Drul_array<int> beams_i_drul_;
+ void set_direction (Direction d);
/// direction stem (that's me)
Direction dir_;
/// heads that the stem encompasses (positions)
Interval_t<int> head_positions() const;
- virtual ~Stem ();
+
protected:
virtual void do_substitute_element_pointer (Score_element*,Score_element*);
virtual void do_pre_processing();