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Diffstat (limited to 'html/056shape_shifting_recipe.cc.html')
-rw-r--r--html/056shape_shifting_recipe.cc.html371
1 files changed, 186 insertions, 185 deletions
diff --git a/html/056shape_shifting_recipe.cc.html b/html/056shape_shifting_recipe.cc.html
index fb3bb405..27dea8ee 100644
--- a/html/056shape_shifting_recipe.cc.html
+++ b/html/056shape_shifting_recipe.cc.html
@@ -18,12 +18,13 @@ a:hover { text-decoration: underline; }
 .SalientComment { color: #00ffff; }
 .CommentedCode { color: #6c6c6c; }
 .muRecipe { color: #ff8700; }
-.LineNr { color: #444444; }
 .muData { color: #ffff00; }
+.LineNr { color: #444444; }
 .traceContains { color: #008000; }
 .Delimiter { color: #800080; }
 .Normal { color: #eeeeee; background-color: #080808; padding-bottom: 1px; }
 .cSpecial { color: #008000; }
+.Conceal { color: #4e4e4e; }
 .Comment { color: #9090ff; }
 .Constant { color: #00a0a0; }
 .Special { color: #c00000; }
@@ -100,7 +101,7 @@ if ('onhashchange' in window) {
 <span id="L35" class="LineNr">  35 </span>
 <span id="L36" class="LineNr">  36 </span><span class="Delimiter">:(after &quot;Running One Instruction&quot;)</span>
 <span id="L37" class="LineNr">  37 </span><span class="Normal">if</span> <span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>running_step_index == <span class="Constant">0</span>
-<span id="L38" class="LineNr">  38 </span>    &amp;&amp; <a href='056shape_shifting_recipe.cc.html#L157'>any_type_ingredient_in_header</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>running_recipe<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L38" class="LineNr">  38 </span>  <span class="Conceal">¦</span> &amp;&amp; <a href='056shape_shifting_recipe.cc.html#L157'>any_type_ingredient_in_header</a><span class="Delimiter">(</span>Current_routine<span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>running_recipe<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L39" class="LineNr">  39 </span><span class="CommentedCode">//?   DUMP(&quot;&quot;);</span>
 <span id="L40" class="LineNr">  40 </span>  <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;ran into unspecialized shape-shifting <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; current_recipe_name<span class="Delimiter">()</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L41" class="LineNr">  41 </span><span class="CommentedCode">//?   exit(0);</span>
@@ -129,13 +130,13 @@ if ('onhashchange' in window) {
 <span id="L64" class="LineNr">  64 </span>  recipe&amp; variant = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> new_recipe_ordinal<span class="Delimiter">);</span>
 <span id="L65" class="LineNr">  65 </span>  <span class="Comment">// perform all transforms on the new specialization</span>
 <span id="L66" class="LineNr">  66 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!variant<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
-<span id="L67" class="LineNr">  67 </span>    <a href='003trace.cc.html#L161'>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;transforming new specialization: &quot;</span> &lt;&lt; variant<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L68" class="LineNr">  68 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> t = <span class="Constant">0</span><span class="Delimiter">;</span>  t &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Transform<span class="Delimiter">);</span>  ++t<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L69" class="LineNr">  69 </span>      <span class="Comment">// one exception: skip tangle, which would have already occurred inside new_variant above</span>
-<span id="L70" class="LineNr">  70 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>Transform<span class="Delimiter">.</span>at<span class="Delimiter">(</span>t<span class="Delimiter">)</span> == <span class="Comment">/*</span><span class="Comment">disambiguate overloading</span><span class="Comment">*/</span><span class="Normal">static_cast</span>&lt;transform_fn&gt;<span class="Delimiter">(</span>insert_fragments<span class="Delimiter">))</span>
-<span id="L71" class="LineNr">  71 </span>        <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L72" class="LineNr">  72 </span>      <span class="Delimiter">(</span>*Transform<span class="Delimiter">.</span>at<span class="Delimiter">(</span>t<span class="Delimiter">))(</span>new_recipe_ordinal<span class="Delimiter">);</span>
-<span id="L73" class="LineNr">  73 </span>    <span class="Delimiter">}</span>
+<span id="L67" class="LineNr">  67 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>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;transforming new specialization: &quot;</span> &lt;&lt; variant<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L68" class="LineNr">  68 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> t = <span class="Constant">0</span><span class="Delimiter">;</span>  t &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Transform<span class="Delimiter">);</span>  ++t<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L69" class="LineNr">  69 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// one exception: skip tangle, which would have already occurred inside new_variant above</span>
+<span id="L70" class="LineNr">  70 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>Transform<span class="Delimiter">.</span>at<span class="Delimiter">(</span>t<span class="Delimiter">)</span> == <span class="Comment">/*</span><span class="Comment">disambiguate overloading</span><span class="Comment">*/</span><span class="Normal">static_cast</span>&lt;transform_fn&gt;<span class="Delimiter">(</span>insert_fragments<span class="Delimiter">))</span>
+<span id="L71" class="LineNr">  71 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L72" class="LineNr">  72 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">(</span>*Transform<span class="Delimiter">.</span>at<span class="Delimiter">(</span>t<span class="Delimiter">))(</span>new_recipe_ordinal<span class="Delimiter">);</span>
+<span id="L73" class="LineNr">  73 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L74" class="LineNr">  74 </span>  <span class="Delimiter">}</span>
 <span id="L75" class="LineNr">  75 </span>  variant<span class="Delimiter">.</span>transformed_until = <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>Transform<span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L76" class="LineNr">  76 </span>  <a href='003trace.cc.html#L161'>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;new specialization: &quot;</span> &lt;&lt; variant<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
@@ -148,7 +149,7 @@ if ('onhashchange' in window) {
 <span id="L83" class="LineNr">  83 </span>
 <span id="L84" class="LineNr">  84 </span><span class="Delimiter">:(before &quot;End Instruction Operation Checks&quot;)</span>
 <span id="L85" class="LineNr">  85 </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> &amp;&amp; inst<span class="Delimiter">.</span>operation &gt;= <a href='010vm.cc.html#L191'>MAX_PRIMITIVE_RECIPES</a>
-<span id="L86" class="LineNr">  86 </span>    &amp;&amp; <a href='056shape_shifting_recipe.cc.html#L157'>any_type_ingredient_in_header</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L86" class="LineNr">  86 </span>  <span class="Conceal">¦</span> &amp;&amp; <a href='056shape_shifting_recipe.cc.html#L157'>any_type_ingredient_in_header</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Delimiter">{</span>
 <span id="L87" class="LineNr">  87 </span>  <a href='003trace.cc.html#L168'>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;instruction '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' has no valid specialization</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L88" class="LineNr">  88 </span>  <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L89" class="LineNr">  89 </span><span class="Delimiter">}</span>
@@ -156,7 +157,7 @@ if ('onhashchange' in window) {
 <span id="L91" class="LineNr">  91 </span><span class="Delimiter">:(replace{} &quot;bool types_strictly_match_except_literal_zero_against_address(const reagent&amp; to, const reagent&amp; from)&quot;)</span>
 <span id="L92" class="LineNr">  92 </span><span class="Normal">bool</span> types_strictly_match_except_literal_zero_against_address<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; to<span class="Delimiter">,</span> <span class="Normal">const</span> reagent&amp; from<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L93" class="LineNr">  93 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_literal<span class="Delimiter">(</span>from<span class="Delimiter">)</span> &amp;&amp; is_mu_address<span class="Delimiter">(</span>to<span class="Delimiter">))</span>
-<span id="L94" class="LineNr">  94 </span>    <span class="Identifier">return</span> from<span class="Delimiter">.</span>name == <span class="Constant">&quot;0&quot;</span> &amp;&amp; !contains_type_ingredient_name<span class="Delimiter">(</span>to<span class="Delimiter">);</span>
+<span id="L94" class="LineNr">  94 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> from<span class="Delimiter">.</span>name == <span class="Constant">&quot;0&quot;</span> &amp;&amp; !contains_type_ingredient_name<span class="Delimiter">(</span>to<span class="Delimiter">);</span>
 <span id="L95" class="LineNr">  95 </span>  <span class="Identifier">return</span> types_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">,</span> from<span class="Delimiter">);</span>
 <span id="L96" class="LineNr">  96 </span><span class="Delimiter">}</span>
 <span id="L97" class="LineNr">  97 </span>
@@ -165,27 +166,27 @@ if ('onhashchange' in window) {
 <span id="L100" class="LineNr"> 100 </span>vector&lt;recipe_ordinal&gt; <a href='056shape_shifting_recipe.cc.html#L100'>strictly_matching_shape_shifting_variants</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> vector&lt;recipe_ordinal&gt;&amp; variants<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L101" class="LineNr"> 101 </span>  vector&lt;recipe_ordinal&gt; result<span class="Delimiter">;</span>
 <span id="L102" class="LineNr"> 102 </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#L138'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L103" class="LineNr"> 103 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L104" class="LineNr"> 104 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!any_type_ingredient_in_header<span class="Delimiter">(</span>variants<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="L105" class="LineNr"> 105 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!all_concrete_header_reagents_strictly_match<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variants<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="L106" class="LineNr"> 106 </span>    result<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
+<span id="L103" class="LineNr"> 103 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L104" class="LineNr"> 104 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!any_type_ingredient_in_header<span class="Delimiter">(</span>variants<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="L105" class="LineNr"> 105 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!all_concrete_header_reagents_strictly_match<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variants<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="L106" class="LineNr"> 106 </span>  <span class="Conceal">¦</span> result<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L107" class="LineNr"> 107 </span>  <span class="Delimiter">}</span>
 <span id="L108" class="LineNr"> 108 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
 <span id="L109" class="LineNr"> 109 </span><span class="Delimiter">}</span>
 <span id="L110" class="LineNr"> 110 </span>
