atomic_once_cell provides two new types, [AtomicOnceCell] and
[AtomicLazy], which are thread-safe and lock-free versions of
[core::lazy::OnceCell] and [core::lazy::Lazy].
atomic_once_cell provides two new types, [AtomicOnceCell] and
[AtomicLazy], which are thread-safe and lock-free versions of
[core::lazy::OnceCell] and [core::lazy::Lazy].