Module malachite_base::num::arithmetic::saturating_neg

SaturatingNeg and SaturatingNegAssign, traits for negating a number and saturating at numeric bounds instead of overflowing.

saturating_neg_assign

use malachite_base::num::arithmetic::traits::SaturatingNegAssign;

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

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

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

let mut x = -128i8;
x.saturating_neg_assign();
assert_eq!(x, 127);