"Function template make_histogram"><span class="identifier">make_histogram</span></a><span class="special">(</span><span class="identifier">Iterator</span><span class="special">,</span> <span class="identifier">Iterator</span><span class="special">)</span><span class="special">;</span>
    <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Iterator<span class="special">,</span> 
             <span class="keyword">typename</span>  <span class="special"