23 General utilities library [utilities]

23.7 Variants [variant]

23.7.3 Class template variant [variant.variant]

23.7.3.2 Destructor [variant.dtor]

~variant();

Effects: If valueless_­by_­exception() is false, destroys the currently contained value.

Remarks: If is_­trivially_­destructible_­v<> == true for all then this destructor shall be a trivial destructor.