#include <di/vocab/optional/nullopt.h>
Public Member Functions | |
constexpr | NullOpt (int) |
Friends | |
constexpr friend auto | operator== (NullOpt, NullOpt) -> bool |
constexpr friend auto | operator<=> (NullOpt, NullOpt) -> types::strong_ordering |
|
inlineexplicitconstexpr |