 class="number">64</span><span class="special">)</span> <span class="special">);</span>
    <span class="comment">// and make an nchannel facade to close it after 'count' items</span>
    <span class="keyword">auto</span> <span class="identifier">ncp</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">nchannel</span><span class="special">&lt;</span> <span c