core::intrinsics

Function unchecked_sub

Source
pub const unsafe fn unchecked_sub<T: Copy>(_x: T, _y: T) -> T
🔬This is a nightly-only experimental API. (core_intrinsics)
Expand description

Returns the result of an unchecked subtraction, resulting in undefined behavior when x - y > T::MAX or x - y < T::MIN.

The stable counterpart of this intrinsic is unchecked_sub on the various integer types, such as u16::unchecked_sub and i64::unchecked_sub.