/a>.t</span> <span>&#45;&gt;</span> bool</code></dt><dt class="spec value" id="val-weak_join"><a href="#val-weak_join" class="anchor"></a><code><span class="keyword">val</span> weak_join : <span>Oct.t <a href="index.html#module-A">A</a>.t</span> <span>&#45;&gt;</span> <span>Oct.t <a href="index.html#module-A">A</a>.t</span> <span>&#45;&gt;</span> <span>Oct.t <a href="index.html#module-A">A</a>.t</span> * bool</code></dt><dt class="spec value" id="val-join"><a href="#val-join" class="anchor"></a><code><span 