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+++ /dev/null
@@ -1,808 +0,0 @@
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-<head>
-<meta http-equiv="content-type" content="text/html; charset=UTF-8">
-<title>Mu - shell/eval.mu</title>
-<meta name="Generator" content="Vim/8.1">
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-<a href='https://github.com/akkartik/mu/blob/main/shell/eval.mu'>https://github.com/akkartik/mu/blob/main/shell/eval.mu</a>
-<pre id='vimCodeElement'>
-<span id="L1" class="LineNr">  1 </span><span class="muComment"># env is an alist of ((sym . val) (sym . val) ...)</span>
-<span id="L2" class="LineNr">  2 </span><span class="muComment"># we never modify `in` or `env`</span>
-<span id="L3" class="LineNr">  3 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='eval.mu.html#L3'>evaluate</a></span> _in: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L4" class="LineNr">  4 </span>  <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L5" class="Folded">  5 </span><span class="Folded">+-- 12 lines: # trace &quot;evaluate &quot; in &quot; in environment &quot; env -----------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L17" class="LineNr"> 17 </span>  <a href='trace.mu.html#L128'>trace-lower</a> trace
-<span id="L18" class="LineNr"> 18 </span>  <span class="PreProc">var</span> in-addr/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *in
-<span id="L19" class="LineNr"> 19 </span>  <span class="Delimiter">{</span>
-<span id="L20" class="LineNr"> 20 </span>    <span class="PreProc">var</span> <a href='print.mu.html#L116'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L116'>nil?</a> in-addr
-<span id="L21" class="LineNr"> 21 </span>    compare <a href='print.mu.html#L116'>nil?</a>, <span class="Constant">0</span>/false
-<span id="L22" class="LineNr"> 22 </span>    <span class="PreProc">break-if-=</span>
-<span id="L23" class="LineNr"> 23 </span>    <span class="muComment"># nil is a literal</span>
-<span id="L24" class="LineNr"> 24 </span>    <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;nil&quot;</span>
-<span id="L25" class="LineNr"> 25 </span>    copy-object _in, out
-<span id="L26" class="LineNr"> 26 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L27" class="LineNr"> 27 </span>    <span class="PreProc">return</span>
-<span id="L28" class="LineNr"> 28 </span>  <span class="Delimiter">}</span>
-<span id="L29" class="LineNr"> 29 </span>  <span class="PreProc">var</span> in-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get in-addr, <span class="PreProc">type</span>
-<span id="L30" class="LineNr"> 30 </span>  compare *in-type, <span class="Constant">1</span>/number
-<span id="L31" class="LineNr"> 31 </span>  <span class="Delimiter">{</span>
-<span id="L32" class="LineNr"> 32 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L33" class="LineNr"> 33 </span>    <span class="muComment"># numbers are literals</span>
-<span id="L34" class="LineNr"> 34 </span>    <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;number&quot;</span>
-<span id="L35" class="LineNr"> 35 </span>    copy-object _in, out
-<span id="L36" class="LineNr"> 36 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L37" class="LineNr"> 37 </span>    <span class="PreProc">return</span>
-<span id="L38" class="LineNr"> 38 </span>  <span class="Delimiter">}</span>
-<span id="L39" class="LineNr"> 39 </span>  compare *in-type, <span class="Constant">2</span>/symbol
-<span id="L40" class="LineNr"> 40 </span>  <span class="Delimiter">{</span>
-<span id="L41" class="LineNr"> 41 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L42" class="LineNr"> 42 </span>    <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;symbol&quot;</span>
-<span id="L43" class="LineNr"> 43 </span>    <a href='eval.mu.html#L321'>lookup-symbol</a> in-addr, out, env-h, trace
-<span id="L44" class="LineNr"> 44 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L45" class="LineNr"> 45 </span>    <span class="PreProc">return</span>
-<span id="L46" class="LineNr"> 46 </span>  <span class="Delimiter">}</span>
-<span id="L47" class="LineNr"> 47 </span>  <span class="muComment"># in-addr is a syntax tree</span>
-<span id="L48" class="LineNr"> 48 </span>  $evaluate:anonymous-function: <span class="Delimiter">{</span>
-<span id="L49" class="LineNr"> 49 </span>    <span class="muComment"># trees starting with &quot;fn&quot; are anonymous functions and therefore literals</span>
-<span id="L50" class="LineNr"> 50 </span>    <span class="PreProc">var</span> expr/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in-addr
-<span id="L51" class="LineNr"> 51 </span>    <span class="muComment"># if its first elem is not &quot;fn&quot;, break</span>
-<span id="L52" class="LineNr"> 52 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in-addr, left
-<span id="L53" class="LineNr"> 53 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *first-ah
-<span id="L54" class="LineNr"> 54 </span>    <span class="PreProc">var</span> <a href='eval.mu.html#L694'>fn?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='eval.mu.html#L694'>fn?</a> first
-<span id="L55" class="LineNr"> 55 </span>    compare <a href='eval.mu.html#L694'>fn?</a>, <span class="Constant">0</span>/false
-<span id="L56" class="LineNr"> 56 </span>    <span class="PreProc">break-if-=</span>
-<span id="L57" class="LineNr"> 57 </span>    <span class="muComment">#</span>
-<span id="L58" class="LineNr"> 58 </span>    <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;anonymous function&quot;</span>
-<span id="L59" class="LineNr"> 59 </span>    copy-object _in, out
-<span id="L60" class="LineNr"> 60 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L61" class="LineNr"> 61 </span>    <span class="PreProc">return</span>
-<span id="L62" class="LineNr"> 62 </span>  <span class="Delimiter">}</span>
-<span id="L63" class="LineNr"> 63 </span>  <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;function call&quot;</span>
-<span id="L64" class="LineNr"> 64 </span>  <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;evaluating list elements&quot;</span>
-<span id="L65" class="LineNr"> 65 </span>  <span class="PreProc">var</span> evaluated-list-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L66" class="LineNr"> 66 </span>  <span class="PreProc">var</span> evaluated-list-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address evaluated-list-storage
-<span id="L67" class="LineNr"> 67 </span>  <span class="PreProc">var</span> curr-out-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy evaluated-list-ah
-<span id="L68" class="LineNr"> 68 </span>  <span class="PreProc">var</span> curr/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy in-addr
-<span id="L69" class="LineNr"> 69 </span>  $evaluate-list:<span class="PreProc">loop</span>: <span class="Delimiter">{</span>
-<span id="L70" class="LineNr"> 70 </span>    <a href='cell.mu.html#L73'>allocate-pair</a> curr-out-ah
-<span id="L71" class="LineNr"> 71 </span>    <span class="PreProc">var</span> <a href='print.mu.html#L116'>nil?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L116'>nil?</a> curr
-<span id="L72" class="LineNr"> 72 </span>    compare <a href='print.mu.html#L116'>nil?</a>, <span class="Constant">0</span>/false
-<span id="L73" class="LineNr"> 73 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L74" class="LineNr"> 74 </span>    <span class="muComment"># eval left</span>
-<span id="L75" class="LineNr"> 75 </span>    <span class="PreProc">var</span> curr-out/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *curr-out-ah
-<span id="L76" class="LineNr"> 76 </span>    <span class="PreProc">var</span> left-out-ah/<span class="Constant">edi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr-out, left
-<span id="L77" class="LineNr"> 77 </span>    <span class="PreProc">var</span> left-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr, left
-<span id="L78" class="LineNr"> 78 </span>    <a href='eval.mu.html#L3'>evaluate</a> left-ah, left-out-ah, env-h, trace
-<span id="L79" class="LineNr"> 79 </span>    <span class="muComment">#</span>
-<span id="L80" class="LineNr"> 80 </span>    curr-out-ah <span class="Special">&lt;-</span> get curr-out, right
-<span id="L81" class="LineNr"> 81 </span>    <span class="PreProc">var</span> right-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get curr, right
-<span id="L82" class="LineNr"> 82 </span>    <span class="PreProc">var</span> right/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *right-ah
-<span id="L83" class="LineNr"> 83 </span>    curr <span class="Special">&lt;-</span> copy right
-<span id="L84" class="LineNr"> 84 </span>    <span class="PreProc">loop</span>
-<span id="L85" class="LineNr"> 85 </span>  <span class="Delimiter">}</span>
-<span id="L86" class="LineNr"> 86 </span>  <span class="PreProc">var</span> evaluated-list/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *evaluated-list-ah
-<span id="L87" class="LineNr"> 87 </span>  <span class="PreProc">var</span> function-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get evaluated-list, left
-<span id="L88" class="LineNr"> 88 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get evaluated-list, right
-<span id="L89" class="LineNr"> 89 </span><span class="CommentedCode">#?   dump-cell args-ah</span>
-<span id="L90" class="LineNr"> 90 </span><span class="CommentedCode">#?   abort &quot;aaa&quot;</span>
-<span id="L91" class="LineNr"> 91 </span>  <a href='eval.mu.html#L104'>apply</a> function-ah, args-ah, out, env-h, trace
-<span id="L92" class="LineNr"> 92 </span>  <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L93" class="Folded"> 93 </span><span class="Folded">+--  9 lines: # trace &quot;=&gt; &quot; out ---------------------------------------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L102" class="LineNr">102 </span><span class="Delimiter">}</span>
-<span id="L103" class="LineNr">103 </span>
-<span id="L104" class="LineNr">104 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='eval.mu.html#L104'>apply</a></span> _f-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L105" class="LineNr">105 </span>  <span class="PreProc">var</span> f-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _f-ah
-<span id="L106" class="LineNr">106 </span>  <span class="PreProc">var</span> _f/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *f-ah
-<span id="L107" class="LineNr">107 </span>  <span class="PreProc">var</span> f/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _f
-<span id="L108" class="LineNr">108 </span>  <span class="muComment"># call primitive functions</span>
-<span id="L109" class="LineNr">109 </span>  <span class="Delimiter">{</span>
-<span id="L110" class="LineNr">110 </span>    <span class="PreProc">var</span> f-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get f, <span class="PreProc">type</span>
