Destructors
`~basic_outcome()`
Destructor. Requires: Always available. Complexity: Same as for value_type’s, error_type’s and exception_type’s destructors. Constexpr, triviality and noexcept of underlying operations is propagated. »
`~basic_result()`
Destructor. Requires: Always available. Complexity: Same as for value_type’s and error_type’s destructors. Constexpr, triviality and noexcept of underlying operations is propagated. »