     <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> RealType<span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="../boost/histogram/accumulators/sum.html" title="Class template sum">sum</a><span class="special">;</span>
    <span class="special">}</span>
  <span class="special">}</span>
<span class="special">}</span></pre>
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