pub unsafe extern "rust-intrinsic" fn add_with_overflow<T>(x: T, y: T) -> (T, bool)
Performs checked integer addition. The stabilized versions of this intrinsic are available on the integer primitives via the overflowing_add
method. For example, std::u32::overflowing_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.add_with_overflow.html