Zeroable should be implemented for `Atomic*` about bytemuck HOT 4 CLOSED

Yeah, very good point. Well, at least zeroable should be implemented.

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If it's unsafe to cast &usize to &AtomicUsize then the AtomicUsize type doesn't fit with Pod, because Pod allows casting between &T and &U when the size and alignment match.

Similarly, the TransparentWrapper trait isn't appropriate.

It's fine to have Zeroable, I suppose.

from bytemuck.

I think it might make sense to have new traits for immutable access, since that would allow safe casts to/from Cell/UnsafeCell/Atomic*, but even just Zeroable would be enough since that would allow the parking_lot mutexes to be zeroable and therefore it would be possible to safely create a heap-allocated array of them using calloc using the helpers in this crate.

I'll put a PR in to implement Zeroable and leave splitting the traits to later, since it's not necessary right now.

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I don't think you should read atomic values non-atomically.

from bytemuck.