#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(wrapping_next_power_of_two)]
fn main() {
    assert_eq!(2u8.wrapping_next_power_of_two(), 2);
    assert_eq!(3u8.wrapping_next_power_of_two(), 4);
    assert_eq!(u8::MAX.wrapping_next_power_of_two(), 0);
}