// In header: <boost/mixin/feature_parser.hpp>


class feature_registrator {
public:

  // public member functions
  template<typename Feature> feature_registrator & operator&(const Feature *);
  template<typename Message> 
    feature_registrator & operator&(message_priority< Message >);
  feature_registrator & operator&(mixin_allocator &);
  void operator&(const no_features_t *);
};