to</span> <span class="identifier">chanp</span><span class="special">(</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">make_shared</span><span class="special">&lt;</span> <span class="identifier">channel_t</span> <span class="special">&gt;(</span> <span class="number">64</span><span class="special">)</span> <span class="special">);</span>
    <span class="comment">// launch all the relevant fibers</span>
    <span class="identifier">wait_first_outcome_impl</