er_list</span><span class="special">&lt;</span> <span class="identifier">T</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">F</span><span class="special">)</span><span class="special">;</span>
    <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> IntervalRange<span class="special">,</span> <span class="keyword">typename</span> WeightRange<span class="special">&gt;</span