ttributes">
<li><b>Since</b> 4.05</li>
</ul>
</div>

<pre id="VALassq">val assq : 'a -&gt; ('a * 'b) list -&gt; 'b</pre><div class="info ">
<div class="info-desc">
<p>Same as <a href="List.html#VALassoc"><code class="code">List.assoc</code></a>, but uses physical equality instead of
   structural equality to compare keys.</p>
</div>
</div>

<pre id="VALassq_opt">val assq_opt : 'a -&gt; ('a * 'b) list -&gt; 'b option</pre><div class="info ">
<div class="info-desc">
<p>Same as <a href="List.html#VALassoc_opt"