 <span id="L111" class="LineNr"> 111 </span><span class="Normal">bool</span> <a href='056shape_shifting_recipe.cc.html#L111'>all_concrete_header_reagents_strictly_match</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L112" class="LineNr"> 112 </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; min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L113" class="LineNr"> 113 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!concrete_type_names_strictly_match<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<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="L114" class="LineNr"> 114 </span>      <a href='003trace.cc.html#L161'>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;concrete-type match failed: ingredient &quot;</span> &lt;&lt; i &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L115" class="LineNr"> 115 </span>      <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L116" class="LineNr"> 116 </span>    <span class="Delimiter">}</span>
+<span id="L113" class="LineNr"> 113 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!concrete_type_names_strictly_match<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<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="L114" class="LineNr"> 114 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>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;concrete-type match failed: ingredient &quot;</span> &lt;&lt; i &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L115" class="LineNr"> 115 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L116" class="LineNr"> 116 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L117" class="LineNr"> 117 </span>  <span class="Delimiter">}</span>
 <span id="L118" class="LineNr"> 118 </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; min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L119" class="LineNr"> 119 </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="L120" class="LineNr"> 120 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!concrete_type_names_strictly_match<span class="Delimiter">(</span>variant<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 class="Delimiter">{</span>
-<span id="L121" class="LineNr"> 121 </span>      <a href='003trace.cc.html#L161'>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;concrete-type match failed: product &quot;</span> &lt;&lt; i &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L122" class="LineNr"> 122 </span>      <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L123" class="LineNr"> 123 </span>    <span class="Delimiter">}</span>
+<span id="L119" class="LineNr"> 119 </span>  <span class="Conceal">¦</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="L120" class="LineNr"> 120 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!concrete_type_names_strictly_match<span class="Delimiter">(</span>variant<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 class="Delimiter">{</span>
+<span id="L121" class="LineNr"> 121 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>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;concrete-type match failed: product &quot;</span> &lt;&lt; i &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L122" class="LineNr"> 122 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L123" class="LineNr"> 123 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L124" class="LineNr"> 124 </span>  <span class="Delimiter">}</span>
 <span id="L125" class="LineNr"> 125 </span>  <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L126" class="LineNr"> 126 </span><span class="Delimiter">}</span>
@@ -196,25 +197,25 @@ if ('onhashchange' in window) {
 <span id="L131" class="LineNr"> 131 </span>  <span class="Comment">// primary score</span>
 <span id="L132" class="LineNr"> 132 </span>  <span class="Normal">int</span> max_score = -<span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L133" class="LineNr"> 133 </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#L138'>SIZE</a><span class="Delimiter">(</span>candidates<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L134" class="LineNr"> 134 </span>    <span class="Normal">int</span> score = number_of_concrete_type_names<span class="Delimiter">(</span>candidates<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
-<span id="L135" class="LineNr"> 135 </span>    assert<span class="Delimiter">(</span>score &gt; -<span class="Constant">1</span><span class="Delimiter">);</span>
-<span id="L136" class="LineNr"> 136 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>score &gt; max_score<span class="Delimiter">)</span> max_score = score<span class="Delimiter">;</span>
+<span id="L134" class="LineNr"> 134 </span>  <span class="Conceal">¦</span> <span class="Normal">int</span> score = number_of_concrete_type_names<span class="Delimiter">(</span>candidates<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
+<span id="L135" class="LineNr"> 135 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>score &gt; -<span class="Constant">1</span><span class="Delimiter">);</span>
+<span id="L136" class="LineNr"> 136 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>score &gt; max_score<span class="Delimiter">)</span> max_score = score<span class="Delimiter">;</span>
 <span id="L137" class="LineNr"> 137 </span>  <span class="Delimiter">}</span>
 <span id="L138" class="LineNr"> 138 </span>  <span class="Comment">// break any ties at max_score by a secondary score</span>
 <span id="L139" class="LineNr"> 139 </span>  <span class="Normal">int</span> min_score2 = <span class="Constant">999</span><span class="Delimiter">;</span>
 <span id="L140" class="LineNr"> 140 </span>  <span class="Normal">int</span> best_index = <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L141" class="LineNr"> 141 </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#L138'>SIZE</a><span class="Delimiter">(</span>candidates<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L142" class="LineNr"> 142 </span>    <span class="Normal">int</span> score1 = number_of_concrete_type_names<span class="Delimiter">(</span>candidates<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
-<span id="L143" class="LineNr"> 143 </span>    assert<span class="Delimiter">(</span>score1 &lt;= max_score<span class="Delimiter">);</span>
-<span id="L144" class="LineNr"> 144 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>score1 != max_score<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L145" class="LineNr"> 145 </span>    <span class="Normal">const</span> recipe&amp; candidate = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> candidates<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
-<span id="L146" class="LineNr"> 146 </span>    <span class="Normal">int</span> score2 = <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>products<span class="Delimiter">)</span>-SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">))</span>
-<span id="L147" class="LineNr"> 147 </span>                           + <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span>-SIZE<span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>
-<span id="L148" class="LineNr"> 148 </span>    assert<span class="Delimiter">(</span>score2 &lt; <span class="Constant">999</span><span class="Delimiter">);</span>
-<span id="L149" class="LineNr"> 149 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>score2 &lt; min_score2<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L150" class="LineNr"> 150 </span>      min_score2 = score2<span class="Delimiter">;</span>
-<span id="L151" class="LineNr"> 151 </span>      best_index = i<span class="Delimiter">;</span>
-<span id="L152" class="LineNr"> 152 </span>    <span class="Delimiter">}</span>
+<span id="L142" class="LineNr"> 142 </span>  <span class="Conceal">¦</span> <span class="Normal">int</span> score1 = number_of_concrete_type_names<span class="Delimiter">(</span>candidates<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
+<span id="L143" class="LineNr"> 143 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>score1 &lt;= max_score<span class="Delimiter">);</span>
+<span id="L144" class="LineNr"> 144 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>score1 != max_score<span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L145" class="LineNr"> 145 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> recipe&amp; candidate = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> candidates<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
+<span id="L146" class="LineNr"> 146 </span>  <span class="Conceal">¦</span> <span class="Normal">int</span> score2 = <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>products<span class="Delimiter">)</span>-SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">))</span>
+<span id="L147" class="LineNr"> 147 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>      + <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span>-SIZE<span class="Delimiter">(</span>candidate<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>
+<span id="L148" class="LineNr"> 148 </span>  <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>score2 &lt; <span class="Constant">999</span><span class="Delimiter">);</span>
+<span id="L149" class="LineNr"> 149 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>score2 &lt; min_score2<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L150" class="LineNr"> 150 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> min_score2 = score2<span class="Delimiter">;</span>
+<span id="L151" class="LineNr"> 151 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> best_index = i<span class="Delimiter">;</span>
+<span id="L152" class="LineNr"> 152 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L153" class="LineNr"> 153 </span>  <span class="Delimiter">}</span>
 <span id="L154" class="LineNr"> 154 </span>  <span class="Identifier">return</span> candidates<span class="Delimiter">.</span>at<span class="Delimiter">(</span>best_index<span class="Delimiter">);</span>
 <span id="L155" class="LineNr"> 155 </span><span class="Delimiter">}</span>
@@ -222,12 +223,12 @@ if ('onhashchange' in window) {
 <span id="L157" class="LineNr"> 157 </span><span class="Normal">bool</span> <a href='056shape_shifting_recipe.cc.html#L157'>any_type_ingredient_in_header</a><span class="Delimiter">(</span><a href='010vm.cc.html#L14'>recipe_ordinal</a> variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L158" class="LineNr"> 158 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variant<span class="Delimiter">);</span>
 <span id="L159" class="LineNr"> 159 </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#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L160" class="LineNr"> 160 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>contains_type_ingredient_name<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
-<span id="L161" class="LineNr"> 161 </span>      <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L160" class="LineNr"> 160 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>contains_type_ingredient_name<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
+<span id="L161" class="LineNr"> 161 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L162" class="LineNr"> 162 </span>  <span class="Delimiter">}</span>
 <span id="L163" class="LineNr"> 163 </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#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L164" class="LineNr"> 164 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>contains_type_ingredient_name<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
-<span id="L165" class="LineNr"> 165 </span>      <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L164" class="LineNr"> 164 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>contains_type_ingredient_name<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
+<span id="L165" class="LineNr"> 165 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L166" class="LineNr"> 166 </span>  <span class="Delimiter">}</span>
 <span id="L167" class="LineNr"> 167 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L168" class="LineNr"> 168 </span><span class="Delimiter">}</span>
@@ -244,16 +245,16 @@ if ('onhashchange' in window) {
 <span id="L179" class="LineNr"> 179 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>atom &amp;&amp; is_type_ingredient_name<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>  <span class="Comment">// type ingredient matches anything</span>
 <span id="L180" class="LineNr"> 180 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!to<span class="Delimiter">-&gt;</span>atom &amp;&amp; to<span class="Delimiter">-&gt;</span>right == <span class="Constant">NULL</span> &amp;&amp; to<span class="Delimiter">-&gt;</span>left != <span class="Constant">NULL</span> &amp;&amp; to<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom &amp;&amp; is_type_ingredient_name<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
 <span id="L181" class="LineNr"> 181 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>atom &amp;&amp; is_mu_address<span class="Delimiter">(</span>to<span class="Delimiter">))</span>
-<span id="L182" class="LineNr"> 182 </span>    <span class="Identifier">return</span> from<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span> &amp;&amp; rhs_reagent<span class="Delimiter">.</span>name == <span class="Constant">&quot;0&quot;</span><span class="Delimiter">;</span>
+<span id="L182" class="LineNr"> 182 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> from<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span> &amp;&amp; rhs_reagent<span class="Delimiter">.</span>name == <span class="Constant">&quot;0&quot;</span><span class="Delimiter">;</span>
 <span id="L183" class="LineNr"> 183 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!from<span class="Delimiter">-&gt;</span>atom &amp;&amp; !to<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span>
-<span id="L184" class="LineNr"> 184 </span>    <span class="Identifier">return</span> concrete_type_names_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> from<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> rhs_reagent<span class="Delimiter">)</span>
-<span id="L185" class="LineNr"> 185 </span>        &amp;&amp; concrete_type_names_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> from<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> rhs_reagent<span class="Delimiter">);</span>
+<span id="L184" class="LineNr"> 184 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> concrete_type_names_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> from<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> rhs_reagent<span class="Delimiter">)</span>
+<span id="L185" class="LineNr"> 185 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> &amp;&amp; concrete_type_names_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> from<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> rhs_reagent<span class="Delimiter">);</span>
 <span id="L186" class="LineNr"> 186 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>atom != to<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
 <span id="L187" class="LineNr"> 187 </span>  <span class="Comment">// both from and to are atoms</span>
 <span id="L188" class="LineNr"> 188 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">)</span>
-<span id="L189" class="LineNr"> 189 </span>    <span class="Identifier">return</span> Literal_type_names<span class="Delimiter">.</span>find<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> != Literal_type_names<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L189" class="LineNr"> 189 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> Literal_type_names<span class="Delimiter">.</span>find<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> != Literal_type_names<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L190" class="LineNr"> 190 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">)</span>
-<span id="L191" class="LineNr"> 191 </span>    <span class="Identifier">return</span> Literal_type_names<span class="Delimiter">.</span>find<span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> != Literal_type_names<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L191" class="LineNr"> 191 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> Literal_type_names<span class="Delimiter">.</span>find<span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> != Literal_type_names<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L192" class="LineNr"> 192 </span>  <span class="Identifier">return</span> to<span class="Delimiter">-&gt;</span>name == from<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
 <span id="L193" class="LineNr"> 193 </span><span class="Delimiter">}</span>
 <span id="L194" class="LineNr"> 194 </span>
@@ -271,9 +272,9 @@ if ('onhashchange' in window) {
 <span id="L206" class="LineNr"> 206 </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="L207" class="LineNr"> 207 </span>  <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L208" class="LineNr"> 208 </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#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L209" class="LineNr"> 209 </span>    result += number_of_concrete_type_names<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
+<span id="L209" class="LineNr"> 209 </span>  <span class="Conceal">¦</span> result += number_of_concrete_type_names<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<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> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L211" class="LineNr"> 211 </span>    result += number_of_concrete_type_names<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
+<span id="L211" class="LineNr"> 211 </span>  <span class="Conceal">¦</span> result += number_of_concrete_type_names<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
 <span id="L212" class="LineNr"> 212 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
 <span id="L213" class="LineNr"> 213 </span><span class="Delimiter">}</span>
 <span id="L214" class="LineNr"> 214 </span>
@@ -284,9 +285,9 @@ if ('onhashchange' in window) {
 <span id="L219" class="LineNr"> 219 </span><span class="Normal">int</span> number_of_concrete_type_names<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L220" class="LineNr"> 220 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L221" class="LineNr"> 221 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span>
-<span id="L222" class="LineNr"> 222 </span>    <span class="Identifier">return</span> is_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> ? <span class="Constant">0</span> : <span class="Constant">1</span><span class="Delimiter">;</span>
+<span id="L222" class="LineNr"> 222 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span> is_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> ? <span class="Constant">0</span> : <span class="Constant">1</span><span class="Delimiter">;</span>
 <span id="L223" class="LineNr"> 223 </span>  <span class="Identifier">return</span> number_of_concrete_type_names<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span>
-<span id="L224" class="LineNr"> 224 </span>       + number_of_concrete_type_names<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
+<span id="L224" class="LineNr"> 224 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span>+ number_of_concrete_type_names<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
 <span id="L225" class="LineNr"> 225 </span><span class="Delimiter">}</span>
 <span id="L226" class="LineNr"> 226 </span>
 <span id="L227" class="LineNr"> 227 </span><a href='010vm.cc.html#L14'>recipe_ordinal</a> <a href='056shape_shifting_recipe.cc.html#L227'>new_variant</a><span class="Delimiter">(</span><a href='010vm.cc.html#L14'>recipe_ordinal</a> exemplar<span class="Delimiter">,</span> <span class="Normal">const</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>
@@ -313,14 +314,14 @@ if ('onhashchange' in window) {
 <span id="L248" class="LineNr"> 248 </span>  <a href='056shape_shifting_recipe.cc.html#L265'>compute_type_names</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">);</span>
 <span id="L249" class="LineNr"> 249 </span>  <span class="Comment">// that gives enough information to replace type-ingredients with concrete types</span>
 <span id="L250" class="LineNr"> 250 </span>  <span class="Delimiter">{</span>
-<span id="L251" class="LineNr"> 251 </span>    map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt; mappings<span class="Delimiter">;</span>
-<span id="L252" class="LineNr"> 252 </span>    <span class="Normal">bool</span> error = <span class="Constant">false</span><span class="Delimiter">;</span>
-<span id="L253" class="LineNr"> 253 </span>    <a href='056shape_shifting_recipe.cc.html#L299'>compute_type_ingredient_mappings</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> exemplar<span class="Delimiter">),</span> inst<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> &amp;error<span class="Delimiter">);</span>
-<span id="L254" class="LineNr"> 254 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!error<span class="Delimiter">)</span> error = <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>mappings<span class="Delimiter">)</span> != <a href='056shape_shifting_recipe.cc.html#L437'>type_ingredient_count_in_header</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">));</span>
-<span id="L255" class="LineNr"> 255 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!error<span class="Delimiter">)</span> replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
-<span id="L256" class="LineNr"> 256 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;::iterator p = mappings<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != mappings<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span>
-<span id="L257" class="LineNr"> 257 </span>      <span class="Normal">delete</span> p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">;</span>
-<span id="L258" class="LineNr"> 258 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>error<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
+<span id="L251" class="LineNr"> 251 </span>  <span class="Conceal">¦</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt; mappings<span class="Delimiter">;</span>
+<span id="L252" class="LineNr"> 252 </span>  <span class="Conceal">¦</span> <span class="Normal">bool</span> error = <span class="Constant">false</span><span class="Delimiter">;</span>
+<span id="L253" class="LineNr"> 253 </span>  <span class="Conceal">¦</span> <a href='056shape_shifting_recipe.cc.html#L299'>compute_type_ingredient_mappings</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> exemplar<span class="Delimiter">),</span> inst<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> &amp;error<span class="Delimiter">);</span>
+<span id="L254" class="LineNr"> 254 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!error<span class="Delimiter">)</span> error = <span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>mappings<span class="Delimiter">)</span> != <a href='056shape_shifting_recipe.cc.html#L437'>type_ingredient_count_in_header</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">));</span>
+<span id="L255" class="LineNr"> 255 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!error<span class="Delimiter">)</span> replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
+<span id="L256" class="LineNr"> 256 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;::iterator p = mappings<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != mappings<span class="Delimiter">.</span><a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span>
