111     }

   111     }

   112 

   112 

   113     bool operator!=(const LogOutputNode *ref) const {

   113     bool operator!=(const LogOutputNode *ref) const {

   114       return _current != ref;

   114       return _current != ref;

   115     }

   115     }

   116   };

   120   };

   117 

   121 

   118   Iterator iterator(LogLevelType level = LogLevel::Last) {

   122   Iterator iterator(LogLevelType level = LogLevel::Last) {

   119     increase_readers();

   123     increase_readers();

   120     return Iterator(this, _level_start[level]);

   124     return Iterator(this, _level_start[level]);