.hpp&gt;">boost/log/utility/functional/logical.hpp</a>&gt;

</span>
<span class="keyword">struct</span> <a class="link" href="less.html" title="Struct less">less</a> <span class="special">{</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <span class="keyword">bool</span> <a name="boost.log.less.result_type"></a><span class="identifier">result_type</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="less.html#idp40559904-bb">public memb