+<span id="L257" class="LineNr"> 257 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">delete</span> p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">;</span>
+<span id="L258" class="LineNr"> 258 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>error<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L259" class="LineNr"> 259 </span>  <span class="Delimiter">}</span>
 <span id="L260" class="LineNr"> 260 </span>  ensure_all_concrete_types<span class="Delimiter">(</span>new_recipe<span class="Delimiter">,</span> get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> exemplar<span class="Delimiter">));</span>
 <span id="L261" class="LineNr"> 261 </span>  <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> new_recipe_ordinal<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
@@ -331,29 +332,29 @@ if ('onhashchange' in window) {
 <span id="L266" class="LineNr"> 266 </span>  <a href='003trace.cc.html#L161'>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;-- compute type names: &quot;</span> &lt;&lt; variant<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L267" class="LineNr"> 267 </span>  map&lt;string<span class="Delimiter">,</span> type_tree*&gt; type_names<span class="Delimiter">;</span>
 <span id="L268" class="LineNr"> 268 </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#L138'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L269" class="LineNr"> 269 </span>    <a href='056shape_shifting_recipe.cc.html#L282'>save_or_deduce_type_name</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
+<span id="L269" class="LineNr"> 269 </span>  <span class="Conceal">¦</span> <a href='056shape_shifting_recipe.cc.html#L282'>save_or_deduce_type_name</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L270" class="LineNr"> 270 </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#L138'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L271" class="LineNr"> 271 </span>    <a href='056shape_shifting_recipe.cc.html#L282'>save_or_deduce_type_name</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
+<span id="L271" class="LineNr"> 271 </span>  <span class="Conceal">¦</span> <a href='056shape_shifting_recipe.cc.html#L282'>save_or_deduce_type_name</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
 <span id="L272" class="LineNr"> 272 </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#L138'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L273" class="LineNr"> 273 </span>    instruction&amp; inst = variant<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-<span id="L274" class="LineNr"> 274 </span>    <a href='003trace.cc.html#L161'>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;  <a href='010vm.cc.html#L32'>instruction</a>: &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L275" class="LineNr"> 275 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> in = <span class="Constant">0</span><span class="Delimiter">;</span>  in &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++in<span class="Delimiter">)</span>
-<span id="L276" class="LineNr"> 276 </span>      <a href='056shape_shifting_recipe.cc.html#L282'>save_or_deduce_type_name</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>in<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot; in '&quot;</span> + inst<span class="Delimiter">.</span>original_string + <span class="Constant">&quot;'&quot;</span><span class="Delimiter">);</span>
-<span id="L277" class="LineNr"> 277 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> out = <span class="Constant">0</span><span class="Delimiter">;</span>  out &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++out<span class="Delimiter">)</span>
-<span id="L278" class="LineNr"> 278 </span>      <a href='056shape_shifting_recipe.cc.html#L282'>save_or_deduce_type_name</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>out<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot; in '&quot;</span> + inst<span class="Delimiter">.</span>original_string + <span class="Constant">&quot;'&quot;</span><span class="Delimiter">);</span>
+<span id="L273" class="LineNr"> 273 </span>  <span class="Conceal">¦</span> instruction&amp; inst = variant<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
+<span id="L274" class="LineNr"> 274 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>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;  <a href='010vm.cc.html#L32'>instruction</a>: &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L275" class="LineNr"> 275 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> in = <span class="Constant">0</span><span class="Delimiter">;</span>  in &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++in<span class="Delimiter">)</span>
+<span id="L276" class="LineNr"> 276 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='056shape_shifting_recipe.cc.html#L282'>save_or_deduce_type_name</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>in<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot; in '&quot;</span> + inst<span class="Delimiter">.</span>original_string + <span class="Constant">&quot;'&quot;</span><span class="Delimiter">);</span>
+<span id="L277" class="LineNr"> 277 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> out = <span class="Constant">0</span><span class="Delimiter">;</span>  out &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++out<span class="Delimiter">)</span>
+<span id="L278" class="LineNr"> 278 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='056shape_shifting_recipe.cc.html#L282'>save_or_deduce_type_name</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>out<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot; in '&quot;</span> + inst<span class="Delimiter">.</span>original_string + <span class="Constant">&quot;'&quot;</span><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="Normal">void</span> <a href='056shape_shifting_recipe.cc.html#L282'>save_or_deduce_type_name</a><span class="Delimiter">(</span>reagent&amp; x<span class="Delimiter">,</span> map&lt;string<span class="Delimiter">,</span> type_tree*&gt;&amp; type<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; variant<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; context<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L283" class="LineNr"> 283 </span>  <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9994</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;    checking &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L284" class="LineNr"> 284 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type &amp;&amp; contains_key<span class="Delimiter">(</span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L285" class="LineNr"> 285 </span>    x<span class="Delimiter">.</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*get<span class="Delimiter">(</span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
-<span id="L286" class="LineNr"> 286 </span>    <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9994</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;    deducing type to &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L287" class="LineNr"> 287 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L285" class="LineNr"> 285 </span>  <span class="Conceal">¦</span> x<span class="Delimiter">.</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*get<span class="Delimiter">(</span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
+<span id="L286" class="LineNr"> 286 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>trace</a><span class="Delimiter">(</span><span class="Constant">9994</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;    deducing type to &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L287" class="LineNr"> 287 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L288" class="LineNr"> 288 </span>  <span class="Delimiter">}</span>
 <span id="L289" class="LineNr"> 289 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L290" class="LineNr"> 290 </span>    <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>original_name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;unknown type for '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; context &lt;&lt; <span class="Constant">&quot; (check the name for typos)</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L291" class="LineNr"> 291 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L290" class="LineNr"> 290 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>original_name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;unknown type for '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; context &lt;&lt; <span class="Constant">&quot; (check the name for typos)</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L291" class="LineNr"> 291 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L292" class="LineNr"> 292 </span>  <span class="Delimiter">}</span>
 <span id="L293" class="LineNr"> 293 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>type<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="L294" class="LineNr"> 294 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;offset&quot;</span> || x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;variant&quot;</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>  <span class="Comment">// special-case for container-access instructions</span>
@@ -364,19 +365,19 @@ if ('onhashchange' in window) {
 <span id="L299" class="LineNr"> 299 </span><span class="Normal">void</span> <a href='056shape_shifting_recipe.cc.html#L299'>compute_type_ingredient_mappings</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; exemplar<span class="Delimiter">,</span> <span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;&amp; mappings<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">,</span> <span class="Normal">bool</span>* error<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L300" class="LineNr"> 300 </span>  <span class="Normal">int</span> limit = min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>
 <span id="L301" class="LineNr"> 301 </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; limit<span class="Delimiter">;</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L302" class="LineNr"> 302 </span>    <span class="Normal">const</span> reagent&amp; exemplar_reagent = exemplar<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-<span id="L303" class="LineNr"> 303 </span>    reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> ingredient = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-<span id="L304" class="LineNr"> 304 </span>    canonize_type<span class="Delimiter">(</span>ingredient<span class="Delimiter">);</span>
-<span id="L305" class="LineNr"> 305 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">)</span> &amp;&amp; ingredient<span class="Delimiter">.</span>name == <span class="Constant">&quot;0&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// assume it matches</span>
-<span id="L306" class="LineNr"> 306 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">,</span> ingredient<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
+<span id="L302" class="LineNr"> 302 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> reagent&amp; exemplar_reagent = exemplar<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
+<span id="L303" class="LineNr"> 303 </span>  <span class="Conceal">¦</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> ingredient = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
+<span id="L304" class="LineNr"> 304 </span>  <span class="Conceal">¦</span> canonize_type<span class="Delimiter">(</span>ingredient<span class="Delimiter">);</span>
