span> raise-exception?
+<span id="L56" class="LineNr">56 </span>    <span class="Comment"># throw/raise: 2 results + implicit continuation (ignoring the continuation tag)</span>
+<span id="L57" class="LineNr">57 </span>    <span class="muControl">return-continuation-until-mark</span> <span class="Constant">999/exception-tag</span>, <span class="Constant">[error will robinson!]</span>, <span class="Constant">0/unused</span>
+<span id="L58" class="LineNr">58 </span>  <span class="Delimiter">}</span>
+<span id="L59" class="LineNr">59 </span>  <span class="Comment"># normal return: 3 results including 0 continuation placeholder at start</span>
+<span id="L60" class="LineNr">60 </span> <span class="muControl"> return</span> <span class="Constant">0/continuation-placeholder</span>, <span class="Constant">0/no-error</span>, <span class="Constant">34/regular-result</span>
+<span id="L61" class="LineNr">61 </span>]
+</pre>
+</body>
+</html>
+<!-- vim: set foldmethod=manual : -->
diff --git a/html/exception2.mu.html b/html/exception2.mu.html
new file mode 100644
index 00000000..520c9927
--- /dev/null
+++ b/html/exception2.mu.html
@@ -0,0 +1,128 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8">
+<title>Mu - exception2.mu</title>
+<meta name="Generator" content="Vim/8.0">
+<meta name="plugin-version" content="vim7.4_v2">
+<meta name="syntax" content="none">
+<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=">
+<meta name="colorscheme" content="minimal">
+<style type="text/css">
+<!--
+pre { white-space: pre-wrap; font-family: monospace; color: #aaaaaa; background-color: #080808; }
+body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color: #080808; }
+a { color:#eeeeee; text-decoration: none; }
+a:hover { text-decoration: underline; }
+* { font-size: 12pt; font-size: 1em; }
+.muControl { color: #c0a020; }
+.muRecipe { color: #ff8700; }
+.LineNr { color: #444444; }
+.Delimiter { color: #800080; }
+.Constant { color: #00a0a0; }
+.Special { color: #c00000; }
+.Comment { color: #9090ff; }
+.Comment a { color:#0000ee; text-decoration:underline; }
+.muData { color: #ffff00; }
+-->
+</style>
+
+<script type='text/javascript'>
+<!--
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+<pre id='vimCodeElement'>
+<span id="L1" class="LineNr"> 1 </span><span class="Comment"># Example program showing exceptions built out of delimited continuations.</span>
+<span id="L2" class="LineNr"> 2 </span><span class="Comment"># Slightly less klunky than exception1.mu.</span>
+<span id="L3" class="LineNr"> 3 </span>
+<span id="L4" class="LineNr"> 4 </span><span class="Comment"># Since Mu is statically typed, we can't build an all-purpose higher-order</span>
+<span id="L5" class="LineNr"> 5 </span><span class="Comment"># function called 'try'; it wouldn't know how many arguments the function</span>
+<span id="L6" class="LineNr"> 6 </span><span class="Comment"># passed to it needs to take, what their types are, etc. Instead, until Mu</span>
+<span id="L7" class="LineNr"> 7 </span><span class="Comment"># gets macros we'll directly use the continuation primitives.</span>
+<span id="L8" class="LineNr"> 8 </span>
+<span id="L9" class="LineNr"> 9 </span><span class="muData">exclusive-container</span> <a href='exception2.mu.html#L9'>error-or</a>:_elem [
+<span id="L10" class="LineNr">10 </span>  error:text
+<span id="L11" class="LineNr">11 </span>  value:_elem
+<span id="L12" class="LineNr">12 </span>]
+<span id="L13" class="LineNr">13 </span>
+<span id="L14" class="LineNr">14 </span><span class="muRecipe">def</span> <a href='exception2.mu.html#L14'>main</a> [
+<span id="L15" class="LineNr">15 </span>  <span class="Constant">local-scope</span>
+<span id="L16" class="LineNr">16 </span>  no-exception:bool <span class="Special">&lt;-</span> copy <span class="Constant">0/false</span>
+<span id="L17" class="LineNr">17 </span>  <a href='exception2.mu.html#L23'>foo</a> <span class="Constant">0/no-exception</span>
+<span id="L18" class="LineNr">18 </span>  raise-exception:bool <span class="Special">&lt;-</span> copy <span class="Constant">1/true</span>
+<span id="L19" class="LineNr">19 </span>  <a href='exception2.mu.html#L23'>foo</a> <span class="Constant">1/raise-exception</span>
+<span id="L20" class="LineNr">20 </span>]
+<span id="L21" class="LineNr">21 </span>
+<span id="L22" class="LineNr">22 </span><span class="Comment"># example showing exception handling</span>
+<span id="L23" class="LineNr">23 </span><span class="muRecipe">def</span> <a href='exception2.mu.html#L23'>foo</a> raise-exception?:bool [
+<span id="L24" class="LineNr">24 </span>  <span class="Constant">local-scope</span>
+<span id="L25" class="LineNr">25 </span>  <span class="Constant">load-inputs</span>
+<span id="L26" class="LineNr">26 </span>  <span class="Comment"># To run an instruction of the form:</span>
+<span id="L27" class="LineNr">27 </span>  <span class="Comment">#   try f ...</span>
+<span id="L28" class="LineNr">28 </span>  <span class="Comment"># write this:</span>
+<span id="L29" class="LineNr">29 </span>  <span class="Comment">#   call-with-continuation-mark 999/exception-tag, f, ...</span>
+<span id="L30" class="LineNr">30 </span>  <span class="Comment"># By convention we reserve tag 999 for exceptions.</span>
+<span id="L31" class="LineNr">31 </span>  <span class="Comment">#</span>
+<span id="L32" class="LineNr">32 </span>  <span class="Comment"># The other inputs and outputs to 'call-with-continuation-mark' depend on</span>
+<span id="L33" class="LineNr">33 </span>  <span class="Comment"># the function it is called with.</span>
+<span id="L34" class="LineNr">34 </span>  _, result:<a href='exception2.mu.html#L9'>error-or</a>:num <span class="Special">&lt;-</span> <span class="muControl">call-with-continuation-mark</span> <span class="Constant">999/exception-tag</span>, <a href='exception2.mu.html#L49'>f</a>, raise-exception?