-<span id="L111" class="LineNr">111 </span>    compare *f-type, <span class="Constant">4</span>/primitive-function
-<span id="L112" class="LineNr">112 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L113" class="LineNr">113 </span>    <a href='eval.mu.html#L261'>apply-primitive</a> f, args-ah, out, env-h, trace
-<span id="L114" class="LineNr">114 </span>    <span class="PreProc">return</span>
-<span id="L115" class="LineNr">115 </span>  <span class="Delimiter">}</span>
-<span id="L116" class="LineNr">116 </span>  <span class="muComment"># if it's not a primitive function it must be an anonymous function</span>
-<span id="L117" class="Folded">117 </span><span class="Folded">+-- 12 lines: # trace &quot;apply anonymous function &quot; f &quot; in environment &quot; env --------------------------------------------------------------------------------------------------------------</span>
-<span id="L129" class="LineNr">129 </span>  <a href='trace.mu.html#L128'>trace-lower</a> trace
-<span id="L130" class="LineNr">130 </span>  <span class="Delimiter">{</span>
-<span id="L131" class="LineNr">131 </span>    <span class="PreProc">var</span> f-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get f, <span class="PreProc">type</span>
-<span id="L132" class="LineNr">132 </span>    compare *f-type, <span class="Constant">0</span>/pair
-<span id="L133" class="LineNr">133 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L134" class="LineNr">134 </span>    <span class="PreProc">var</span> first-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get f, left
-<span id="L135" class="LineNr">135 </span>    <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *first-ah
-<span id="L136" class="LineNr">136 </span>    <span class="PreProc">var</span> <a href='eval.mu.html#L694'>fn?</a>/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='eval.mu.html#L694'>fn?</a> first
-<span id="L137" class="LineNr">137 </span>    compare <a href='eval.mu.html#L694'>fn?</a>, <span class="Constant">0</span>/false
-<span id="L138" class="LineNr">138 </span>    <span class="PreProc">break-if-=</span>
-<span id="L139" class="LineNr">139 </span>    <span class="PreProc">var</span> rest-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get f, right
-<span id="L140" class="LineNr">140 </span>    <span class="PreProc">var</span> rest/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *rest-ah
-<span id="L141" class="LineNr">141 </span>    <span class="PreProc">var</span> params-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, left
-<span id="L142" class="LineNr">142 </span>    <span class="PreProc">var</span> body-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get rest, right
-<span id="L143" class="LineNr">143 </span>    <a href='eval.mu.html#L150'>apply-function</a> params-ah, args-ah, body-ah, out, env-h, trace
-<span id="L144" class="LineNr">144 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L145" class="LineNr">145 </span>    <span class="PreProc">return</span>
-<span id="L146" class="LineNr">146 </span>  <span class="Delimiter">}</span>
-<span id="L147" class="LineNr">147 </span>  <span class="Special"><a href='trace.mu.html#L110'>error</a></span> trace, <span class="Constant">&quot;unknown function&quot;</span>
-<span id="L148" class="LineNr">148 </span><span class="Delimiter">}</span>
-<span id="L149" class="LineNr">149 </span>
-<span id="L150" class="LineNr">150 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='eval.mu.html#L150'>apply-function</a></span> params-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), _body-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L151" class="LineNr">151 </span>  <span class="muComment"># push bindings for params to env</span>
-<span id="L152" class="LineNr">152 </span>  <span class="PreProc">var</span> new-env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L153" class="LineNr">153 </span>  <span class="PreProc">var</span> new-env-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address new-env-storage
-<span id="L154" class="LineNr">154 </span>  <a href='eval.mu.html#L188'>push-bindings</a> params-ah, args-ah, env-h, new-env-ah, trace
-<span id="L155" class="LineNr">155 </span>  <span class="muComment"># eval all expressions in body, writing result to `out` each time</span>
-<span id="L156" class="LineNr">156 </span>  <span class="PreProc">var</span> body-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _body-ah
-<span id="L157" class="LineNr">157 </span>  $apply-function:body: <span class="Delimiter">{</span>
-<span id="L158" class="LineNr">158 </span>    <span class="PreProc">var</span> body/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *body-ah
-<span id="L159" class="LineNr">159 </span>    <span class="muComment"># stop when body is nil</span>
-<span id="L160" class="LineNr">160 </span>    <span class="Delimiter">{</span>
-<span id="L161" class="LineNr">161 </span>      <span class="PreProc">var</span> body-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L116'>nil?</a> body
-<span id="L162" class="LineNr">162 </span>      compare body-nil?, <span class="Constant">0</span>/false
-<span id="L163" class="LineNr">163 </span>      <span class="PreProc">break-if-!=</span> $apply-function:body
-<span id="L164" class="LineNr">164 </span>    <span class="Delimiter">}</span>
-<span id="L165" class="LineNr">165 </span>    <span class="muComment"># evaluate each expression, writing result to `out`</span>
-<span id="L166" class="LineNr">166 </span>    <span class="Delimiter">{</span>
-<span id="L167" class="LineNr">167 </span>      <span class="PreProc">var</span> curr-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get body, left
-<span id="L168" class="LineNr">168 </span>      <a href='eval.mu.html#L3'>evaluate</a> curr-ah, out, *new-env-ah, trace
-<span id="L169" class="LineNr">169 </span>    <span class="Delimiter">}</span>
-<span id="L170" class="LineNr">170 </span>    <span class="muComment">#</span>
-<span id="L171" class="LineNr">171 </span>    body-ah <span class="Special">&lt;-</span> get body, right
-<span id="L172" class="LineNr">172 </span>    <span class="PreProc">loop</span>
-<span id="L173" class="LineNr">173 </span>  <span class="Delimiter">}</span>
-<span id="L174" class="LineNr">174 </span>  <span class="muComment"># `out` contains result of evaluating final expression</span>
-<span id="L175" class="LineNr">175 </span><span class="Delimiter">}</span>
-<span id="L176" class="LineNr">176 </span>
-<span id="L177" class="LineNr">177 </span><span class="muComment"># Bind params to corresponding args and add the bindings to old-env. Return</span>
-<span id="L178" class="LineNr">178 </span><span class="muComment"># the result in env-ah.</span>
-<span id="L179" class="LineNr">179 </span><span class="muComment">#</span>
-<span id="L180" class="LineNr">180 </span><span class="muComment"># We never modify old-env, but we point to it. This way other parts of the</span>
-<span id="L181" class="LineNr">181 </span><span class="muComment"># interpreter can continue using old-env, and everything works harmoniously</span>
-<span id="L182" class="LineNr">182 </span><span class="muComment"># even though no cells are copied around.</span>
-<span id="L183" class="LineNr">183 </span><span class="muComment">#</span>
-<span id="L184" class="LineNr">184 </span><span class="muComment"># env should always be a DAG (ignoring internals of values). It doesn't have</span>
-<span id="L185" class="LineNr">185 </span><span class="muComment"># to be a tree (some values may be shared), but there are also no cycles.</span>
-<span id="L186" class="LineNr">186 </span><span class="muComment">#</span>
-<span id="L187" class="LineNr">187 </span><span class="muComment"># Learn more: <a href="https://en.wikipedia.org/wiki/Persistent_data_structure">https://en.wikipedia.org/wiki/Persistent_data_structure</a></span>
-<span id="L188" class="LineNr">188 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='eval.mu.html#L188'>push-bindings</a></span> _params-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), old-env-h: (handle <a href='cell.mu.html#L1'>cell</a>), env-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L189" class="LineNr">189 </span>  <span class="PreProc">var</span> params-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _params-ah
-<span id="L190" class="LineNr">190 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
-<span id="L191" class="LineNr">191 </span>  <span class="PreProc">var</span> _params/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *params-ah
-<span id="L192" class="LineNr">192 </span>  <span class="PreProc">var</span> params/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _params
-<span id="L193" class="LineNr">193 </span>  <span class="Delimiter">{</span>
-<span id="L194" class="LineNr">194 </span>    <span class="PreProc">var</span> params-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L116'>nil?</a> params
-<span id="L195" class="LineNr">195 </span>    compare params-nil?, <span class="Constant">0</span>/false
-<span id="L196" class="LineNr">196 </span>    <span class="PreProc">break-if-=</span>
-<span id="L197" class="LineNr">197 </span>    <span class="muComment"># nil is a literal</span>
-<span id="L198" class="LineNr">198 </span>    <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;done with push-bindings&quot;</span>
-<span id="L199" class="LineNr">199 </span>    <a href='../120allocate.subx.html#L455'>copy-handle</a> old-env-h, env-ah
-<span id="L200" class="LineNr">200 </span>    <span class="PreProc">return</span>
-<span id="L201" class="LineNr">201 </span>  <span class="Delimiter">}</span>
-<span id="L202" class="LineNr">202 </span>  <span class="muComment"># Params can only be symbols or pairs. Args can be anything.</span>
-<span id="L203" class="Folded">203 </span><span class="Folded">+-- 14 lines: # trace &quot;pushing bindings from &quot; params &quot; to &quot; args -----------------------------------------------------------------------------------------------------------------------</span>
-<span id="L217" class="LineNr">217 </span>  <a href='trace.mu.html#L128'>trace-lower</a> trace
-<span id="L218" class="LineNr">218 </span>  <span class="PreProc">var</span> params-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get params, <span class="PreProc">type</span>
-<span id="L219" class="LineNr">219 </span>  compare *params-type, <span class="Constant">2</span>/symbol
-<span id="L220" class="LineNr">220 </span>  <span class="Delimiter">{</span>
-<span id="L221" class="LineNr">221 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L222" class="LineNr">222 </span>    <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;symbol; binding to all remaining args&quot;</span>
-<span id="L223" class="LineNr">223 </span>    <span class="muComment"># create a new binding</span>
