d">typename</span> ChannelT <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&gt;</span> 
<span class="keyword">class</span> <a class="link" href="channel_logger.html" title="Class template channel_logger">channel_logger</a> <span class="special">:</span> <span class="keyword">public</span> basic_composite_logger&lt; char, channel_logger&lt; ChannelT &gt;, single_thread_model, features&lt; channel&lt;