n class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> NodesPerBlock<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> F<span class="special">,</span> 
         <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> OP<span class="special">&gt;</span> 
  <span class="keyword">bool</span> <span class="keyword">operator</span><span