   </p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
                <code class="computeroutput"><span class="identifier">iterator</span> <span class="identifier">begin</span><span class="special">()</span></code> where <span class="emphasis"><em>iterator</em></span>
                is a forward iterator,
              </li>
<li class="listitem">
                <code class="computeroutput"><span class="identifier">boost</span><span class="specia