105 template <> struct ValueIsPresent<T3> {  struct
106   using UnwrappedType = T3;
107   static inline bool isPresent(const T3 &t) { return t.hasValue; }  in isPresent()
108   static inline const T3 &unwrapValue(const T3 &t) { return t; }  in unwrapValue()
412 template <> struct ValueIsPresent<pointer_wrappers::PTy> {  struct
413   using UnwrappedType = pointer_wrappers::PTy;
414   static inline bool isPresent(const pointer_wrappers::PTy &P) {  in isPresent()
417   static UnwrappedType &unwrapValue(pointer_wrappers::PTy &P) { return P; }  in unwrapValue()
420 template <> struct ValueIsPresent<const pointer_wrappers::PTy> {  struct
421   using UnwrappedType = pointer_wrappers::PTy;
422   static inline bool isPresent(const pointer_wrappers::PTy &P) {  in isPresent()
426   static UnwrappedType &unwrapValue(const pointer_wrappers::PTy &P) {  in unwrapValue()