"special">(</span> <span class="number">1</span> <span class="special">+</span> <span class="keyword">sizeof</span> <span class="special">...</span> <span class="special">(</span> <span class="identifier">functions</span><span class="special">)</span> <span class="special">);</span>
    <span class="comment">// In this case, the value we pass through the channel is actually a</span>
    <span class="comment">// future -- which is already ready. future can carry either a value or an</span>
    <span class="c