-<span id="L224" class="LineNr">224 </span>    <span class="PreProc">var</span> new-binding-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L225" class="LineNr">225 </span>    <span class="PreProc">var</span> new-binding-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address new-binding-storage
-<span id="L226" class="LineNr">226 </span>    <a href='cell.mu.html#L88'>new-pair</a> new-binding-ah, *params-ah, *args-ah
-<span id="L227" class="LineNr">227 </span>    <span class="muComment"># push it to env</span>
-<span id="L228" class="LineNr">228 </span>    <a href='cell.mu.html#L88'>new-pair</a> env-ah, *new-binding-ah, old-env-h
-<span id="L229" class="LineNr">229 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L230" class="LineNr">230 </span>    <span class="PreProc">return</span>
-<span id="L231" class="LineNr">231 </span>  <span class="Delimiter">}</span>
-<span id="L232" class="LineNr">232 </span>  compare *params-type, <span class="Constant">0</span>/pair
-<span id="L233" class="LineNr">233 </span>  <span class="Delimiter">{</span>
-<span id="L234" class="LineNr">234 </span>    <span class="PreProc">break-if-=</span>
-<span id="L235" class="LineNr">235 </span>    <span class="Special"><a href='trace.mu.html#L110'>error</a></span> trace, <span class="Constant">&quot;cannot bind a non-symbol&quot;</span>
-<span id="L236" class="LineNr">236 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L237" class="LineNr">237 </span>    <span class="PreProc">return</span>
-<span id="L238" class="LineNr">238 </span>  <span class="Delimiter">}</span>
-<span id="L239" class="LineNr">239 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *args-ah
-<span id="L240" class="LineNr">240 </span>  <span class="PreProc">var</span> args/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
-<span id="L241" class="LineNr">241 </span>  <span class="muComment"># params is now a pair, so args must be also</span>
-<span id="L242" class="LineNr">242 </span>  <span class="PreProc">var</span> args-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get args, <span class="PreProc">type</span>
-<span id="L243" class="LineNr">243 </span>  compare *args-type, <span class="Constant">0</span>/pair
-<span id="L244" class="LineNr">244 </span>  <span class="Delimiter">{</span>
-<span id="L245" class="LineNr">245 </span>    <span class="PreProc">break-if-=</span>
-<span id="L246" class="LineNr">246 </span>    <span class="Special"><a href='trace.mu.html#L110'>error</a></span> trace, <span class="Constant">&quot;args not in a proper list&quot;</span>
-<span id="L247" class="LineNr">247 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L248" class="LineNr">248 </span>    <span class="PreProc">return</span>
-<span id="L249" class="LineNr">249 </span>  <span class="Delimiter">}</span>
-<span id="L250" class="LineNr">250 </span>  <span class="PreProc">var</span> intermediate-env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L251" class="LineNr">251 </span>  <span class="PreProc">var</span> intermediate-env-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address intermediate-env-storage
-<span id="L252" class="LineNr">252 </span>  <span class="PreProc">var</span> first-param-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get params, left
-<span id="L253" class="LineNr">253 </span>  <span class="PreProc">var</span> first-arg-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get args, left
-<span id="L254" class="LineNr">254 </span>  <a href='eval.mu.html#L188'>push-bindings</a> first-param-ah, first-arg-ah, old-env-h, intermediate-env-ah, trace
-<span id="L255" class="LineNr">255 </span>  <span class="PreProc">var</span> remaining-params-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get params, right
-<span id="L256" class="LineNr">256 </span>  <span class="PreProc">var</span> remaining-args-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get args, right
-<span id="L257" class="LineNr">257 </span>  <a href='eval.mu.html#L188'>push-bindings</a> remaining-params-ah, remaining-args-ah, *intermediate-env-ah, env-ah, trace
-<span id="L258" class="LineNr">258 </span>  <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L259" class="LineNr">259 </span><span class="Delimiter">}</span>
-<span id="L260" class="LineNr">260 </span>
-<span id="L261" class="LineNr">261 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='eval.mu.html#L261'>apply-primitive</a></span> _f: (addr <a href='cell.mu.html#L1'>cell</a>), args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L262" class="LineNr">262 </span>  <span class="PreProc">var</span> f/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _f
-<span id="L263" class="LineNr">263 </span>  <span class="PreProc">var</span> f-index/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get f, index-data
-<span id="L264" class="LineNr">264 </span>  <span class="Delimiter">{</span>
-<span id="L265" class="LineNr">265 </span>    compare *f-index, <span class="Constant">1</span>/add
-<span id="L266" class="LineNr">266 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L267" class="LineNr">267 </span>    <a href='eval.mu.html#L273'>apply-add</a> args-ah, out, env-h, trace
-<span id="L268" class="LineNr">268 </span>    <span class="PreProc">return</span>
-<span id="L269" class="LineNr">269 </span>  <span class="Delimiter">}</span>
-<span id="L270" class="LineNr">270 </span>  <a href='../501draw-text.mu.html#L459'>abort</a> <span class="Constant">&quot;unknown primitive function&quot;</span>
-<span id="L271" class="LineNr">271 </span><span class="Delimiter">}</span>
-<span id="L272" class="LineNr">272 </span>
-<span id="L273" class="LineNr">273 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='eval.mu.html#L273'>apply-add</a></span> _args-ah: (addr handle <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L274" class="LineNr">274 </span>  <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;apply +&quot;</span>
-<span id="L275" class="LineNr">275 </span>  <span class="PreProc">var</span> args-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args-ah
-<span id="L276" class="LineNr">276 </span>  <span class="PreProc">var</span> _args/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *args-ah
-<span id="L277" class="LineNr">277 </span>  <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _args
-<span id="L278" class="LineNr">278 </span>  <span class="PreProc">var</span> _env/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> env-h
-<span id="L279" class="LineNr">279 </span>  <span class="PreProc">var</span> env/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _env
-<span id="L280" class="LineNr">280 </span>  <span class="muComment"># TODO: check that args is a pair</span>
-<span id="L281" class="LineNr">281 </span>  <span class="PreProc">var</span> empty-args?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L116'>nil?</a> args
-<span id="L282" class="LineNr">282 </span>  compare empty-args?, <span class="Constant">0</span>/false
-<span id="L283" class="LineNr">283 </span>  <span class="Delimiter">{</span>
-<span id="L284" class="LineNr">284 </span>    <span class="PreProc">break-if-=</span>
-<span id="L285" class="LineNr">285 </span>    <span class="Special"><a href='trace.mu.html#L110'>error</a></span> trace, <span class="Constant">&quot;+ needs 2 args but got 0&quot;</span>
-<span id="L286" class="LineNr">286 </span>    <span class="PreProc">return</span>
-<span id="L287" class="LineNr">287 </span>  <span class="Delimiter">}</span>
-<span id="L288" class="LineNr">288 </span>  <span class="muComment"># args-&gt;left-&gt;value</span>
-<span id="L289" class="LineNr">289 </span>  <span class="PreProc">var</span> first-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get args, left
-<span id="L290" class="LineNr">290 </span>  <span class="PreProc">var</span> first/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *first-ah
-<span id="L291" class="LineNr">291 </span>  <span class="PreProc">var</span> first-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get first, <span class="PreProc">type</span>
-<span id="L292" class="LineNr">292 </span>  compare *first-type, <span class="Constant">1</span>/number
-<span id="L293" class="LineNr">293 </span>  <span class="Delimiter">{</span>
-<span id="L294" class="LineNr">294 </span>    <span class="PreProc">break-if-=</span>
-<span id="L295" class="LineNr">295 </span>    <span class="Special"><a href='trace.mu.html#L110'>error</a></span> trace, <span class="Constant">&quot;first arg for + is not a number&quot;</span>
-<span id="L296" class="LineNr">296 </span>    <span class="PreProc">return</span>
-<span id="L297" class="LineNr">297 </span>  <span class="Delimiter">}</span>
-<span id="L298" class="LineNr">298 </span>  <span class="PreProc">var</span> first-value/<span class="Constant">ecx</span>: (addr float) <span class="Special">&lt;-</span> get first, number-data
-<span id="L299" class="LineNr">299 </span>  <span class="muComment"># args-&gt;right-&gt;left-&gt;value</span>
-<span id="L300" class="LineNr">300 </span>  <span class="PreProc">var</span> right-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get args, right
-<span id="L301" class="LineNr">301 </span><span class="CommentedCode">#?   dump-cell right-ah</span>
-<span id="L302" class="LineNr">302 </span><span class="CommentedCode">#?   abort &quot;aaa&quot;</span>
-<span id="L303" class="LineNr">303 </span>  <span class="PreProc">var</span> right/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *right-ah
-<span id="L304" class="LineNr">304 </span>  <span class="muComment"># TODO: check that right is a pair</span>
-<span id="L305" class="LineNr">305 </span>  <span class="PreProc">var</span> second-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get right, left
-<span id="L306" class="LineNr">306 </span>  <span class="PreProc">var</span> second/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *second-ah
-<span id="L307" class="LineNr">307 </span>  <span class="PreProc">var</span> second-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get second, <span class="PreProc">type</span>
-<span id="L308" class="LineNr">308 </span>  compare *second-type, <span class="Constant">1</span>/number
-<span id="L309" class="LineNr">309 </span>  <span class="Delimiter">{</span>
-<span id="L310" class="LineNr">310 </span>    <span class="PreProc">break-if-=</span>
-<span id="L311" class="LineNr">311 </span>    <span class="Special"><a href='trace.mu.html#L110'>error</a></span> trace, <span class="Constant">&quot;second arg for + is not a number&quot;</span>
-<span id="L312" class="LineNr">312 </span>    <span class="PreProc">return</span>
-<span id="L313" class="LineNr">313 </span>  <span class="Delimiter">}</span>
-<span id="L314" class="LineNr">314 </span>  <span class="PreProc">var</span> second-value/<span class="Constant">edx</span>: (addr float) <span class="Special">&lt;-</span> get second, number-data
-<span id="L315" class="LineNr">315 </span>  <span class="muComment"># add</span>
