- VIRTUAL_COPY_CONS (Music_iterator);
- ~Grace_iterator ();
- virtual void construct_children () ;
- virtual void do_process_and_next (Moment);
-
- Moment next_moment () const;
+ virtual void process (Moment);
+ DECLARE_SCHEME_CALLBACK (constructor, ());
+ DECLARE_CLASSNAME(Grace_iterator);
+ Moment pending_moment () const;