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

template<typename Mixin> 
struct mixin_type_info_instance : public boost::mixin::internal::noncopyable {
  // construct/copy/destruct
  mixin_type_info_instance();

  // public static functions
  static mixin_type_info & info();

  // public data members
  static mixin_type_info_instance registrator;
  int unused;
};