#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(isolate_most_least_significant_one)]
use core::num::NonZero;
fn main() {
    test().unwrap();
}
fn test() -> Option<()> {
    let a = NonZero::<u8>::new(0b_01100100)?;
    let b = NonZero::<u8>::new(0b_01000000)?;
    assert_eq!(a.isolate_highest_one(), b);
    Some(())
}