"><span class="keyword">val</span> mem_assoc</span> : <code class="type">'a -&gt; ('a * 'b) list -&gt; bool</code></pre><div class="info">
Same as <a href="List.html#VALassoc"><code class="code"><span class="constructor">List</span>.assoc</code></a>, but simply return true if a binding exists,
   and false if no bindings exist for the given key.<br>
</div>
<pre><span id="VALmem_assq"><span class="keyword">val</span> mem_assq</span> : <code class="type">'a -&gt; ('a * 'b) list -&gt; bool</code></pre><div cla