span><span class="special">&amp;</span> <span class="identifier">w</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">&amp;</span> <span class="identifier">l</span><span class="special">)</span> <span class="keyword">const</span>
    <span class="special">{</span>
        <span class="keyword">switch</span> <span class="special">(</span><span class="identifier">t</span><span class="special">.</spa