+<span id="L305" class="LineNr"> 305 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">)</span> &amp;&amp; ingredient<span class="Delimiter">.</span>name == <span class="Constant">&quot;0&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// assume it matches</span>
+<span id="L306" class="LineNr"> 306 </span>  <span class="Conceal">¦</span> accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">,</span> ingredient<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
 <span id="L307" class="LineNr"> 307 </span>  <span class="Delimiter">}</span>
 <span id="L308" class="LineNr"> 308 </span>  limit = min<span class="Delimiter">(</span><a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>products<span class="Delimiter">));</span>
 <span id="L309" class="LineNr"> 309 </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; limit<span class="Delimiter">;</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L310" class="LineNr"> 310 </span>    <span class="Normal">const</span> reagent&amp; exemplar_reagent = exemplar<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-<span id="L311" class="LineNr"> 311 </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>i<span class="Delimiter">);</span>
-<span id="L312" class="LineNr"> 312 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
-<span id="L313" class="LineNr"> 313 </span>    canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">);</span>
-<span id="L314" class="LineNr"> 314 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">,</span> product<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
+<span id="L310" class="LineNr"> 310 </span>  <span class="Conceal">¦</span> <span class="Normal">const</span> reagent&amp; exemplar_reagent = exemplar<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
+<span id="L311" class="LineNr"> 311 </span>  <span class="Conceal">¦</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>i<span class="Delimiter">);</span>
+<span id="L312" class="LineNr"> 312 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
+<span id="L313" class="LineNr"> 313 </span>  <span class="Conceal">¦</span> canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">);</span>
+<span id="L314" class="LineNr"> 314 </span>  <span class="Conceal">¦</span> accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">,</span> product<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
 <span id="L315" class="LineNr"> 315 </span>  <span class="Delimiter">}</span>
 <span id="L316" class="LineNr"> 316 </span><span class="Delimiter">}</span>
 <span id="L317" class="LineNr"> 317 </span>
@@ -388,47 +389,47 @@ if ('onhashchange' in window) {
 <span id="L323" class="LineNr"> 323 </span><span class="Normal">void</span> accumulate_type_ingredients<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* exemplar_type<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree* refinement_type<span class="Delimiter">,</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;&amp; mappings<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; exemplar<span class="Delimiter">,</span> <span class="Normal">const</span> reagent&amp; exemplar_reagent<span class="Delimiter">,</span> <span class="Normal">const</span> instruction&amp; call_instruction<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">,</span> <span class="Normal">bool</span>* error<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L324" class="LineNr"> 324 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!exemplar_type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L325" class="LineNr"> 325 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!refinement_type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L326" class="LineNr"> 326 </span>    <span class="Comment">// probably a bug in mu</span>
-<span id="L327" class="LineNr"> 327 </span>    <span class="Comment">// todo: make this smarter; only flag an error if exemplar_type contains some *new* type ingredient</span>
-<span id="L328" class="LineNr"> 328 </span>    <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;missing type ingredient for &quot;</span> &lt;&lt; exemplar_reagent<span class="Delimiter">.</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L329" class="LineNr"> 329 </span>    <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;  (called from '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>call_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#L185'>end</a><span class="Delimiter">();</span>
-<span id="L330" class="LineNr"> 330 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L326" class="LineNr"> 326 </span>  <span class="Conceal">¦</span> <span class="Comment">// probably a bug in mu</span>
+<span id="L327" class="LineNr"> 327 </span>  <span class="Conceal">¦</span> <span class="Comment">// todo: make this smarter; only flag an error if exemplar_type contains some *new* type ingredient</span>
+<span id="L328" class="LineNr"> 328 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;missing type ingredient for &quot;</span> &lt;&lt; exemplar_reagent<span class="Delimiter">.</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L329" class="LineNr"> 329 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;  (called from '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>call_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#L185'>end</a><span class="Delimiter">();</span>
+<span id="L330" class="LineNr"> 330 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L331" class="LineNr"> 331 </span>  <span class="Delimiter">}</span>
 <span id="L332" class="LineNr"> 332 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!exemplar_type<span class="Delimiter">-&gt;</span>atom &amp;&amp; exemplar_type<span class="Delimiter">-&gt;</span>right == <span class="Constant">NULL</span> &amp;&amp; !refinement_type<span class="Delimiter">-&gt;</span>atom &amp;&amp; refinement_type<span class="Delimiter">-&gt;</span>right != <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L333" class="LineNr"> 333 </span>    exemplar_type = exemplar_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">;</span>
-<span id="L334" class="LineNr"> 334 </span>    <a href='003trace.cc.html#L171'>assert_for_now</a><span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
+<span id="L333" class="LineNr"> 333 </span>  <span class="Conceal">¦</span> exemplar_type = exemplar_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">;</span>
+<span id="L334" class="LineNr"> 334 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L171'>assert_for_now</a><span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
 <span id="L335" class="LineNr"> 335 </span>  <span class="Delimiter">}</span>
 <span id="L336" class="LineNr"> 336 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L337" class="LineNr"> 337 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>is_type_ingredient_name<span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L338" class="LineNr"> 338 </span>      <span class="Normal">const</span> type_tree* curr_refinement_type = <span class="Constant">NULL</span><span class="Delimiter">;</span>  <span class="Comment">// temporary heap allocation; must always be deleted before it goes out of scope</span>
-<span id="L339" class="LineNr"> 339 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span>
-<span id="L340" class="LineNr"> 340 </span>        curr_refinement_type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*refinement_type<span class="Delimiter">);</span>
-<span id="L341" class="LineNr"> 341 </span>      <span class="Normal">else</span> <span class="Delimiter">{</span>
-<span id="L342" class="LineNr"> 342 </span>        assert<span class="Delimiter">(</span>!refinement_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
-<span id="L343" class="LineNr"> 343 </span>        curr_refinement_type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*refinement_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">);</span>
-<span id="L344" class="LineNr"> 344 </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>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L346" class="LineNr"> 346 </span>        <a href='003trace.cc.html#L161'>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;adding mapping from &quot;</span> &lt;&lt; exemplar_type<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot; to &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>curr_refinement_type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L347" class="LineNr"> 347 </span>        <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*curr_refinement_type<span class="Delimiter">));</span>
-<span id="L348" class="LineNr"> 348 </span>      <span class="Delimiter">}</span>
-<span id="L349" class="LineNr"> 349 </span>      <span class="Normal">else</span> <span class="Delimiter">{</span>
-<span id="L350" class="LineNr"> 350 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>!deeply_equal_type_names<span class="Delimiter">(</span>get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">),</span> curr_refinement_type<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L351" class="LineNr"> 351 </span>          <a href='003trace.cc.html#L168'>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;no call found for '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>call_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#L185'>end</a><span class="Delimiter">();</span>
-<span id="L352" class="LineNr"> 352 </span>          *error = <span class="Constant">true</span><span class="Delimiter">;</span>
-<span id="L353" class="LineNr"> 353 </span>          <span class="Normal">delete</span> curr_refinement_type<span class="Delimiter">;</span>
-<span id="L354" class="LineNr"> 354 </span>          <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L355" class="LineNr"> 355 </span>        <span class="Delimiter">}</span>
-<span id="L356" class="LineNr"> 356 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L357" class="LineNr"> 357 </span>          <span class="Normal">delete</span> get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
-<span id="L358" class="LineNr"> 358 </span>          <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*curr_refinement_type<span class="Delimiter">));</span>
-<span id="L359" class="LineNr"> 359 </span>        <span class="Delimiter">}</span>
-<span id="L360" class="LineNr"> 360 </span>      <span class="Delimiter">}</span>
-<span id="L361" class="LineNr"> 361 </span>      <span class="Normal">delete</span> curr_refinement_type<span class="Delimiter">;</span>
-<span id="L362" class="LineNr"> 362 </span>    <span class="Delimiter">}</span>
+<span id="L337" class="LineNr"> 337 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_type_ingredient_name<span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L338" class="LineNr"> 338 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">const</span> type_tree* curr_refinement_type = <span class="Constant">NULL</span><span class="Delimiter">;</span>  <span class="Comment">// temporary heap allocation; must always be deleted before it goes out of scope</span>
+<span id="L339" class="LineNr"> 339 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span>
+<span id="L340" class="LineNr"> 340 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> curr_refinement_type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*refinement_type<span class="Delimiter">);</span>
+<span id="L341" class="LineNr"> 341 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Delimiter">{</span>
+<span id="L342" class="LineNr"> 342 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> assert<span class="Delimiter">(</span>!refinement_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
+<span id="L343" class="LineNr"> 343 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> curr_refinement_type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*refinement_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">);</span>