-<span id="L316" class="LineNr">316 </span>  <span class="PreProc">var</span> result/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> copy *first-value
-<span id="L317" class="LineNr">317 </span>  result <span class="Special">&lt;-</span> add *second-value
-<span id="L318" class="LineNr">318 </span>  <a href='cell.mu.html#L68'>new-float</a> out, result
-<span id="L319" class="LineNr">319 </span><span class="Delimiter">}</span>
-<span id="L320" class="LineNr">320 </span>
-<span id="L321" class="LineNr">321 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='eval.mu.html#L321'>lookup-symbol</a></span> sym: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), env-h: (handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L322" class="LineNr">322 </span>  <span class="muComment"># trace sym</span>
-<span id="L323" class="LineNr">323 </span>  <span class="Delimiter">{</span>
-<span id="L324" class="LineNr">324 </span>    <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L325" class="LineNr">325 </span>    <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L326" class="LineNr">326 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;look up &quot;</span>
-<span id="L327" class="LineNr">327 </span>    <span class="PreProc">var</span> sym2/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy sym
-<span id="L328" class="LineNr">328 </span>    <span class="PreProc">var</span> sym-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get sym2, text-data
-<span id="L329" class="LineNr">329 </span>    <span class="PreProc">var</span> sym-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *sym-data-ah
-<span id="L330" class="LineNr">330 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> sym-data
-<span id="L331" class="LineNr">331 </span>    <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, sym-data
-<span id="L332" class="LineNr">332 </span>    <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot; in &quot;</span>
-<span id="L333" class="LineNr">333 </span>    <span class="PreProc">var</span> env-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-h
-<span id="L334" class="LineNr">334 </span>    <a href='print.mu.html#L1'>print-cell</a> env-ah, stream, <span class="Constant">0</span>/no-trace
-<span id="L335" class="LineNr">335 </span>    trace trace, <span class="Constant">&quot;eval&quot;</span>, stream
-<span id="L336" class="LineNr">336 </span>  <span class="Delimiter">}</span>
-<span id="L337" class="LineNr">337 </span>  <a href='trace.mu.html#L128'>trace-lower</a> trace
-<span id="L338" class="LineNr">338 </span>  <span class="PreProc">var</span> _env/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> env-h
-<span id="L339" class="LineNr">339 </span>  <span class="PreProc">var</span> env/<span class="Constant">ebx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _env
-<span id="L340" class="LineNr">340 </span>  <span class="muComment"># if env is not a list, abort</span>
-<span id="L341" class="LineNr">341 </span>  <span class="Delimiter">{</span>
-<span id="L342" class="LineNr">342 </span>    <span class="PreProc">var</span> env-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get env, <span class="PreProc">type</span>
-<span id="L343" class="LineNr">343 </span>    compare *env-type, <span class="Constant">0</span>/pair
-<span id="L344" class="LineNr">344 </span>    <span class="PreProc">break-if-=</span>
-<span id="L345" class="LineNr">345 </span>    <span class="Special"><a href='trace.mu.html#L110'>error</a></span> trace, <span class="Constant">&quot;eval found a non-list environment&quot;</span>
-<span id="L346" class="LineNr">346 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L347" class="LineNr">347 </span>    <span class="PreProc">return</span>
-<span id="L348" class="LineNr">348 </span>  <span class="Delimiter">}</span>
-<span id="L349" class="LineNr">349 </span>  <span class="muComment"># if env is nil, look up in globals</span>
-<span id="L350" class="LineNr">350 </span>  <span class="Delimiter">{</span>
-<span id="L351" class="LineNr">351 </span>    <span class="PreProc">var</span> env-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L116'>nil?</a> env
-<span id="L352" class="LineNr">352 </span>    compare env-nil?, <span class="Constant">0</span>/false
-<span id="L353" class="LineNr">353 </span>    <span class="PreProc">break-if-=</span>
-<span id="L354" class="LineNr">354 </span>    <a href='eval.mu.html#L443'>lookup-symbol-in-hardcoded-globals</a> sym, out, trace
-<span id="L355" class="LineNr">355 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L356" class="Folded">356 </span><span class="Folded">+-- 13 lines: # trace &quot;=&gt; &quot; out &quot; (global)&quot; ---------------------------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L369" class="LineNr">369 </span>    <span class="PreProc">return</span>
-<span id="L370" class="LineNr">370 </span>  <span class="Delimiter">}</span>
-<span id="L371" class="LineNr">371 </span>  <span class="muComment"># check car</span>
-<span id="L372" class="LineNr">372 </span>  <span class="PreProc">var</span> env-head-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L373" class="LineNr">373 </span>  <span class="PreProc">var</span> env-head-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-head-storage
-<span id="L374" class="LineNr">374 </span>  <a href='eval.mu.html#L513'>car</a> env, env-head-ah, <span class="Constant">0</span>/no-trace
-<span id="L375" class="LineNr">375 </span>  <span class="PreProc">var</span> _env-head/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *env-head-ah
-<span id="L376" class="LineNr">376 </span>  <span class="PreProc">var</span> env-head/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _env-head
-<span id="L377" class="LineNr">377 </span>  <span class="muComment"># if car is not a list, abort</span>
-<span id="L378" class="LineNr">378 </span>  <span class="Delimiter">{</span>
-<span id="L379" class="LineNr">379 </span>    <span class="PreProc">var</span> env-head-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get env-head, <span class="PreProc">type</span>
-<span id="L380" class="LineNr">380 </span>    compare *env-head-type, <span class="Constant">0</span>/pair
-<span id="L381" class="LineNr">381 </span>    <span class="PreProc">break-if-=</span>
-<span id="L382" class="LineNr">382 </span>    <span class="Special"><a href='trace.mu.html#L110'>error</a></span> trace, <span class="Constant">&quot;environment is not a list of (key . value) pairs&quot;</span>
-<span id="L383" class="LineNr">383 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L384" class="LineNr">384 </span>    <span class="PreProc">return</span>
-<span id="L385" class="LineNr">385 </span>  <span class="Delimiter">}</span>
-<span id="L386" class="LineNr">386 </span>  <span class="muComment"># check key</span>
-<span id="L387" class="LineNr">387 </span>  <span class="PreProc">var</span> curr-key-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L388" class="LineNr">388 </span>  <span class="PreProc">var</span> curr-key-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address curr-key-storage
-<span id="L389" class="LineNr">389 </span>  <a href='eval.mu.html#L513'>car</a> env-head, curr-key-ah, trace
-<span id="L390" class="LineNr">390 </span>  <span class="PreProc">var</span> curr-key/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *curr-key-ah
-<span id="L391" class="LineNr">391 </span>  <span class="muComment"># if key is not a symbol, abort</span>
-<span id="L392" class="LineNr">392 </span>  <span class="Delimiter">{</span>
-<span id="L393" class="LineNr">393 </span>    <span class="PreProc">var</span> curr-key-type/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get curr-key, <span class="PreProc">type</span>
-<span id="L394" class="LineNr">394 </span>    compare *curr-key-type, <span class="Constant">2</span>/symbol
-<span id="L395" class="LineNr">395 </span>    <span class="PreProc">break-if-=</span>
-<span id="L396" class="LineNr">396 </span>    <span class="Special"><a href='trace.mu.html#L110'>error</a></span> trace, <span class="Constant">&quot;environment contains a binding for a non-symbol&quot;</span>
-<span id="L397" class="LineNr">397 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L398" class="LineNr">398 </span>    <span class="PreProc">return</span>
-<span id="L399" class="LineNr">399 </span>  <span class="Delimiter">}</span>
-<span id="L400" class="LineNr">400 </span>  <span class="muComment"># if key matches sym, return val</span>
-<span id="L401" class="LineNr">401 </span>  <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='eval.mu.html#L569'>cell-isomorphic?</a> curr-key, sym, trace
-<span id="L402" class="LineNr">402 </span>  compare match?, <span class="Constant">0</span>/false
-<span id="L403" class="LineNr">403 </span>  <span class="Delimiter">{</span>
-<span id="L404" class="LineNr">404 </span>    <span class="PreProc">break-if-=</span>
-<span id="L405" class="LineNr">405 </span>    <a href='eval.mu.html#L541'>cdr</a> env-head, out, <span class="Constant">0</span>/no-trace
-<span id="L406" class="Folded">406 </span><span class="Folded">+-- 13 lines: # trace &quot;=&gt; &quot; out &quot; (match)&quot; ----------------------------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L419" class="LineNr">419 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L420" class="LineNr">420 </span>    <span class="PreProc">return</span>
-<span id="L421" class="LineNr">421 </span>  <span class="Delimiter">}</span>
-<span id="L422" class="LineNr">422 </span>  <span class="muComment"># otherwise recurse</span>
-<span id="L423" class="LineNr">423 </span>  <span class="PreProc">var</span> env-tail-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L424" class="LineNr">424 </span>  <span class="PreProc">var</span> env-tail-ah/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-tail-storage
-<span id="L425" class="LineNr">425 </span>  <a href='eval.mu.html#L541'>cdr</a> env, env-tail-ah, trace
-<span id="L426" class="LineNr">426 </span>  <a href='eval.mu.html#L321'>lookup-symbol</a> sym, out, *env-tail-ah, trace
-<span id="L427" class="LineNr">427 </span>  <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L428" class="Folded">428 </span><span class="Folded">+-- 13 lines: # trace &quot;=&gt; &quot; out &quot; (recurse)&quot; --------------------------------------------------------------------------------------------------------------------------------------------</span>
-<span id="L441" class="LineNr">441 </span><span class="Delimiter">}</span>
-<span id="L442" class="LineNr">442 </span>
-<span id="L443" class="LineNr">443 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='eval.mu.html#L443'>lookup-symbol-in-hardcoded-globals</a></span> _sym: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L444" class="LineNr">444 </span>  <span class="PreProc">var</span> sym/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _sym
