anager_base</span><span class="special">;</span>
  <span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">less</span><span class="special">&lt;</span> <span class="identifier">key_type</span> <span class="special">&gt;</span>                                       <a name="boost.interprocess.flat_map_index_aux.key_less"></a><span class="identifier">key_less</span><span class="special">;</span>            
  <span class="keyword">typedef