<span><span><span class="type-var">'a</span> list</span> option</span></code></dt><dd><p>Remove the first element matching the predicate. Returns <code>None</code> if no element matches the predicate</p></dd></dl><dl><dt class="spec value" id="val-drop"><a href="#val-drop" class="anchor"></a><code><span class="keyword">val</span> drop : int <span>&#45;&gt;</span> <span><span class="type-var">'a</span> <a href="index.html#type-t">t</a></span> <span>&#45;&gt;</span> <span><span class="type-var">'a</span> <a h