="spec-doc"><p>Mutable hash tables and sets keyed on source files</p></div></div><div class="odoc-spec"><div class="spec module anchored" id="module-HashSet"><a href="#module-HashSet" class="anchor"></a><code><span><span class="keyword">module</span> <a href="HashSet/index.html">HashSet</a></span><span> : <a href="../../IStdlib/HashSet/module-type-S/index.html">IStdlib.HashSet.S</a> <span class="keyword">with</span> <span><span class="keyword">type</span> <a href="../../IStdlib/HashSet/module-type-S/index.h