s="identifier">expr</span><span class="special">::</span><span class="identifier">smessage</span><span class="special">]</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
    <span class="special">}</span>
<span class="special">};</span>

<span class="comment">// Complete sink type</span>
<span class="keyword">typedef</span> <span class="identifier">sinks</span><span class="special