use std::sync::atomic::{AtomicBool, Ordering::*}; static mut ATOMIC: AtomicBool = AtomicBool::new(false); fn main() { unsafe { assert_eq!(*ATOMIC.get_mut(), false); ATOMIC.store(true, SeqCst); assert_eq!(*ATOMIC.get_mut(), true); ATOMIC.fetch_or(false, SeqCst); assert_eq!(*ATOMIC.get_mut(), true); ATOMIC.fetch_and(false, SeqCst); assert_eq!(*ATOMIC.get_mut(), false); ATOMIC.fetch_nand(true, SeqCst); assert_eq!(*ATOMIC.get_mut(), true); ATOMIC.fetch_xor(true, SeqCst); assert_eq!(*ATOMIC.get_mut(), false); } }