~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.
Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards