#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::sync::atomic::{AtomicI8, Ordering};
fn main() {
    let some_var = AtomicI8::new(5);
    assert_eq!(
        some_var.compare_exchange(5, 10, Ordering::Acquire, Ordering::Relaxed), Ok(5)
    );
    assert_eq!(some_var.load(Ordering::Relaxed), 10);
    assert_eq!(
        some_var.compare_exchange(6, 12, Ordering::SeqCst, Ordering::Acquire), Err(10)
    );
    assert_eq!(some_var.load(Ordering::Relaxed), 10);
}