            <span class="phrase"><a name="range.reference.algorithms.non_mutating.count.definition"></a></span><a class="link" href="count.html#range.reference.algorithms.non_mutating.count.definition">Definition</a>
          </h6>
<p>
            Defined in the header file <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">range</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><s