le="Class template counting_iterator">counting_iterator</a><span class="special">&lt;</span> <span class="identifier">T</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="counting_iterator.html#idp53400864-bb"><span class="special">~</span><span class="identifier">counting_iterator</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>

  <span class="com