ns.attr_hpp" title="Header &lt;boost/log/expressions/attr.hpp&gt;">boost/log/expressions/attr.hpp</a>&gt;

</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> AttributeValueT<span class="special">&gt;</span> 
  <a class="link" href="attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">AttributeValueT</span> <span class="special">&gt;</span> <span class="identi