-<span id="L445" class="LineNr">445 </span>  <span class="PreProc">var</span> sym-data-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get sym, text-data
-<span id="L446" class="LineNr">446 </span>  <span class="PreProc">var</span> _sym-data/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *sym-data-ah
-<span id="L447" class="LineNr">447 </span>  <span class="PreProc">var</span> sym-data/<span class="Constant">esi</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _sym-data
-<span id="L448" class="LineNr">448 </span>  <span class="Delimiter">{</span>
-<span id="L449" class="LineNr">449 </span>    <span class="PreProc">var</span> add?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> sym-data, <span class="Constant">&quot;+&quot;</span>
-<span id="L450" class="LineNr">450 </span>    compare add?, <span class="Constant">0</span>/false
-<span id="L451" class="LineNr">451 </span>    <span class="PreProc">break-if-=</span>
-<span id="L452" class="LineNr">452 </span>    <a href='cell.mu.html#L109'>new-primitive-function</a> out, <span class="Constant">1</span>/add
-<span id="L453" class="LineNr">453 </span>    <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;global +&quot;</span>
-<span id="L454" class="LineNr">454 </span>    <span class="PreProc">return</span>
-<span id="L455" class="LineNr">455 </span>  <span class="Delimiter">}</span>
-<span id="L456" class="LineNr">456 </span>  <span class="muComment"># otherwise error &quot;unbound symbol: &quot;, sym</span>
-<span id="L457" class="LineNr">457 </span>  <span class="PreProc">var</span> stream-storage: (stream byte <span class="Constant">0x40</span>)
-<span id="L458" class="LineNr">458 </span>  <span class="PreProc">var</span> stream/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> address stream-storage
-<span id="L459" class="LineNr">459 </span>  <a href='../108write.subx.html#L11'>write</a> stream, <span class="Constant">&quot;unbound symbol: &quot;</span>
-<span id="L460" class="LineNr">460 </span>  <a href='../106stream.subx.html#L59'>rewind-stream</a> sym-data
-<span id="L461" class="LineNr">461 </span>  <a href='../113write-stream.subx.html#L8'>write-stream</a> stream, sym-data
-<span id="L462" class="LineNr">462 </span>  trace trace, <span class="Constant">&quot;error&quot;</span>, stream
-<span id="L463" class="LineNr">463 </span><span class="Delimiter">}</span>
-<span id="L464" class="LineNr">464 </span>
-<span id="L465" class="LineNr">465 </span><span class="PreProc">fn</span> <span class="muTest"><a href='eval.mu.html#L465'>test-lookup-symbol-in-env</a></span> <span class="Delimiter">{</span>
-<span id="L466" class="LineNr">466 </span>  <span class="muComment"># tmp = (a . 3)</span>
-<span id="L467" class="LineNr">467 </span>  <span class="PreProc">var</span> val-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L468" class="LineNr">468 </span>  <span class="PreProc">var</span> val-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address val-storage
-<span id="L469" class="LineNr">469 </span>  <a href='cell.mu.html#L55'>new-integer</a> val-ah, <span class="Constant">3</span>
-<span id="L470" class="LineNr">470 </span>  <span class="PreProc">var</span> key-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L471" class="LineNr">471 </span>  <span class="PreProc">var</span> key-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address key-storage
-<span id="L472" class="LineNr">472 </span>  <a href='cell.mu.html#L34'>new-symbol</a> key-ah, <span class="Constant">&quot;a&quot;</span>
-<span id="L473" class="LineNr">473 </span>  <span class="PreProc">var</span> env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L474" class="LineNr">474 </span>  <span class="PreProc">var</span> env-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-storage
-<span id="L475" class="LineNr">475 </span>  <a href='cell.mu.html#L88'>new-pair</a> env-ah, *key-ah, *val-ah
-<span id="L476" class="LineNr">476 </span>  <span class="muComment"># env = ((a . 3))</span>
-<span id="L477" class="LineNr">477 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L478" class="LineNr">478 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L479" class="LineNr">479 </span>  <a href='cell.mu.html#L73'>allocate-pair</a> nil-ah
-<span id="L480" class="LineNr">480 </span>  <a href='cell.mu.html#L88'>new-pair</a> env-ah, *env-ah, *nil-ah
-<span id="L481" class="LineNr">481 </span>  <span class="muComment"># lookup sym(a) in env tmp</span>
-<span id="L482" class="LineNr">482 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L483" class="LineNr">483 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L484" class="LineNr">484 </span>  <a href='cell.mu.html#L34'>new-symbol</a> tmp-ah, <span class="Constant">&quot;a&quot;</span>
-<span id="L485" class="LineNr">485 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
-<span id="L486" class="LineNr">486 </span>  <a href='eval.mu.html#L321'>lookup-symbol</a> in, tmp-ah, *env-ah, <span class="Constant">0</span>/no-trace
-<span id="L487" class="LineNr">487 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
-<span id="L488" class="LineNr">488 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
-<span id="L489" class="LineNr">489 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">1</span>/number, <span class="Constant">&quot;F - <a href='eval.mu.html#L465'>test-lookup-symbol-in-env</a>/0&quot;</span>
-<span id="L490" class="LineNr">490 </span>  <span class="PreProc">var</span> result-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get result, number-data
-<span id="L491" class="LineNr">491 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> convert *result-value-addr
-<span id="L492" class="LineNr">492 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> result-value, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='eval.mu.html#L465'>test-lookup-symbol-in-env</a>/1&quot;</span>
-<span id="L493" class="LineNr">493 </span><span class="Delimiter">}</span>
-<span id="L494" class="LineNr">494 </span>
-<span id="L495" class="LineNr">495 </span><span class="PreProc">fn</span> <span class="muTest"><a href='eval.mu.html#L495'>test-lookup-symbol-in-hardcoded-globals</a></span> <span class="Delimiter">{</span>
-<span id="L496" class="LineNr">496 </span>  <span class="muComment"># env = nil</span>
-<span id="L497" class="LineNr">497 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L498" class="LineNr">498 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L499" class="LineNr">499 </span>  <a href='cell.mu.html#L73'>allocate-pair</a> nil-ah
-<span id="L500" class="LineNr">500 </span>  <span class="muComment"># lookup sym(a), env</span>
-<span id="L501" class="LineNr">501 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L502" class="LineNr">502 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L503" class="LineNr">503 </span>  <a href='cell.mu.html#L34'>new-symbol</a> tmp-ah, <span class="Constant">&quot;+&quot;</span>
-<span id="L504" class="LineNr">504 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
-<span id="L505" class="LineNr">505 </span>  <a href='eval.mu.html#L321'>lookup-symbol</a> in, tmp-ah, *nil-ah, <span class="Constant">0</span>/no-trace
-<span id="L506" class="LineNr">506 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
-<span id="L507" class="LineNr">507 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
-<span id="L508" class="LineNr">508 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">4</span>/primitive-function, <span class="Constant">&quot;F - <a href='eval.mu.html#L495'>test-lookup-symbol-in-hardcoded-globals</a>/0&quot;</span>
-<span id="L509" class="LineNr">509 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get result, index-data
-<span id="L510" class="LineNr">510 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-value, <span class="Constant">1</span>/add, <span class="Constant">&quot;F - <a href='eval.mu.html#L495'>test-lookup-symbol-in-hardcoded-globals</a>/1&quot;</span>
-<span id="L511" class="LineNr">511 </span><span class="Delimiter">}</span>
-<span id="L512" class="LineNr">512 </span>
-<span id="L513" class="LineNr">513 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='eval.mu.html#L513'>car</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L514" class="LineNr">514 </span>  <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;car&quot;</span>
-<span id="L515" class="LineNr">515 </span>  <a href='trace.mu.html#L128'>trace-lower</a> trace
-<span id="L516" class="LineNr">516 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L517" class="LineNr">517 </span>  <span class="muComment"># if in is not a list, abort</span>
-<span id="L518" class="LineNr">518 </span>  <span class="Delimiter">{</span>
-<span id="L519" class="LineNr">519 </span>    <span class="PreProc">var</span> in-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get in, <span class="PreProc">type</span>
-<span id="L520" class="LineNr">520 </span>    compare *in-type, <span class="Constant">0</span>/pair
-<span id="L521" class="LineNr">521 </span>    <span class="PreProc">break-if-=</span>
-<span id="L522" class="LineNr">522 </span>    <span class="Special"><a href='trace.mu.html#L110'>error</a></span> trace, <span class="Constant">&quot;car on a non-list&quot;</span>
-<span id="L523" class="LineNr">523 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L524" class="LineNr">524 </span>    <span class="PreProc">return</span>
-<span id="L525" class="LineNr">525 </span>  <span class="Delimiter">}</span>
-<span id="L526" class="LineNr">526 </span>  <span class="muComment"># if in is nil, abort</span>
-<span id="L527" class="LineNr">527 </span>  <span class="Delimiter">{</span>
-<span id="L528" class="LineNr">528 </span>    <span class="PreProc">var</span> in-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L116'>nil?</a> in
-<span id="L529" class="LineNr">529 </span>    compare in-nil?, <span class="Constant">0</span>/false
-<span id="L530" class="LineNr">530 </span>    <span class="PreProc">break-if-=</span>
-<span id="L531" class="LineNr">531 </span>    <span class="Special"><a href='trace.mu.html#L110'>error</a></span> trace, <span class="Constant">&quot;car on nil&quot;</span>
-<span id="L532" class="LineNr">532 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L533" class="LineNr">533 </span>    <span class="PreProc">return</span>
-<span id="L534" class="LineNr">534 </span>  <span class="Delimiter">}</span>
-<span id="L535" class="LineNr">535 </span>  <span class="PreProc">var</span> in-left/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, left
-<span id="L536" class="LineNr">536 </span>  copy-object in-left, out
-<span id="L537" class="LineNr">537 </span>  <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L538" class="LineNr">538 </span>  <span class="PreProc">return</span>
-<span id="L539" class="LineNr">539 </span><span class="Delimiter">}</span>
