#![allow(dead_code, deprecated, unused_variables, unused_mut)]
fn main() {
    assert_eq!(1u8.wrapping_sub_signed(2), u8::MAX);
    assert_eq!(1u8.wrapping_sub_signed(- 2), 3);
    assert_eq!((u8::MAX - 2).wrapping_sub_signed(- 4), 1);
}