+<span id="L344" class="LineNr"> 344 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
+<span id="L345" class="LineNr"> 345 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L346" class="LineNr"> 346 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>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;adding mapping from &quot;</span> &lt;&lt; exemplar_type<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot; to &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>curr_refinement_type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L347" class="LineNr"> 347 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*curr_refinement_type<span class="Delimiter">));</span>
+<span id="L348" class="LineNr"> 348 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
+<span id="L349" class="LineNr"> 349 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">else</span> <span class="Delimiter">{</span>
+<span id="L350" class="LineNr"> 350 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!deeply_equal_type_names<span class="Delimiter">(</span>get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">),</span> curr_refinement_type<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L351" class="LineNr"> 351 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>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;no call found for '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>call_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#L185'>end</a><span class="Delimiter">();</span>
+<span id="L352" class="LineNr"> 352 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> *error = <span class="Constant">true</span><span class="Delimiter">;</span>
+<span id="L353" class="LineNr"> 353 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">delete</span> curr_refinement_type<span class="Delimiter">;</span>
+<span id="L354" class="LineNr"> 354 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L355" class="LineNr"> 355 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
+<span id="L356" class="LineNr"> 356 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L357" class="LineNr"> 357 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">delete</span> get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
+<span id="L358" class="LineNr"> 358 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='001help.cc.html#L218'>put</a><span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*curr_refinement_type<span class="Delimiter">));</span>
+<span id="L359" class="LineNr"> 359 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
+<span id="L360" class="LineNr"> 360 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
+<span id="L361" class="LineNr"> 361 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">delete</span> curr_refinement_type<span class="Delimiter">;</span>
+<span id="L362" class="LineNr"> 362 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L363" class="LineNr"> 363 </span>  <span class="Delimiter">}</span>
 <span id="L364" class="LineNr"> 364 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
-<span id="L365" class="LineNr"> 365 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> refinement_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> exemplar_reagent<span class="Delimiter">,</span> call_instruction<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
-<span id="L366" class="LineNr"> 366 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> refinement_type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> exemplar_reagent<span class="Delimiter">,</span> call_instruction<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
+<span id="L365" class="LineNr"> 365 </span>  <span class="Conceal">¦</span> accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> refinement_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> exemplar_reagent<span class="Delimiter">,</span> call_instruction<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
+<span id="L366" class="LineNr"> 366 </span>  <span class="Conceal">¦</span> accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> refinement_type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> exemplar_reagent<span class="Delimiter">,</span> call_instruction<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
 <span id="L367" class="LineNr"> 367 </span>  <span class="Delimiter">}</span>
 <span id="L368" class="LineNr"> 368 </span><span class="Delimiter">}</span>
 <span id="L369" class="LineNr"> 369 </span>
@@ -437,25 +438,25 @@ if ('onhashchange' in window) {
 <span id="L372" class="LineNr"> 372 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>mappings<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L373" class="LineNr"> 373 </span>  <a href='003trace.cc.html#L161'>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;replacing in <a href='010vm.cc.html#L19'>recipe</a> header ingredients&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L374" class="LineNr"> 374 </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#L138'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L375" class="LineNr"> 375 </span>    replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
+<span id="L375" class="LineNr"> 375 </span>  <span class="Conceal">¦</span> replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
 <span id="L376" class="LineNr"> 376 </span>  <a href='003trace.cc.html#L161'>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;replacing in <a href='010vm.cc.html#L19'>recipe</a> header products&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L377" class="LineNr"> 377 </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#L138'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L378" class="LineNr"> 378 </span>    replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
+<span id="L378" class="LineNr"> 378 </span>  <span class="Conceal">¦</span> replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
 <span id="L379" class="LineNr"> 379 </span>  <span class="Comment">// update its body</span>
 <span id="L380" class="LineNr"> 380 </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#L138'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L381" class="LineNr"> 381 </span>    instruction&amp; inst = new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-<span id="L382" class="LineNr"> 382 </span>    <a href='003trace.cc.html#L161'>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;replacing in <a href='010vm.cc.html#L32'>instruction</a> '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L383" class="LineNr"> 383 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
-<span id="L384" class="LineNr"> 384 </span>      replace_type_ingredients<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
-<span id="L385" class="LineNr"> 385 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
-<span id="L386" class="LineNr"> 386 </span>      replace_type_ingredients<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
-<span id="L387" class="LineNr"> 387 </span>    <span class="Comment">// special-case for new: replace type ingredient in first ingredient *value*</span>
-<span id="L388" class="LineNr"> 388 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;new&quot;</span> &amp;&amp; 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">-&gt;</span>name != <span class="Constant">&quot;literal-string&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L389" class="LineNr"> 389 </span>      type_tree* type = <a href='056shape_shifting_recipe.cc.html#L454'>parse_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="L390" class="LineNr"> 390 </span>      replace_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
-<span id="L391" class="LineNr"> 391 </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 = inspect<span class="Delimiter">(</span>type<span class="Delimiter">);</span>
-<span id="L392" class="LineNr"> 392 </span>      <span class="Normal">delete</span> type<span class="Delimiter">;</span>
-<span id="L393" class="LineNr"> 393 </span>    <span class="Delimiter">}</span>
+<span id="L381" class="LineNr"> 381 </span>  <span class="Conceal">¦</span> instruction&amp; inst = new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
+<span id="L382" class="LineNr"> 382 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L161'>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;replacing in <a href='010vm.cc.html#L32'>instruction</a> '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L383" class="LineNr"> 383 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
+<span id="L384" class="LineNr"> 384 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> replace_type_ingredients<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
+<span id="L385" class="LineNr"> 385 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
+<span id="L386" class="LineNr"> 386 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> replace_type_ingredients<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
+<span id="L387" class="LineNr"> 387 </span>  <span class="Conceal">¦</span> <span class="Comment">// special-case for new: replace type ingredient in first ingredient *value*</span>
+<span id="L388" class="LineNr"> 388 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;new&quot;</span> &amp;&amp; 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">-&gt;</span>name != <span class="Constant">&quot;literal-string&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L389" class="LineNr"> 389 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> type_tree* type = <a href='056shape_shifting_recipe.cc.html#L454'>parse_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="L390" class="LineNr"> 390 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> replace_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
+<span id="L391" class="LineNr"> 391 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</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 = inspect<span class="Delimiter">(</span>type<span class="Delimiter">);</span>
+<span id="L392" class="LineNr"> 392 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">delete</span> type<span class="Delimiter">;</span>
+<span id="L393" class="LineNr"> 393 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
 <span id="L394" class="LineNr"> 394 </span>  <span class="Delimiter">}</span>
 <span id="L395" class="LineNr"> 395 </span><span class="Delimiter">}</span>
 <span id="L396" class="LineNr"> 396 </span>
@@ -463,8 +464,8 @@ if ('onhashchange' in window) {
 <span id="L398" class="LineNr"> 398 </span>  string before = <a href='028call_return.cc.html#L158'>to_string</a><span class="Delimiter">(</span>x<span class="Delimiter">);</span>
 <span id="L399" class="LineNr"> 399 </span>  <a href='003trace.cc.html#L161'>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;replacing in ingredient &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</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">)</span> <span class="Delimiter">{</span>
-<span id="L401" class="LineNr"> 401 </span>    <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;specializing &quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>original_name &lt;&lt; <span class="Constant">&quot;: missing type for '&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#L185'>end</a><span class="Delimiter">();</span>
-<span id="L402" class="LineNr"> 402 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L401" class="LineNr"> 401 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <span class="Constant">&quot;specializing &quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>original_name &lt;&lt; <span class="Constant">&quot;: missing type for '&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#L185'>end</a><span class="Delimiter">();</span>
