DECLARE_SCHEME_CALLBACK(constructor, ());
Sequential_iterator ();
Sequential_iterator (Sequential_iterator const&);
+ virtual void derived_substitute (Translator_group*f, Translator_group*t) ;
+
virtual void derived_mark () const;
virtual void construct_children ();
protected:
virtual void process (Moment);
virtual Music_iterator *try_music_in_children (Music *) const;
-
+ virtual bool run_always () const;
protected:
Moment here_mom_;
Music_iterator * iter_;