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
(library fundamentals TS) (class)

Category:¶

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