+<span id="L402" class="LineNr"> 402 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L403" class="LineNr"> 403 </span>  <span class="Delimiter">}</span>
 <span id="L404" class="LineNr"> 404 </span>  replace_type_ingredients<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
 <span id="L405" class="LineNr"> 405 </span><span class="Delimiter">}</span>
@@ -472,30 +473,30 @@ if ('onhashchange' in window) {
 <span id="L407" class="LineNr"> 407 </span><span class="Normal">void</span> replace_type_ingredients<span class="Delimiter">(</span>type_tree* type<span class="Delimiter">,</span> <span class="Normal">const</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;&amp; mappings<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L408" class="LineNr"> 408 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L409" class="LineNr"> 409 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L410" class="LineNr"> 410 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right == <span class="Constant">NULL</span> &amp;&amp; type<span class="Delimiter">-&gt;</span>left != <span class="Constant">NULL</span> &amp;&amp; type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom &amp;&amp; contains_key<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> &amp;&amp; !get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)-&gt;</span>atom &amp;&amp; get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)-&gt;</span>right != <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L411" class="LineNr"> 411 </span>      *type = *get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
-<span id="L412" class="LineNr"> 412 </span>      <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L413" class="LineNr"> 413 </span>    <span class="Delimiter">}</span>
-<span id="L414" class="LineNr"> 414 </span>    replace_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
-<span id="L415" class="LineNr"> 415 </span>    replace_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
-<span id="L416" class="LineNr"> 416 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L410" class="LineNr"> 410 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right == <span class="Constant">NULL</span> &amp;&amp; type<span class="Delimiter">-&gt;</span>left != <span class="Constant">NULL</span> &amp;&amp; type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom &amp;&amp; contains_key<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> &amp;&amp; !get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)-&gt;</span>atom &amp;&amp; get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)-&gt;</span>right != <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+<span id="L411" class="LineNr"> 411 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> *type = *get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
+<span id="L412" class="LineNr"> 412 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L413" class="LineNr"> 413 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
+<span id="L414" class="LineNr"> 414 </span>  <span class="Conceal">¦</span> replace_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
+<span id="L415" class="LineNr"> 415 </span>  <span class="Conceal">¦</span> replace_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
+<span id="L416" class="LineNr"> 416 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L417" class="LineNr"> 417 </span>  <span class="Delimiter">}</span>
 <span id="L418" class="LineNr"> 418 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>contains_key<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span>  <span class="Comment">// todo: ugly side effect</span>
-<span id="L419" class="LineNr"> 419 </span>    type<span class="Delimiter">-&gt;</span>value = get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
+<span id="L419" class="LineNr"> 419 </span>  <span class="Conceal">¦</span> type<span class="Delimiter">-&gt;</span>value = get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
 <span id="L420" class="LineNr"> 420 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span>
-<span id="L421" class="LineNr"> 421 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L421" class="LineNr"> 421 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L422" class="LineNr"> 422 </span>  <span class="Normal">const</span> type_tree* replacement = get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
 <span id="L423" class="LineNr"> 423 </span>  <a href='003trace.cc.html#L161'>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; type<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot; =&gt; &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>replacement<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L424" class="LineNr"> 424 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>replacement<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L425" class="LineNr"> 425 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> replacement<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L426" class="LineNr"> 426 </span>      <span class="Comment">// error in program; should be reported elsewhere</span>
-<span id="L427" class="LineNr"> 427 </span>      <span class="Identifier">return</span><span class="Delimiter">;</span>
-<span id="L428" class="LineNr"> 428 </span>    <span class="Delimiter">}</span>
-<span id="L429" class="LineNr"> 429 </span>    type<span class="Delimiter">-&gt;</span>name = <span class="Delimiter">(</span>replacement<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">)</span> ? <span class="Constant">&quot;number&quot;</span> : replacement<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
-<span id="L430" class="LineNr"> 430 </span>    type<span class="Delimiter">-&gt;</span>value = get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
+<span id="L425" class="LineNr"> 425 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> replacement<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
+<span id="L426" class="LineNr"> 426 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Comment">// error in program; should be reported elsewhere</span>
+<span id="L427" class="LineNr"> 427 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L428" class="LineNr"> 428 </span>  <span class="Conceal">¦</span> <span class="Delimiter">}</span>
+<span id="L429" class="LineNr"> 429 </span>  <span class="Conceal">¦</span> type<span class="Delimiter">-&gt;</span>name = <span class="Delimiter">(</span>replacement<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">)</span> ? <span class="Constant">&quot;number&quot;</span> : replacement<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
+<span id="L430" class="LineNr"> 430 </span>  <span class="Conceal">¦</span> type<span class="Delimiter">-&gt;</span>value = get<span class="Delimiter">(</span>Type_ordinal<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<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">else</span> <span class="Delimiter">{</span>
-<span id="L433" class="LineNr"> 433 </span>    *type = *replacement<span class="Delimiter">;</span>
+<span id="L433" class="LineNr"> 433 </span>  <span class="Conceal">¦</span> *type = *replacement<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>
@@ -503,9 +504,9 @@ if ('onhashchange' in window) {
 <span id="L438" class="LineNr"> 438 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> variant<span class="Delimiter">);</span>
 <span id="L439" class="LineNr"> 439 </span>  set&lt;string&gt; type_ingredients<span class="Delimiter">;</span>
 <span id="L440" class="LineNr"> 440 </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#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L441" class="LineNr"> 441 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">,</span> type_ingredients<span class="Delimiter">);</span>
+<span id="L441" class="LineNr"> 441 </span>  <span class="Conceal">¦</span> accumulate_type_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">,</span> type_ingredients<span class="Delimiter">);</span>
 <span id="L442" class="LineNr"> 442 </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#L138'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L443" class="LineNr"> 443 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">,</span> type_ingredients<span class="Delimiter">);</span>
+<span id="L443" class="LineNr"> 443 </span>  <span class="Conceal">¦</span> accumulate_type_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">,</span> type_ingredients<span class="Delimiter">);</span>
 <span id="L444" class="LineNr"> 444 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>type_ingredients<span class="Delimiter">);</span>
 <span id="L445" class="LineNr"> 445 </span><span class="Delimiter">}</span>
 <span id="L446" class="LineNr"> 446 </span>
@@ -531,16 +532,16 @@ if ('onhashchange' in window) {
 <span id="L466" class="LineNr"> 466 </span>
 <span id="L467" class="LineNr"> 467 </span><span class="Normal">void</span> <a href='056shape_shifting_recipe.cc.html#L467'>dump_inspect</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="L468" class="LineNr"> 468 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">-&gt;</span>left &amp;&amp; !x<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L469" class="LineNr"> 469 </span>    out &lt;&lt; x<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
-<span id="L470" class="LineNr"> 470 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L469" class="LineNr"> 469 </span>  <span class="Conceal">¦</span> out &lt;&lt; x<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
+<span id="L470" class="LineNr"> 470 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L471" class="LineNr"> 471 </span>  <span class="Delimiter">}</span>
 <span id="L472" class="LineNr"> 472 </span>  out &lt;&lt; <span class="Constant">'('</span><span class="Delimiter">;</span>
 <span id="L473" class="LineNr"> 473 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">const</span> type_tree* curr = x<span class="Delimiter">;</span>  curr<span class="Delimiter">;</span>  curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L474" class="LineNr"> 474 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>curr != x<span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
-<span id="L475" class="LineNr"> 475 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span>
-<span id="L476" class="LineNr"> 476 </span>      <a href='056shape_shifting_recipe.cc.html#L467'>dump_inspect</a><span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
-<span id="L477" class="LineNr"> 477 </span>    <span class="Normal">else</span>
-<span id="L478" class="LineNr"> 478 </span>      out &lt;&lt; curr<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
+<span id="L474" class="LineNr"> 474 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr != x<span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
+<span id="L475" class="LineNr"> 475 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span>
+<span id="L476" class="LineNr"> 476 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='056shape_shifting_recipe.cc.html#L467'>dump_inspect</a><span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
+<span id="L477" class="LineNr"> 477 </span>  <span class="Conceal">¦</span> <span class="Normal">else</span>
+<span id="L478" class="LineNr"> 478 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> out &lt;&lt; curr<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
 <span id="L479" class="LineNr"> 479 </span>  <span class="Delimiter">}</span>
 <span id="L480" class="LineNr"> 480 </span>  out &lt;&lt; <span class="Constant">')'</span><span class="Delimiter">;</span>
 <span id="L481" class="LineNr"> 481 </span><span class="Delimiter">}</span>
@@ -548,27 +549,27 @@ if ('onhashchange' in window) {
