ifier">y</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
</pre>
<p>
          <span class="bold"><strong>Returns:</strong></span> <code class="computeroutput"><span class="identifier">y</span><span class="special">.</span><span class="identifier">base</span><span class="special">()</span> <span class="special">-</span> <span class="identifier">m_iterator</span></code>
        </p>
</div>
<div class="section">
<div class="titlepage"><div><div><h4 class="t