ng>Complexity</strong></span>: Constant </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idp71503600-bb"></a><span class="identifier">unlink</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Removes the node if it's inserted in a container. This function is only allowed if <code class="computeroutput"><a class="link" href="link_mode.html" title="St