ass="identifier">type</span><span class="special">*</span>
</pre>
<p>
          at least four times.
        </p>
<p>
          We urge you to review the documentation and implementations of |reverse_iterator|_
          and the other Boost <code class="computeroutput"><span class="identifier">specialized</span>
          <span class="identifier">iterator</span> <span class="identifier">adaptors</span></code>__
          to get an idea of the sorts of things you can do with <code class="computeroutput"><spa