+<span id="L35" class="LineNr">35 </span>  <span class="Delimiter">{</span>
+<span id="L36" class="LineNr">36 </span>    val:num, normal-exit?:bool <span class="Special">&lt;-</span> maybe-convert result, <span class="Constant">value:variant</span>
+<span id="L37" class="LineNr">37 </span>    <span class="muControl">break-unless</span> normal-exit?
+<span id="L38" class="LineNr">38 </span>    $print <span class="Constant">[normal exit; result ]</span> val <span class="Constant">10/newline</span>
+<span id="L39" class="LineNr">39 </span>  <span class="Delimiter">}</span>
+<span id="L40" class="LineNr">40 </span>  <span class="Delimiter">{</span>
+<span id="L41" class="LineNr">41 </span>    err:text, error-exit?:bool <span class="Special">&lt;-</span> maybe-convert result, <span class="Constant">error:variant</span>
+<span id="L42" class="LineNr">42 </span>    <span class="muControl">break-unless</span> error-exit?
+<span id="L43" class="LineNr">43 </span>    $print <span class="Constant">[error caught: ]</span> err <span class="Constant">10/newline</span>
+<span id="L44" class="LineNr">44 </span>  <span class="Delimiter">}</span>
+<span id="L45" class="LineNr">45 </span>]
+<span id="L46" class="LineNr">46 </span>
+<span id="L47" class="LineNr">47 </span><span class="Comment"># Callee function that we catch exceptions in must always return using a</span>
+<span id="L48" class="LineNr">48 </span><span class="Comment"># continuation.</span>
+<span id="L49" class="LineNr">49 </span><span class="muRecipe">def</span> <a href='exception2.mu.html#L49'>f</a> raise-exception?:bool<span class="muRecipe"> -&gt; </span>result:<a href='exception2.mu.html#L9'>error-or</a>:num [
+<span id="L50" class="LineNr">50 </span>  <span class="Constant">local-scope</span>
+<span id="L51" class="LineNr">51 </span>  <span class="Constant">load-inputs</span>
+<span id="L52" class="LineNr">52 </span>  <span class="Delimiter">{</span>
+<span id="L53" class="LineNr">53 </span>    <span class="muControl">break-unless</span> raise-exception?
+<span id="L54" class="LineNr">54 </span>    <span class="Comment"># throw/raise</span>
+<span id="L55" class="LineNr">55 </span>    result <span class="Special">&lt;-</span> merge <span class="Constant">0/error</span>, <span class="Constant">[error will robinson!]</span>
+<span id="L56" class="LineNr">56 </span>    <span class="muControl">return-continuation-until-mark</span> <span class="Constant">999/exception-tag</span>, result
+<span id="L57" class="LineNr">57 </span>  <span class="Delimiter">}</span>
+<span id="L58" class="LineNr">58 </span>  <span class="Comment"># 'normal' return; still uses the continuation mark</span>
+<span id="L59" class="LineNr">59 </span>  result <span class="Special">&lt;-</span> merge <span class="Constant">1/value</span>,<span class="Constant"> 34</span>
+<span id="L60" class="LineNr">60 </span>  <span class="muControl">return-continuation-until-mark</span> <span class="Constant">999/exception-tag</span>, result
+<span id="L61" class="LineNr">61 </span>  <span class="Comment"># dead code just to avoid errors</span>
+<span id="L62" class="LineNr">62 </span>  result <span class="Special">&lt;-</span> merge <span class="Constant">1/value</span>,<span class="Constant"> 0</span>
+<span id="L63" class="LineNr">63 </span> <span class="muControl"> return</span> result
+<span id="L64" class="LineNr">64 </span>]
+</pre>
+</body>
+</html>
+<!-- vim: set foldmethod=manual : -->
diff --git a/index.html b/index.html
index ff1fda9d..88e9b14a 100644
--- a/index.html
+++ b/index.html
@@ -60,6 +60,11 @@ screen and keyboard handling.
 <li><a href='html/same-fringe.mu.html'>same-fringe.mu</a>: a solution to the
   <a href='http://wiki.c2.com/?SameFringeProblem'>&lsquo;same fringe&rsquo;</a>
   problem, demonstrating Mu's coroutines and generic functions.
+<li>Two klunky ways to build exceptions out of continuations in Mu:
+    <a href='html/exception1.mu.html'>1</a>,
+    <a href='html/exception2.mu.html'>2</a>.
+Since Mu is statically typed, there's no way to implement a <tt>try</tt>
+primitive that can wrap arbitrary functions.
 </ul>
 
 Now a listing of every layer in Mu. Recall that you can <a href='http://akkartik.name/post/wart-layers'>stop