 class="odoc-include"><details open="open"><summary class="spec include"><code><span><span class="keyword">include</span> <span class="xref-unresolved">IStdlib</span>.IStd.Caml.Set.S <span class="keyword">with</span> <span><span class="keyword">type</span> <span class="xref-unresolved">elt</span> = <span class="xref-unresolved">id</span></span></span></code></summary><div class="odoc-spec"><div class="spec type anchored" id="type-elt"><a href="#type-elt" class="anchor"></a><code><span><span class="keyword">