ontends.async.c10" href="sink_frontends.html#log.detailed.sink_frontends.async.c11"><img src="../../../../../../doc/src/images/callouts/3.png" alt="3" border="0"></a>
            <span class="identifier">std</span><span class="special">::</span><span class="identifier">less</span><span class="special">&lt;</span> <span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="special">&gt;</span>                                            <a class="co" name="log.detailed.sink_frontends.a