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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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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"> <- </span>f
<span class="muControl">continue-from</span> c:continuation <span class="Comment"># <-- ..when you hit this</span>
]
<span class="muRecipe">recipe</span> f [
c:continuation<span class="Special"> <- </span>g
<span class="muControl">reply</span> c:continuation
]
<span class="muRecipe">recipe</span> g [
c:continuation<span class="Special"> <- </span><span class="muControl">current-continuation</span> <span class="Comment"># <-- loop back to here</span>
$print <span class="Constant">1:literal</span>
<span class="muControl">reply</span> c:continuation <span class="Comment"># threaded through unmodified after first iteration</span>
]
</pre>
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