mary><dl><dt class="spec value" id="val-(=|=)"><a href="#val-(=|=)" class="anchor"></a><code><span class="keyword">val</span> (=|=) : <a href="../Eq/index.html#type-t">Eq.t</a> <span>&#45;&gt;</span> <a href="../Eq/index.html#type-t">Eq.t</a> <span>&#45;&gt;</span> bool</code></dt></dl></details></div></div></div><div><div class="spec include"><div class="doc"><details open="open"><summary><span class="def"><code><span class="keyword">include</span> <span class="keyword">sig</span> ... <span class="keyword"