 <span id="L483" class="LineNr"> 483 </span><span class="Normal">void</span> ensure_all_concrete_types<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">const</span><span class="Comment">*/</span> recipe&amp; new_recipe<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; exemplar<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L484" class="LineNr"> 484 </span>  <a href='003trace.cc.html#L161'>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;-- ensure all concrete types in <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; new_recipe<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
 <span id="L485" class="LineNr"> 485 </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#L138'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L486" class="LineNr"> 486 </span>    ensure_all_concrete_types<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
+<span id="L486" class="LineNr"> 486 </span>  <span class="Conceal">¦</span> ensure_all_concrete_types<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
 <span id="L487" class="LineNr"> 487 </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#L138'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
-<span id="L488" class="LineNr"> 488 </span>    ensure_all_concrete_types<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
+<span id="L488" class="LineNr"> 488 </span>  <span class="Conceal">¦</span> ensure_all_concrete_types<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
 <span id="L489" class="LineNr"> 489 </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#L138'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L490" class="LineNr"> 490 </span>    instruction&amp; inst = new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
-<span id="L491" class="LineNr"> 491 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
-<span id="L492" class="LineNr"> 492 </span>      ensure_all_concrete_types<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
-<span id="L493" class="LineNr"> 493 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
-<span id="L494" class="LineNr"> 494 </span>      ensure_all_concrete_types<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
+<span id="L490" class="LineNr"> 490 </span>  <span class="Conceal">¦</span> instruction&amp; inst = new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
+<span id="L491" class="LineNr"> 491 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
+<span id="L492" class="LineNr"> 492 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> ensure_all_concrete_types<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
+<span id="L493" class="LineNr"> 493 </span>  <span class="Conceal">¦</span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L138'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
+<span id="L494" class="LineNr"> 494 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> ensure_all_concrete_types<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
 <span id="L495" class="LineNr"> 495 </span>  <span class="Delimiter">}</span>
 <span id="L496" class="LineNr"> 496 </span><span class="Delimiter">}</span>
 <span id="L497" class="LineNr"> 497 </span>
 <span id="L498" class="LineNr"> 498 </span><span class="Normal">void</span> ensure_all_concrete_types<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">const</span><span class="Comment">*/</span> reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; exemplar<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L499" class="LineNr"> 499 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type || contains_type_ingredient_name<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L500" class="LineNr"> 500 </span>    <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;failed to map a type to &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L501" class="LineNr"> 501 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> x<span class="Delimiter">.</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">&quot;&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>  <span class="Comment">// just to prevent crashes later</span>
-<span id="L502" class="LineNr"> 502 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L500" class="LineNr"> 500 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;failed to map a type to &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L501" class="LineNr"> 501 </span>  <span class="Conceal">¦</span> <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> x<span class="Delimiter">.</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">&quot;&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>  <span class="Comment">// just to prevent crashes later</span>
+<span id="L502" class="LineNr"> 502 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L503" class="LineNr"> 503 </span>  <span class="Delimiter">}</span>
 <span id="L504" class="LineNr"> 504 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L505" class="LineNr"> 505 </span>    <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;failed to map a type to the unknown &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
-<span id="L506" class="LineNr"> 506 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
+<span id="L505" class="LineNr"> 505 </span>  <span class="Conceal">¦</span> <a href='003trace.cc.html#L168'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;failed to map a type to the unknown &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L185'>end</a><span class="Delimiter">();</span>
+<span id="L506" class="LineNr"> 506 </span>  <span class="Conceal">¦</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
 <span id="L507" class="LineNr"> 507 </span>  <span class="Delimiter">}</span>
 <span id="L508" class="LineNr"> 508 </span><span class="Delimiter">}</span>
 <span id="L509" class="LineNr"> 509 </span>
@@ -707,21 +708,21 @@ if ('onhashchange' in window) {
 <span id="L642" class="LineNr"> 642 </span><span class="Comment">// this one needs a little more fine-grained control</span>
 <span id="L643" class="LineNr"> 643 </span><span class="Normal">void</span> <a href='056shape_shifting_recipe.cc.html#L643'>test_shape_shifting_new_ingredient_does_not_pollute_global_namespace</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
 <span id="L644" class="LineNr"> 644 </span>  <span class="Comment">// if you specialize a shape-shifting recipe that allocates a type-ingredient..</span>
-<span id="L645" class="LineNr"> 645 </span>  <a href='012transform.cc.html#L98'>transform</a><span class="Delimiter">(</span><span class="Constant">&quot;def barz x:_elem [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L646" class="LineNr"> 646 </span>            <span class="Constant">&quot;  local-scope</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L647" class="LineNr"> 647 </span>            <span class="Constant">&quot;  load-ingredients</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L648" class="LineNr"> 648 </span>            <span class="Constant">&quot;  y:&amp;:num &lt;- new _elem:type</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L649" class="LineNr"> 649 </span>            <span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L650" class="LineNr"> 650 </span>            <span class="Constant">&quot;def fooz [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L651" class="LineNr"> 651 </span>            <span class="Constant">&quot;  local-scope</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L652" class="LineNr"> 652 </span>            <span class="Constant">&quot;  barz 34</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L653" class="LineNr"> 653 </span>            <span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">);</span>
+<span id="L645" class="LineNr"> 645 </span>  <a href='012transform.cc.html#L99'>transform</a><span class="Delimiter">(</span><span class="Constant">&quot;def barz x:_elem [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
+<span id="L646" class="LineNr"> 646 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;  local-scope</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
+<span id="L647" class="LineNr"> 647 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;  load-ingredients</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
+<span id="L648" class="LineNr"> 648 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;  y:&amp;:num &lt;- new _elem:type</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
+<span id="L649" class="LineNr"> 649 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
+<span id="L650" class="LineNr"> 650 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;def fooz [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
+<span id="L651" class="LineNr"> 651 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;  local-scope</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
+<span id="L652" class="LineNr"> 652 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;  barz 34</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
+<span id="L653" class="LineNr"> 653 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">);</span>
 <span id="L654" class="LineNr"> 654 </span>  <span class="Comment">// ..and if you then try to load a new shape-shifting container with that</span>
 <span id="L655" class="LineNr"> 655 </span>  <span class="Comment">// type-ingredient</span>
 <span id="L656" class="LineNr"> 656 </span>  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo:_elem [</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L657" class="LineNr"> 657 </span>      <span class="Constant">&quot;  x:_elem</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L658" class="LineNr"> 658 </span>      <span class="Constant">&quot;  y:num</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
-<span id="L659" class="LineNr"> 659 </span>      <span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">);</span>
+<span id="L657" class="LineNr"> 657 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;  x:_elem</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
+<span id="L658" class="LineNr"> 658 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;  y:num</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
+<span id="L659" class="LineNr"> 659 </span>  <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Constant">&quot;]</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">);</span>
 <span id="L660" class="LineNr"> 660 </span>  <span class="Comment">// then it should work as usual</span>
 <span id="L661" class="LineNr"> 661 </span>  reagent callsite<span class="Delimiter">(</span><span class="Constant">&quot;x:foo:point&quot;</span><span class="Delimiter">);</span>
 <span id="L662" class="LineNr"> 662 </span>  reagent element = <a href='030container.cc.html#L430'>element_type</a><span class="Delimiter">(</span>callsite<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
@@ -960,8 +961,8 @@ if ('onhashchange' in window) {
 <span id="L895" class="LineNr"> 895 </span>  local-scope
 <span id="L896" class="LineNr"> 896 </span>  load-ingredients
 <span id="L897" class="LineNr"> 897 </span>  <span class="Delimiter">{</span>
-<span id="L898" class="LineNr"> 898 </span>    <span class="Identifier">break</span>
-<span id="L899" class="LineNr"> 899 </span>    <span class="Normal">y</span>:num<span class="Special"> &lt;- </span>foo x
+<span id="L898" class="LineNr"> 898 </span>  <span class="Conceal">¦</span> <span class="Identifier">break</span>
+<span id="L899" class="LineNr"> 899 </span>  <span class="Conceal">¦</span> <span class="Normal">y</span>:num<span class="Special"> &lt;- </span>foo x
 <span id="L900" class="LineNr"> 900 </span>  <span class="Delimiter">}</span>
 <span id="L901" class="LineNr"> 901 </span>  <span class="Identifier">return</span> y
 <span id="L902" class="LineNr"> 902 </span>]