| @@ -183,6 +183,30 @@ macro_rules! int_impl { |
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(self as $UnsignedT).trailing_ones() |
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} |
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+/// Returns the bit pattern of `self` reinterpreted as an unsigned integer of the same size. |
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+ /// |
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+ /// This is a bit safer than `as` because it wouldn't silently change the size if the code |
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+ /// is refactored. |
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+ /// |
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+ /// # Examples |
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+ /// |
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+ /// Basic usage: |
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+ /// |
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+ /// ``` |
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+ /// #![feature(integer_sign_cast)] |
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+ /// |
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+ #[doc = concat!("let n = -1", stringify!($SelfT), ";")] |
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+/// |
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+ #[doc = concat!("assert_eq!(n.cast_unsigned(), ", stringify!($UnsignedT), "::MAX);")] |
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+/// ``` |
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+ #[unstable(feature = "integer_sign_cast", issue = "125882")] |
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+ #[must_use = "this returns the result of the operation, \ |
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+ without modifying the original"] |
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+ #[inline(always)] |
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+pub const fn cast_unsigned(self) -> $UnsignedT { |
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+self as $UnsignedT |
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+} |
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+ |
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/// Shifts the bits to the left by a specified amount, `n`, |
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/// wrapping the truncated bits to the end of the resulting integer. |
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/// |