"Header &lt;boost/log/attributes/function.hpp&gt;">boost/log/attributes/function.hpp</a>&gt;

</span>

<span class="comment">// Factory implementation.</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> 
<span class="keyword">class</span> <a class="link" href="impl_template.html" title="Class template impl_template">impl_template</a> <span class="special">:</span> <span class="keyword">public</span> <span clas