../Alternative/index.html#type-t">Alternative.t</a></span></code></dt><dt class="spec value" id="val-(&lt;$&gt;)"><a href="#val-(&lt;$&gt;)" class="anchor"></a><code><span class="keyword">val</span> (&lt;$&gt;) : <span>(<span class="type-var">'a</span> <span>&#45;&gt;</span> <span class="type-var">'b</span>)</span> <span>&#45;&gt;</span> <span><span class="type-var">'a</span> <a href="../Alternative/index.html#type-t">Alternative.t</a></span> <span>&#45;&gt;</span> <span><span class="type-var">'b</span> <a 