Rust NonZeroI16.overflowing_abs用法及代码示例

#![feature(nonzero_ops)]

let pos = NonZeroI16::new(1)?;
let neg = NonZeroI16::new(-1)?;
let min = NonZeroI16::new(i16::MIN)?;

assert_eq!((pos, false), pos.overflowing_abs());
assert_eq!((pos, false), neg.overflowing_abs());
assert_eq!((min, true), min.overflowing_abs());