#![allow(dead_code, deprecated, unused_variables, unused_mut)]
fn main() {
    assert_eq!(100i8.abs_diff(80), 20u8);
    assert_eq!(100i8.abs_diff(110), 10u8);
    assert_eq!((- 100i8).abs_diff(80), 180u8);
    assert_eq!((- 100i8).abs_diff(- 120), 20u8);
    assert_eq!(i8::MIN.abs_diff(i8::MAX), u8::MAX);
}