19 General utilities library [utilities]

19.6 Optional objects [optional]

19.6.3 Class template optional [optional.optional]

19.6.3.2 Destructor [optional.dtor]

🔗
~optional();
1
#
Effects: If is_­trivially_­destructible_­v<T> != true and *this contains a value, calls 
val->T::~T()
2
#
Remarks: If is_­trivially_­destructible_­v<T> is true, then this destructor is trivial.