"special">::</span><span class="identifier">websocket</span><span class="special">::</span><span class="identifier">stream</span><span class="special">&lt;</span><span class="keyword">decltype</span><span class="special">(</span><span class="identifier">sock</span><span class="special">)&gt;</span> <span class="identifier">ws</span><span class="special">{</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">move</span><span class="special">(</span><span class="ide