pan> <span class="keyword">const</span> <span class="identifier">RandomAccessContainer</span><span class="special">&amp;</span> <span class="identifier">weights</span><span class="special">();</span>

   <span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">F</span><span class="special">&gt;</span>
   <span class="keyword">static</span> <span class="keyword">auto</span> <span class="identifier">integrate</span><span class="special"