"val-join"><a href="#val-join" class="anchor"></a><code><span class="keyword">val</span> join : <span class="arg"><span><span>(<span><span>(<span class="type-var">'a</span>, <span class="type-var">'x</span>)</span> <a href="index.html#type-t">t</a></span>, <span class="type-var">'x</span>)</span> <a href="index.html#type-t">t</a></span> <span>&#45;&gt;</span> </span><span><span>(<span class="type-var">'a</span>, <span class="type-var">'x</span>)</span> <a href="index.html#type-t">t</a></span></code></dt>