1 files changed, 31 insertions, 2 deletions
diff --git a/html/032array.cc.html b/html/032array.cc.html
index 7bb0495f..cac483a1 100644
--- a/html/032array.cc.html
+++ b/html/032array.cc.html
@@ -10,9 +10,10 @@
 <meta name="colorscheme" content="minimal">
 <style type="text/css">
 <!--
-pre { white-space: pre-wrap; font-family: monospace; color: #d0d0d0; background-color: #000000; }
-body { font-family: monospace; color: #d0d0d0; background-color: #000000; }
+pre { white-space: pre-wrap; font-family: monospace; color: #d0d0d0; background-color: #080808; }
+body { font-family: monospace; color: #d0d0d0; background-color: #080808; }
 * { font-size: 1em; }
+.cSpecial { color: #008000; }
 .CommentedCode { color: #6c6c6c; }
 .Constant { color: #008080; }
 .Comment { color: #8080ff; }
@@ -173,6 +174,34 @@ case INDEX_ADDRESS: <span class="Delimiter">{</span>
   products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span>
   <span class="Identifier">break</span><span class="Delimiter">;</span>
 <span class="Delimiter">}</span>
+
+<span class="SalientComment">//:: compute the length of an array</span>
+
+<span class="Delimiter">:(scenario array_length)</span>
+recipe main [
+  <span class="Constant">1</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">3</span>:literal  <span class="Comment"># length</span>
+  <span class="Constant">2</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">14</span>:literal
+  <span class="Constant">3</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">15</span>:literal
+  <span class="Constant">4</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">16</span>:literal
+  <span class="Constant">5</span>:number<span class="Special"> &lt;- </span>length <span class="Constant">1</span>:array:number
+]
+<span class="traceContains">+mem: storing 3 in location 5</span>
+
+<span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
+LENGTH<span class="Delimiter">,</span>
+<span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
+Recipe_number[<span class="Constant">&quot;length&quot;</span>] = LENGTH<span class="Delimiter">;</span>
+<span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
+case LENGTH: <span class="Delimiter">{</span>
+  reagent x = canonize<span class="Delimiter">(</span>current_instruction<span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
+  if <span class="Delimiter">(</span>x<span class="Delimiter">.</span>types<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> != Type_number[<span class="Constant">&quot;array&quot;</span>]<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+    raise &lt;&lt; <span class="Constant">&quot;tried to calculate length of non-array &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>to_string<span class="Delimiter">()</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
+    <span class="Identifier">break</span><span class="Delimiter">;</span>
+  <span class="Delimiter">}</span>
+  products<span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span>
+  products<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>Memory[x<span class="Delimiter">.</span>value]<span class="Delimiter">);</span>
+  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span class="Delimiter">}</span>
 </pre>
 </body>
 </html>