Group_interface (Score_element const*);
Group_interface (Score_element const*, String);
int count ();
- bool supports_interface_b ();
+ bool has_interface_b ();
void set_interface ();
void add_element (Score_element*);
};
+Group_interface group (Score_element*);
+
/*
template<class T>
Link_array<T> Group_interface__extract_elements (T *, String name);