-<span id="L540" class="LineNr">540 </span>
-<span id="L541" class="LineNr">541 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='eval.mu.html#L541'>cdr</a></span> _in: (addr <a href='cell.mu.html#L1'>cell</a>), out: (addr handle <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace) <span class="Delimiter">{</span>
-<span id="L542" class="LineNr">542 </span>  <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;cdr&quot;</span>
-<span id="L543" class="LineNr">543 </span>  <a href='trace.mu.html#L128'>trace-lower</a> trace
-<span id="L544" class="LineNr">544 </span>  <span class="PreProc">var</span> in/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _in
-<span id="L545" class="LineNr">545 </span>  <span class="muComment"># if in is not a list, abort</span>
-<span id="L546" class="LineNr">546 </span>  <span class="Delimiter">{</span>
-<span id="L547" class="LineNr">547 </span>    <span class="PreProc">var</span> in-type/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get in, <span class="PreProc">type</span>
-<span id="L548" class="LineNr">548 </span>    compare *in-type, <span class="Constant">0</span>/pair
-<span id="L549" class="LineNr">549 </span>    <span class="PreProc">break-if-=</span>
-<span id="L550" class="LineNr">550 </span>    <span class="Special"><a href='trace.mu.html#L110'>error</a></span> trace, <span class="Constant">&quot;car on a non-list&quot;</span>
-<span id="L551" class="LineNr">551 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L552" class="LineNr">552 </span>    <span class="PreProc">return</span>
-<span id="L553" class="LineNr">553 </span>  <span class="Delimiter">}</span>
-<span id="L554" class="LineNr">554 </span>  <span class="muComment"># if in is nil, abort</span>
-<span id="L555" class="LineNr">555 </span>  <span class="Delimiter">{</span>
-<span id="L556" class="LineNr">556 </span>    <span class="PreProc">var</span> in-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L116'>nil?</a> in
-<span id="L557" class="LineNr">557 </span>    compare in-nil?, <span class="Constant">0</span>/false
-<span id="L558" class="LineNr">558 </span>    <span class="PreProc">break-if-=</span>
-<span id="L559" class="LineNr">559 </span>    <span class="Special"><a href='trace.mu.html#L110'>error</a></span> trace, <span class="Constant">&quot;car on nil&quot;</span>
-<span id="L560" class="LineNr">560 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L561" class="LineNr">561 </span>    <span class="PreProc">return</span>
-<span id="L562" class="LineNr">562 </span>  <span class="Delimiter">}</span>
-<span id="L563" class="LineNr">563 </span>  <span class="PreProc">var</span> in-right/<span class="Constant">eax</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> get in, right
-<span id="L564" class="LineNr">564 </span>  copy-object in-right, out
-<span id="L565" class="LineNr">565 </span>  <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L566" class="LineNr">566 </span>  <span class="PreProc">return</span>
-<span id="L567" class="LineNr">567 </span><span class="Delimiter">}</span>
-<span id="L568" class="LineNr">568 </span>
-<span id="L569" class="LineNr">569 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='eval.mu.html#L569'>cell-isomorphic?</a></span> _a: (addr <a href='cell.mu.html#L1'>cell</a>), _b: (addr <a href='cell.mu.html#L1'>cell</a>), trace: (addr trace)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L570" class="LineNr">570 </span>  <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;cell-isomorphic?&quot;</span>
-<span id="L571" class="LineNr">571 </span>  <a href='trace.mu.html#L128'>trace-lower</a> trace
-<span id="L572" class="LineNr">572 </span>  <span class="PreProc">var</span> a/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _a
-<span id="L573" class="LineNr">573 </span>  <span class="PreProc">var</span> b/<span class="Constant">edi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _b
-<span id="L574" class="LineNr">574 </span>  <span class="muComment"># if types don't match, return false</span>
-<span id="L575" class="LineNr">575 </span>  <span class="PreProc">var</span> a-type-addr/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get a, <span class="PreProc">type</span>
-<span id="L576" class="LineNr">576 </span>  <span class="PreProc">var</span> b-type-addr/<span class="Constant">ecx</span>: (addr int) <span class="Special">&lt;-</span> get b, <span class="PreProc">type</span>
-<span id="L577" class="LineNr">577 </span>  <span class="PreProc">var</span> b-type/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> copy *b-type-addr
-<span id="L578" class="LineNr">578 </span>  compare b-type, *a-type-addr
-<span id="L579" class="LineNr">579 </span>  <span class="Delimiter">{</span>
-<span id="L580" class="LineNr">580 </span>    <span class="PreProc">break-if-=</span>
-<span id="L581" class="LineNr">581 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L582" class="LineNr">582 </span>    <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (type)&quot;</span>
-<span id="L583" class="LineNr">583 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L584" class="LineNr">584 </span>  <span class="Delimiter">}</span>
-<span id="L585" class="LineNr">585 </span>  <span class="muComment"># if types are number, compare number-data</span>
-<span id="L586" class="LineNr">586 </span>  <span class="muComment"># TODO: exactly comparing floats is a bad idea</span>
-<span id="L587" class="LineNr">587 </span>  compare b-type, <span class="Constant">1</span>/number
-<span id="L588" class="LineNr">588 </span>  <span class="Delimiter">{</span>
-<span id="L589" class="LineNr">589 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L590" class="LineNr">590 </span>    <span class="PreProc">var</span> a-val-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get a, number-data
-<span id="L591" class="LineNr">591 </span>    <span class="PreProc">var</span> b-val-addr/<span class="Constant">ecx</span>: (addr float) <span class="Special">&lt;-</span> get b, number-data
-<span id="L592" class="LineNr">592 </span>    <span class="PreProc">var</span> a-val/<span class="Constant">xmm0</span>: float <span class="Special">&lt;-</span> copy *a-val-addr
-<span id="L593" class="LineNr">593 </span>    compare a-val, *b-val-addr
-<span id="L594" class="LineNr">594 </span>    <span class="Delimiter">{</span>
-<span id="L595" class="LineNr">595 </span>      <span class="PreProc">break-if-=</span>
-<span id="L596" class="LineNr">596 </span>      <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L597" class="LineNr">597 </span>      <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (numbers)&quot;</span>
-<span id="L598" class="LineNr">598 </span>      <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L599" class="LineNr">599 </span>    <span class="Delimiter">}</span>
-<span id="L600" class="LineNr">600 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L601" class="LineNr">601 </span>    <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; true (numbers)&quot;</span>
-<span id="L602" class="LineNr">602 </span>    <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L603" class="LineNr">603 </span>  <span class="Delimiter">}</span>
-<span id="L604" class="LineNr">604 </span>  compare b-type, <span class="Constant">2</span>/symbol
-<span id="L605" class="LineNr">605 </span>  <span class="Delimiter">{</span>
-<span id="L606" class="LineNr">606 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L607" class="LineNr">607 </span>    <span class="PreProc">var</span> b-val-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get b, text-data
-<span id="L608" class="LineNr">608 </span>    <span class="PreProc">var</span> _b-val/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *b-val-ah
-<span id="L609" class="LineNr">609 </span>    <span class="PreProc">var</span> b-val/<span class="Constant">ecx</span>: (addr stream byte) <span class="Special">&lt;-</span> copy _b-val
-<span id="L610" class="LineNr">610 </span>    <span class="PreProc">var</span> a-val-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get a, text-data
-<span id="L611" class="LineNr">611 </span>    <span class="PreProc">var</span> a-val/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *a-val-ah
-<span id="L612" class="LineNr">612 </span>    <span class="PreProc">var</span> tmp-array: (handle array byte)
-<span id="L613" class="LineNr">613 </span>    <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle array byte) <span class="Special">&lt;-</span> address tmp-array
-<span id="L614" class="LineNr">614 </span>    <a href='../106stream.subx.html#L59'>rewind-stream</a> a-val
-<span id="L615" class="LineNr">615 </span>    <a href='../310copy-bytes.subx.html#L60'>stream-to-array</a> a-val, tmp-ah
-<span id="L616" class="LineNr">616 </span>    <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: (addr array byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
-<span id="L617" class="LineNr">617 </span>    <span class="PreProc">var</span> match?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> b-val, tmp
-<span id="L618" class="LineNr">618 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L619" class="LineNr">619 </span>    <span class="Delimiter">{</span>
-<span id="L620" class="LineNr">620 </span>      compare match?, <span class="Constant">0</span>/false
-<span id="L621" class="LineNr">621 </span>      <span class="PreProc">break-if-=</span>
-<span id="L622" class="LineNr">622 </span>      <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; true (symbols)&quot;</span>
-<span id="L623" class="LineNr">623 </span>    <span class="Delimiter">}</span>
-<span id="L624" class="LineNr">624 </span>    <span class="Delimiter">{</span>
-<span id="L625" class="LineNr">625 </span>      compare match?, <span class="Constant">0</span>/false
-<span id="L626" class="LineNr">626 </span>      <span class="PreProc">break-if-!=</span>
-<span id="L627" class="LineNr">627 </span>      <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (symbols)&quot;</span>
-<span id="L628" class="LineNr">628 </span>    <span class="Delimiter">}</span>
-<span id="L629" class="LineNr">629 </span>    <span class="PreProc">return</span> match?
-<span id="L630" class="LineNr">630 </span>  <span class="Delimiter">}</span>
-<span id="L631" class="LineNr">631 </span>  <span class="muComment"># if a is nil, b should be nil</span>
-<span id="L632" class="LineNr">632 </span>  <span class="Delimiter">{</span>
-<span id="L633" class="LineNr">633 </span>    <span class="muComment"># (assumes nil? returns 0 or 1)</span>
-<span id="L634" class="LineNr">634 </span>    <span class="PreProc">var</span> _b-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L116'>nil?</a> b
-<span id="L635" class="LineNr">635 </span>    <span class="PreProc">var</span> b-nil?/<span class="Constant">ecx</span>: boolean <span class="Special">&lt;-</span> copy _b-nil?
