 name="id-1_3_35_5_6_10_1_1_1_3_5-bb"></a><span class="identifier">param_type</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">initializer_list</span><span class="special">&lt;</span> <span class="identifier">WeightType</span> <span class="special">&gt;</span> <span class="special">&amp;</span> wl<span class="special">)</span><span class="special">;</span></pre>
<p>If wl.size() == 0, equivalent t