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