duce the referent types of pointers, smart
          pointers and iterators in generic code. Used in <a class="link" href="iterator/specialized/indirect.html" title="Indirect Iterator"><code class="computeroutput"><span class="identifier">indirect_iterator</span></code></a>.
        </li>
<li class="listitem">
          <a class="link" href="iterator/utilities/iterator_traits.html" title="Iterator Traits"><code class="computeroutput"><span class="identifier">iterator_traits</span><span class="special">.</sp