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//! Definition of the `Never` type, //! a stand-in for the `!` type until it becomes stable. /// A type with no possible values. /// /// This is used to indicate values which can never be created, such as the /// error type of infallible futures. /// /// This type is a stable equivalent to the `!` type from `std`. /// /// This is currently an alias for [`std::convert::Infallible`], but in /// the future it may be an alias for [`!`][never]. /// See ["Future compatibility" section of `std::convert::Infallible`][infallible] for more. /// /// [never]: https://doc.rust-lang.org/nightly/std/primitive.never.html /// [infallible]: https://doc.rust-lang.org/nightly/std/convert/enum.Infallible.html#future-compatibility pub type Never = core::convert::Infallible;