an> <span class="identifier">Traits</span><span class="special">,</span> <span class="identifier">Compare</span><span class="special">,</span> <span class="identifier">Combine</span><span class="special">,</span> <span class="identifier">Section</span><span class="special">,</span> <span class="identifier">Interval</span><span class="special">,</span> <span class="identifier">Alloc</span> <span class="special">&gt;</span> <span class="special">&gt;</span> <a name="boost.icl.is_total_icl_i_idp40913488.type">