 <a name="boost.log.expressions.wrapped_formatter_actor.function_type"></a><span class="identifier">function_type</span><span class="special">;</span>  <span class="comment">// Wrapped function type. </span>
  <span class="keyword">typedef</span> <a class="link" href="wrapped_formatter_terminal.html" title="Class template wrapped_formatter_terminal">wrapped_formatter_terminal</a><span class="special">&lt;</span> <span class="identifier">function_type</span><span class="special">,</span> <span class="identif