pub unsafe extern "rust-intrinsic" fn overflowing_add<T>(a: T, b: T) -> T
Returns (a + b) mod 2N, where N is the width of T in bits. The stabilized versions of this intrinsic are available on the integer primitives via the wrapping_add
method. For example, std::u32::wrapping_add
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Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/intrinsics/fn.overflowing_add.html