pub const extern "rust-intrinsic" fn sub_with_overflow<T>( x: T, y: T) -> (T, bool) where T: Copy,
Performs checked integer subtraction
The stabilized versions of this intrinsic are available on the integer primitives via the overflowing_sub
method. For example, u32::overflowing_sub
© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/intrinsics/fn.sub_with_overflow.html