- /// is the "plet factor" of this note != 1 ?
- bool plet_b ();
- String str () const;
- void set_plet (int,int );
- void compress (Rational);
- Rational length_mom () const ;
- static int compare (Duration const&, Duration const&);
+ Duration (int, int);
+ Duration (Rational, bool scale);
+ string to_string () const;