<span class="special">(</span><span class="special">)</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="transform_iterator.html#idp53589536-bb">public member functions</a></span>
  <span class="identifier">size_t</span> <a class="link" href="transform_iterator.html#idp53590096-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="keyword