pan><span class="special">,</span><span class="identifier">iterator</span><span class="special">&gt;</span></code> is hardly self-documenting whereas more
        domain specific class names are. Therefore these two classes are provided:
      </p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
            Class <code class="computeroutput"><span class="identifier">iterator_range</span></code>
          </li>
<li class="listitem">
            Class <code class="compute