s="identifier">Iterator</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">ever_circling_iterator</span>
      <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">detail</span><span class="special">::</span><span class="identifier">iterators</span><span class="special">::</span><span class="identifier">iterator_base</span><span class="special">&lt;</span> <span class="identifier">ever_circling_iterator</span><span clas