#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(isolate_most_least_significant_one)]
fn main() {
    let n: u8 = 0b_01100100;
    assert_eq!(n.isolate_lowest_one(), 0b_00000100);
    assert_eq!(0_u8.isolate_lowest_one(), 0);
}