/counter.hpp&gt;">boost/log/attributes/counter.hpp</a>&gt;

</span>

<span class="comment">// Factory implementation.</span>

<span class="keyword">class</span> <a class="link" href="impl.html" title="Class impl">impl</a> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">attribute</span><span class="special">::</span><span class="identifier">impl</span> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
  <span class="co