std::unexpect_t, std::unexpect

< cpp‎ | utility‎ | expected
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Defined in header <expected>
struct unexpect_t {

    explicit unexpect_t() = default;

(1) (since C++23)
inline constexpr unexpect_t unexpect{};
(2) (since C++23)
1) A tag type for in-place construction of an unexpected value in an std::expected object.
2) A constant of type const std::unexpect_t which is usually directly passed to a constructor of std::expected to construct an unexpected value.

[edit] Notes

Like other construction tag types, unexpect_t is a trivial, empty class with an explicit default constructor.

[edit] See also

constructs the expected object
(public member function) [edit]
in-place construction tag