nt">// <a class="link" href="constant_iterator.html#idm9925-bb">public member functions</a></span>
  <span class="identifier">size_t</span> <a class="link" href="constant_iterator.html#idm9926-bb"><span class="identifier">get_index</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idm31261"></a><h2>Description</h2>
<p>T