-<span id="L636" class="LineNr">636 </span>    <span class="PreProc">var</span> a-nil?/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='print.mu.html#L116'>nil?</a> a
-<span id="L637" class="LineNr">637 </span>    <span class="muComment"># a == nil and b == nil =&gt; return true</span>
-<span id="L638" class="LineNr">638 </span>    <span class="Delimiter">{</span>
-<span id="L639" class="LineNr">639 </span>      compare a-nil?, <span class="Constant">0</span>/false
-<span id="L640" class="LineNr">640 </span>      <span class="PreProc">break-if-=</span>
-<span id="L641" class="LineNr">641 </span>      compare b-nil?, <span class="Constant">0</span>/false
-<span id="L642" class="LineNr">642 </span>      <span class="PreProc">break-if-=</span>
-<span id="L643" class="LineNr">643 </span>      <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L644" class="LineNr">644 </span>      <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; true (nils)&quot;</span>
-<span id="L645" class="LineNr">645 </span>      <span class="PreProc">return</span> <span class="Constant">1</span>/true
-<span id="L646" class="LineNr">646 </span>    <span class="Delimiter">}</span>
-<span id="L647" class="LineNr">647 </span>    <span class="muComment"># a == nil =&gt; return false</span>
-<span id="L648" class="LineNr">648 </span>    <span class="Delimiter">{</span>
-<span id="L649" class="LineNr">649 </span>      compare a-nil?, <span class="Constant">0</span>/false
-<span id="L650" class="LineNr">650 </span>      <span class="PreProc">break-if-=</span>
-<span id="L651" class="LineNr">651 </span>      <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L652" class="LineNr">652 </span>      <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (b != nil)&quot;</span>
-<span id="L653" class="LineNr">653 </span>      <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L654" class="LineNr">654 </span>    <span class="Delimiter">}</span>
-<span id="L655" class="LineNr">655 </span>    <span class="muComment"># b == nil =&gt; return false</span>
-<span id="L656" class="LineNr">656 </span>    <span class="Delimiter">{</span>
-<span id="L657" class="LineNr">657 </span>      compare b-nil?, <span class="Constant">0</span>/false
-<span id="L658" class="LineNr">658 </span>      <span class="PreProc">break-if-=</span>
-<span id="L659" class="LineNr">659 </span>      <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L660" class="LineNr">660 </span>      <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (a != nil)&quot;</span>
-<span id="L661" class="LineNr">661 </span>      <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L662" class="LineNr">662 </span>    <span class="Delimiter">}</span>
-<span id="L663" class="LineNr">663 </span>  <span class="Delimiter">}</span>
-<span id="L664" class="LineNr">664 </span>  <span class="muComment"># a and b are pairs</span>
-<span id="L665" class="LineNr">665 </span>  <span class="PreProc">var</span> a-tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L666" class="LineNr">666 </span>  <span class="PreProc">var</span> a-tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address a-tmp-storage
-<span id="L667" class="LineNr">667 </span>  <span class="PreProc">var</span> b-tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L668" class="LineNr">668 </span>  <span class="PreProc">var</span> b-tmp-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address b-tmp-storage
-<span id="L669" class="LineNr">669 </span>  <span class="muComment"># if cars aren't equal, return false</span>
-<span id="L670" class="LineNr">670 </span>  <a href='eval.mu.html#L513'>car</a> a, a-tmp-ah, trace
-<span id="L671" class="LineNr">671 </span>  <a href='eval.mu.html#L513'>car</a> b, b-tmp-ah, trace
-<span id="L672" class="LineNr">672 </span>  <span class="Delimiter">{</span>
-<span id="L673" class="LineNr">673 </span>    <span class="PreProc">var</span> _a-tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *a-tmp-ah
-<span id="L674" class="LineNr">674 </span>    <span class="PreProc">var</span> a-tmp/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _a-tmp
-<span id="L675" class="LineNr">675 </span>    <span class="PreProc">var</span> b-tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *b-tmp-ah
-<span id="L676" class="LineNr">676 </span>    <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='eval.mu.html#L569'>cell-isomorphic?</a> a-tmp, b-tmp, trace
-<span id="L677" class="LineNr">677 </span>    compare result, <span class="Constant">0</span>/false
-<span id="L678" class="LineNr">678 </span>    <span class="PreProc">break-if-!=</span>
-<span id="L679" class="LineNr">679 </span>    <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L680" class="LineNr">680 </span>    <a href='trace.mu.html#L101'>trace-text</a> trace, <span class="Constant">&quot;eval&quot;</span>, <span class="Constant">&quot;=&gt; false (<a href='eval.mu.html#L513'>car</a> mismatch)&quot;</span>
-<span id="L681" class="LineNr">681 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L682" class="LineNr">682 </span>  <span class="Delimiter">}</span>
-<span id="L683" class="LineNr">683 </span>  <span class="muComment"># recurse on cdrs</span>
-<span id="L684" class="LineNr">684 </span>  <a href='eval.mu.html#L541'>cdr</a> a, a-tmp-ah, trace
-<span id="L685" class="LineNr">685 </span>  <a href='eval.mu.html#L541'>cdr</a> b, b-tmp-ah, trace
-<span id="L686" class="LineNr">686 </span>  <span class="PreProc">var</span> _a-tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *a-tmp-ah
-<span id="L687" class="LineNr">687 </span>  <span class="PreProc">var</span> a-tmp/<span class="Constant">ecx</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _a-tmp
-<span id="L688" class="LineNr">688 </span>  <span class="PreProc">var</span> b-tmp/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *b-tmp-ah
-<span id="L689" class="LineNr">689 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='eval.mu.html#L569'>cell-isomorphic?</a> a-tmp, b-tmp, trace
-<span id="L690" class="LineNr">690 </span>  <a href='trace.mu.html#L136'>trace-higher</a> trace
-<span id="L691" class="LineNr">691 </span>  <span class="PreProc">return</span> result
-<span id="L692" class="LineNr">692 </span><span class="Delimiter">}</span>
-<span id="L693" class="LineNr">693 </span>
-<span id="L694" class="LineNr">694 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='eval.mu.html#L694'>fn?</a></span> _x: (addr <a href='cell.mu.html#L1'>cell</a>)<span class="PreProc"> -&gt; </span>_/<span class="Constant">eax</span>: boolean <span class="Delimiter">{</span>
-<span id="L695" class="LineNr">695 </span>  <span class="PreProc">var</span> x/<span class="Constant">esi</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> copy _x
-<span id="L696" class="LineNr">696 </span>  <span class="PreProc">var</span> <span class="PreProc">type</span>/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get x, <span class="PreProc">type</span>
-<span id="L697" class="LineNr">697 </span>  compare *<span class="PreProc">type</span>, <span class="Constant">2</span>/symbol
-<span id="L698" class="LineNr">698 </span>  <span class="Delimiter">{</span>
-<span id="L699" class="LineNr">699 </span>    <span class="PreProc">break-if-=</span>
-<span id="L700" class="LineNr">700 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>/false
-<span id="L701" class="LineNr">701 </span>  <span class="Delimiter">}</span>
-<span id="L702" class="LineNr">702 </span>  <span class="PreProc">var</span> contents-ah/<span class="Constant">eax</span>: (addr handle stream byte) <span class="Special">&lt;-</span> get x, text-data
-<span id="L703" class="LineNr">703 </span>  <span class="PreProc">var</span> contents/<span class="Constant">eax</span>: (addr stream byte) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *contents-ah
-<span id="L704" class="LineNr">704 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: boolean <span class="Special">&lt;-</span> <a href='../109stream-equal.subx.html#L9'>stream-data-equal?</a> contents, <span class="Constant">&quot;fn&quot;</span>
-<span id="L705" class="LineNr">705 </span>  <span class="PreProc">return</span> result
-<span id="L706" class="LineNr">706 </span><span class="Delimiter">}</span>
-<span id="L707" class="LineNr">707 </span>
-<span id="L708" class="LineNr">708 </span><span class="PreProc">fn</span> <span class="muTest"><a href='eval.mu.html#L708'>test-evaluate-is-well-behaved</a></span> <span class="Delimiter">{</span>
-<span id="L709" class="LineNr">709 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L710" class="LineNr">710 </span>  <span class="PreProc">var</span> t/<span class="Constant">esi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L711" class="LineNr">711 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x10</span>, <span class="Constant">0</span>/visible  <span class="muComment"># we don't use trace UI</span>
-<span id="L712" class="LineNr">712 </span>  <span class="muComment"># env = nil</span>
-<span id="L713" class="LineNr">713 </span>  <span class="PreProc">var</span> env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L714" class="LineNr">714 </span>  <span class="PreProc">var</span> env-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-storage
-<span id="L715" class="LineNr">715 </span>  <a href='cell.mu.html#L73'>allocate-pair</a> env-ah
-<span id="L716" class="LineNr">716 </span>  <span class="muComment"># eval sym(a), nil env</span>
-<span id="L717" class="LineNr">717 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L718" class="LineNr">718 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L719" class="LineNr">719 </span>  <a href='cell.mu.html#L34'>new-symbol</a> tmp-ah, <span class="Constant">&quot;a&quot;</span>
-<span id="L720" class="LineNr">720 </span>  <a href='eval.mu.html#L3'>evaluate</a> tmp-ah, tmp-ah, *env-ah, t
-<span id="L721" class="LineNr">721 </span>  <span class="muComment"># doesn't die</span>
-<span id="L722" class="LineNr">722 </span>  <a href='trace.mu.html#L175'>check-trace-contains</a> t, <span class="Constant">&quot;error&quot;</span>, <span class="Constant">&quot;unbound symbol: a&quot;</span>, <span class="Constant">&quot;F - test-evaluate-is-well-behaved&quot;</span>
-<span id="L723" class="LineNr">723 </span><span class="Delimiter">}</span>
-<span id="L724" class="LineNr">724 </span>
-<span id="L725" class="LineNr">725 </span><span class="PreProc">fn</span> <span class="muTest"><a href='eval.mu.html#L725'>test-evaluate-number</a></span> <span class="Delimiter">{</span>
-<span id="L726" class="LineNr">726 </span>  <span class="muComment"># env = nil</span>
-<span id="L727" class="LineNr">727 </span>  <span class="PreProc">var</span> env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L728" class="LineNr">728 </span>  <span class="PreProc">var</span> env-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-storage
-<span id="L729" class="LineNr">729 </span>  <a href='cell.mu.html#L73'>allocate-pair</a> env-ah
-<span id="L730" class="LineNr">730 </span>  <span class="muComment"># tmp = 3</span>
-<span id="L731" class="LineNr">731 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L732" class="LineNr">732 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L733" class="LineNr">733 </span>  <a href='cell.mu.html#L55'>new-integer</a> tmp-ah, <span class="Constant">3</span>
-<span id="L734" class="LineNr">734 </span>  <a href='eval.mu.html#L3'>evaluate</a> tmp-ah, tmp-ah, *env-ah, <span class="Constant">0</span>/no-trace
-<span id="L735" class="LineNr">735 </span>  <span class="muComment">#</span>
