keyword">type</span> <a href="index.html#module-Map">Map</a>.key = <a href="index.html#type-t">t</a></code></dt><dd><p>Map with ident as key.</p></dd></dl><div class="spec module" id="module-HashQueue"><a href="#module-HashQueue" class="anchor"></a><code><span class="keyword">module</span> HashQueue : <a href="../IStdlib/index.html#module-IStd">IStdlib.IStd</a>.Hash_queue.S <span class="keyword">with</span> <span class="keyword">type</span> <a href="index.html#module-HashQueue">HashQueue</a>.key = <a href="