#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(atomic_from_mut)]
use std::sync::atomic::{AtomicBool, Ordering};
fn main() {
    let mut some_bool = true;
    let a = AtomicBool::from_mut(&mut some_bool);
    a.store(false, Ordering::Relaxed);
    assert_eq!(some_bool, false);
}