">not empty()</tt></li>
<li>Effects: Removes the first element in the container</li>
<li>Postconditions: <tt class="docutils literal">size()</tt> is one less</li>
<li>Throws: <tt class="docutils literal">bad_ptr_container_operation</tt> if <tt class="docutils literal">empty() == true</tt></li>
<li>Exception safety: Strong guarantee</li>
</ul>
</blockquote>
</li>
</ul>
</div>
<div class="section" id="semantics-element-access">
<span id="element-access"></span><h2>Semantics: element access</h2>
<ul>
<li><p cl