etails open="open"><summary><span class="def"><code><span class="keyword">include</span> <a href="../../../../../Interface/index.html#module-type-JOIN_SEMILATTICE">Interface.JOIN_SEMILATTICE</a></code></span></summary><dl><dt class="spec type" id="type-t"><a href="#type-t" class="anchor"></a><code><span class="keyword">type</span> t</code></dt></dl><dl><dt class="spec value" id="val-join"><a href="#val-join" class="anchor"></a><code><span class="keyword">val</span> join : <a href="index.html#type-t">t</a> <