/span> <span class="type-var">'b</span></code></dt><dt class="spec value" id="val-add_one"><a href="#val-add_one" class="anchor"></a><code><span class="keyword">val</span> add_one : <span><span class="type-var">'a</span> <a href="index.html#type-t">t</a></span> <span>&#45;&gt;</span> <span class="type-var">'a</span> <span>&#45;&gt;</span> unit</code></dt><dd><p>Add a new element at the end of the vector</p></dd></dl><dl><dt class="spec value" id="val-remove_one"><a href="#val-remove_one" class="anchor"></a>