html/callcc.mu.html


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<title>Mu - callcc.mu</title>
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<pre id='vimCodeElement'>
<span class="Comment"># example program: saving and reusing call-stacks or continuations</span>

<span class="muRecipe">recipe</span> main [
  c:continuation<span class="Special"> &lt;- </span>f
  <span class="muControl">continue-from</span> c                         <span class="Comment"># &lt;-- ..when you hit this</span>
]

<span class="muRecipe">recipe</span> f [
  c:continuation<span class="Special"> &lt;- </span>g
  <span class="muControl">reply</span> c
]

<span class="muRecipe">recipe</span> g [
  c:continuation<span class="Special"> &lt;- </span><span class="muControl">current-continuation</span>  <span class="Comment"># &lt;-- loop back to here</span>
  $print <span class="Constant">1</span>
  <span class="muControl">reply</span> c  <span class="Comment"># threaded through unmodified after first iteration</span>
]
</pre>
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