 class="keyword">typename</span> T<span class="special">&gt;</span> <span class="keyword">auto</span> <a class="link" href="../boost/histogram/weight.html" title="Function template weight"><span class="identifier">weight</span></a><span class="special">(</span><span class="identifier">T</span> <span class="special">&amp;&amp;</span><span class="special">)</span><span class="special">;</span>
    <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span><span 