109 template <> struct ValueIsPresent<T3> {  struct
110   using UnwrappedType = T3;
111   static inline bool isPresent(const T3 &t) { return t.hasValue; }  in isPresent()
112   static inline const T3 &unwrapValue(const T3 &t) { return t; }  in unwrapValue()
443 template <> struct ValueIsPresent<pointer_wrappers::PTy> {  struct
444   using UnwrappedType = pointer_wrappers::PTy;
445   static inline bool isPresent(const pointer_wrappers::PTy &P) {  in isPresent()
448   static UnwrappedType &unwrapValue(pointer_wrappers::PTy &P) { return P; }  in unwrapValue()
451 template <> struct ValueIsPresent<const pointer_wrappers::PTy> {  struct
452   using UnwrappedType = pointer_wrappers::PTy;
453   static inline bool isPresent(const pointer_wrappers::PTy &P) {  in isPresent()
457   static UnwrappedType &unwrapValue(const pointer_wrappers::PTy &P) {  in unwrapValue()