The atomics themselves sure, but I guess often they'll be used as a barrier to protect an UnsafeCell or something, like in the implementation of Lazy<T>: https:

The atomics themselves sure, but I guess often they'll be used as a barrier to protect an UnsafeCell or something, like in the implementation of Lazy<T>: https://docs.rs/lazy-init/0.5.0/src/lazy_init/lib.rs.html#85 https://docs.rs/lazy-init/0.5.0/src/lazy_init/lib.rs.html#85