Why do we need to use reference-qualified functions?
class Y {
  void h() &;
  void h() &&;
};
What is their feature and advantage over functions without reference-qualifiers (& or &&)?
Why do we need to use reference-qualified functions?
class Y {
  void h() &;
  void h() &&;
};
What is their feature and advantage over functions without reference-qualifiers (& or &&)?