-<span id="L736" class="LineNr">736 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
-<span id="L737" class="LineNr">737 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
-<span id="L738" class="LineNr">738 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">1</span>/number, <span class="Constant">&quot;F - <a href='eval.mu.html#L725'>test-evaluate-number</a>/0&quot;</span>
-<span id="L739" class="LineNr">739 </span>  <span class="PreProc">var</span> result-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get result, number-data
-<span id="L740" class="LineNr">740 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> convert *result-value-addr
-<span id="L741" class="LineNr">741 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> result-value, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='eval.mu.html#L725'>test-evaluate-number</a>/1&quot;</span>
-<span id="L742" class="LineNr">742 </span><span class="Delimiter">}</span>
-<span id="L743" class="LineNr">743 </span>
-<span id="L744" class="LineNr">744 </span><span class="PreProc">fn</span> <span class="muTest"><a href='eval.mu.html#L744'>test-evaluate-symbol</a></span> <span class="Delimiter">{</span>
-<span id="L745" class="LineNr">745 </span>  <span class="muComment"># tmp = (a . 3)</span>
-<span id="L746" class="LineNr">746 </span>  <span class="PreProc">var</span> val-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L747" class="LineNr">747 </span>  <span class="PreProc">var</span> val-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address val-storage
-<span id="L748" class="LineNr">748 </span>  <a href='cell.mu.html#L55'>new-integer</a> val-ah, <span class="Constant">3</span>
-<span id="L749" class="LineNr">749 </span>  <span class="PreProc">var</span> key-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L750" class="LineNr">750 </span>  <span class="PreProc">var</span> key-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address key-storage
-<span id="L751" class="LineNr">751 </span>  <a href='cell.mu.html#L34'>new-symbol</a> key-ah, <span class="Constant">&quot;a&quot;</span>
-<span id="L752" class="LineNr">752 </span>  <span class="PreProc">var</span> env-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L753" class="LineNr">753 </span>  <span class="PreProc">var</span> env-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address env-storage
-<span id="L754" class="LineNr">754 </span>  <a href='cell.mu.html#L88'>new-pair</a> env-ah, *key-ah, *val-ah
-<span id="L755" class="LineNr">755 </span>  <span class="muComment"># env = ((a . 3))</span>
-<span id="L756" class="LineNr">756 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L757" class="LineNr">757 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L758" class="LineNr">758 </span>  <a href='cell.mu.html#L73'>allocate-pair</a> nil-ah
-<span id="L759" class="LineNr">759 </span>  <a href='cell.mu.html#L88'>new-pair</a> env-ah, *env-ah, *nil-ah
-<span id="L760" class="LineNr">760 </span>  <span class="muComment"># eval sym(a), env</span>
-<span id="L761" class="LineNr">761 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L762" class="LineNr">762 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L763" class="LineNr">763 </span>  <a href='cell.mu.html#L34'>new-symbol</a> tmp-ah, <span class="Constant">&quot;a&quot;</span>
-<span id="L764" class="LineNr">764 </span>  <a href='eval.mu.html#L3'>evaluate</a> tmp-ah, tmp-ah, *env-ah, <span class="Constant">0</span>/no-trace
-<span id="L765" class="LineNr">765 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
-<span id="L766" class="LineNr">766 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
-<span id="L767" class="LineNr">767 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">1</span>/number, <span class="Constant">&quot;F - <a href='eval.mu.html#L744'>test-evaluate-symbol</a>/0&quot;</span>
-<span id="L768" class="LineNr">768 </span>  <span class="PreProc">var</span> result-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get result, number-data
-<span id="L769" class="LineNr">769 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> convert *result-value-addr
-<span id="L770" class="LineNr">770 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> result-value, <span class="Constant">3</span>, <span class="Constant">&quot;F - <a href='eval.mu.html#L744'>test-evaluate-symbol</a>/1&quot;</span>
-<span id="L771" class="LineNr">771 </span><span class="Delimiter">}</span>
-<span id="L772" class="LineNr">772 </span>
-<span id="L773" class="LineNr">773 </span><span class="PreProc">fn</span> <span class="muTest"><a href='eval.mu.html#L773'>test-evaluate-primitive-function</a></span> <span class="Delimiter">{</span>
-<span id="L774" class="LineNr">774 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L775" class="LineNr">775 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L776" class="LineNr">776 </span>  <a href='cell.mu.html#L73'>allocate-pair</a> nil-ah
-<span id="L777" class="LineNr">777 </span>  <span class="PreProc">var</span> add-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L778" class="LineNr">778 </span>  <span class="PreProc">var</span> add-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address add-storage
-<span id="L779" class="LineNr">779 </span>  <a href='cell.mu.html#L34'>new-symbol</a> add-ah, <span class="Constant">&quot;+&quot;</span>
-<span id="L780" class="LineNr">780 </span>  <span class="muComment"># eval +, nil env</span>
-<span id="L781" class="LineNr">781 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L782" class="LineNr">782 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L783" class="LineNr">783 </span>  <a href='eval.mu.html#L3'>evaluate</a> add-ah, tmp-ah, *nil-ah, <span class="Constant">0</span>/no-trace
-<span id="L784" class="LineNr">784 </span>  <span class="muComment">#</span>
-<span id="L785" class="LineNr">785 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
-<span id="L786" class="LineNr">786 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
-<span id="L787" class="LineNr">787 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">4</span>/primitive-function, <span class="Constant">&quot;F - <a href='eval.mu.html#L773'>test-evaluate-primitive-function</a>/0&quot;</span>
-<span id="L788" class="LineNr">788 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: (addr int) <span class="Special">&lt;-</span> get result, index-data
-<span id="L789" class="LineNr">789 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-value, <span class="Constant">1</span>/add, <span class="Constant">&quot;F - <a href='eval.mu.html#L773'>test-evaluate-primitive-function</a>/1&quot;</span>
-<span id="L790" class="LineNr">790 </span><span class="Delimiter">}</span>
-<span id="L791" class="LineNr">791 </span>
-<span id="L792" class="LineNr">792 </span><span class="PreProc">fn</span> <span class="muTest"><a href='eval.mu.html#L792'>test-evaluate-primitive-function-call</a></span> <span class="Delimiter">{</span>
-<span id="L793" class="LineNr">793 </span>  <span class="PreProc">var</span> t-storage: trace
-<span id="L794" class="LineNr">794 </span>  <span class="PreProc">var</span> t/<span class="Constant">edi</span>: (addr trace) <span class="Special">&lt;-</span> address t-storage
-<span id="L795" class="LineNr">795 </span>  <a href='trace.mu.html#L35'>initialize-trace</a> t, <span class="Constant">0x100</span>, <span class="Constant">0</span>/visible  <span class="muComment"># we don't use trace UI</span>
-<span id="L796" class="LineNr">796 </span>  <span class="muComment">#</span>
-<span id="L797" class="LineNr">797 </span>  <span class="PreProc">var</span> nil-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L798" class="LineNr">798 </span>  <span class="PreProc">var</span> nil-ah/<span class="Constant">ecx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address nil-storage
-<span id="L799" class="LineNr">799 </span>  <a href='cell.mu.html#L73'>allocate-pair</a> nil-ah
-<span id="L800" class="LineNr">800 </span>  <span class="PreProc">var</span> one-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L801" class="LineNr">801 </span>  <span class="PreProc">var</span> one-ah/<span class="Constant">edx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address one-storage
-<span id="L802" class="LineNr">802 </span>  <a href='cell.mu.html#L55'>new-integer</a> one-ah, <span class="Constant">1</span>
-<span id="L803" class="LineNr">803 </span>  <span class="PreProc">var</span> add-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L804" class="LineNr">804 </span>  <span class="PreProc">var</span> add-ah/<span class="Constant">ebx</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address add-storage
-<span id="L805" class="LineNr">805 </span>  <a href='cell.mu.html#L34'>new-symbol</a> add-ah, <span class="Constant">&quot;+&quot;</span>
-<span id="L806" class="LineNr">806 </span>  <span class="muComment"># eval (+ 1 1), nil env</span>
-<span id="L807" class="LineNr">807 </span>  <span class="PreProc">var</span> tmp-storage: (handle <a href='cell.mu.html#L1'>cell</a>)
-<span id="L808" class="LineNr">808 </span>  <span class="PreProc">var</span> tmp-ah/<span class="Constant">esi</span>: (addr handle <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> address tmp-storage
-<span id="L809" class="LineNr">809 </span>  <a href='cell.mu.html#L88'>new-pair</a> tmp-ah, *one-ah, *nil-ah
-<span id="L810" class="LineNr">810 </span>  <a href='cell.mu.html#L88'>new-pair</a> tmp-ah, *one-ah, *tmp-ah
-<span id="L811" class="LineNr">811 </span>  <a href='cell.mu.html#L88'>new-pair</a> tmp-ah, *add-ah, *tmp-ah
-<span id="L812" class="LineNr">812 </span><span class="CommentedCode">#?   dump-cell tmp-ah</span>
-<span id="L813" class="LineNr">813 </span>  <a href='eval.mu.html#L3'>evaluate</a> tmp-ah, tmp-ah, *nil-ah, t
-<span id="L814" class="LineNr">814 </span><span class="CommentedCode">#?   dump-trace t</span>
-<span id="L815" class="LineNr">815 </span>  <span class="muComment">#</span>
-<span id="L816" class="LineNr">816 </span>  <span class="PreProc">var</span> result/<span class="Constant">eax</span>: (addr <a href='cell.mu.html#L1'>cell</a>) <span class="Special">&lt;-</span> <a href='../120allocate.subx.html#L226'>lookup</a> *tmp-ah
-<span id="L817" class="LineNr">817 </span>  <span class="PreProc">var</span> result-type/<span class="Constant">edx</span>: (addr int) <span class="Special">&lt;-</span> get result, <span class="PreProc">type</span>
-<span id="L818" class="LineNr">818 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> *result-type, <span class="Constant">1</span>/number, <span class="Constant">&quot;F - <a href='eval.mu.html#L792'>test-evaluate-primitive-function-call</a>/0&quot;</span>
-<span id="L819" class="LineNr">819 </span>  <span class="PreProc">var</span> result-value-addr/<span class="Constant">eax</span>: (addr float) <span class="Special">&lt;-</span> get result, number-data
-<span id="L820" class="LineNr">820 </span>  <span class="PreProc">var</span> result-value/<span class="Constant">eax</span>: int <span class="Special">&lt;-</span> convert *result-value-addr
-<span id="L821" class="LineNr">821 </span>  <a href='../502test.mu.html#L2'>check-ints-equal</a> result-value, <span class="Constant">2</span>, <span class="Constant">&quot;F - <a href='eval.mu.html#L792'>test-evaluate-primitive-function-call</a>/1&quot;</span>
-<span id="L822" class="LineNr">822 </span><span class="Delimiter">}</span>
-</pre>
-</body>
-</html>
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