std::experimental::nullopt (3) - Linux Man Pages

std::experimental::nullopt: std::experimental::nullopt

NAME

std::experimental::nullopt - std::experimental::nullopt

Synopsis


Defined in header <experimental/optional>
constexpr nullopt_t nullopt{/*unspecified*/}; (library fundamentals TS)


std::experimental::nullopt is a constant of type std::experimental::nullopt_t that is used to indicate optional type with uninitialized state.

See also


nullopt_t indicator of optional type with uninitialized state
                          (class)
(library fundamentals TS)