- Sequential_music_iterator ();
- virtual ~Sequential_music_iterator ();
-
- virtual void construct_children ();
- virtual Moment next_moment () const;
- virtual bool ok () const;
-
-protected:
- Sequential_music* sequential_music_l () const;
-
- virtual void do_print() const;
- virtual void do_process_and_next (Moment);
-
+ DECLARE_SCHEME_CALLBACK (constructor, ());
+ DECLARE_CLASSNAME(Sequential_music_iterator);