r">deref</a>&lt;i&gt;::type &gt;::type::value == true
</pre>
<p class="last">If no such iterator exists, <tt class="literal"><span class="pre">i</span></tt> is identical to <tt class="literal"><span class="pre"><a href="./end.html" class="identifier">end</a>&lt;s&gt;::type</span></tt>.</p>
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</tbody>
</table>
</div>
<div class="section" id="id548">
<h3><a class="subsection-title" href="#complexity" name="complexity">Complexity</a></h3>
<p>Linear. At most <tt class="literal"><span class="pre"><a hr