Module malachite_base::num::arithmetic::overflowing_neg

OverflowingNeg and OverflowingNegAssign, traits for negating a number and returning a boolean indicating whether an overflow occurred.

overflowing_neg_assign

use malachite_base::num::arithmetic::traits::OverflowingNegAssign;

let mut x = 0i8;
assert_eq!(x.overflowing_neg_assign(), false);
assert_eq!(x, 0);

let mut x = 100u64;
assert_eq!(x.overflowing_neg_assign(), true);
assert_eq!(x, 18446744073709551516);

let mut x = -100i64;
assert_eq!(x.overflowing_neg_assign(), false);
assert_eq!(x, 100);

let mut x = -128i8;
assert_eq!(x.overflowing_neg_assign(), true);
assert_eq!(x, -128);