update hashbrown to v0.15 #314
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This PR should be split up - #10 is no longer valid and thus I have removed the |
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hashbrown removed the RawTable API, requiring dashmap to use
HashTableinstead. This was the API I wanted dashmap 6 to use initially as the shards being RawTable means unsafe is often necessary.Due to needing some more RwLock mapping support when it comes to HashTable iterators and such, I designed the
RwLockReadGuardDetachedwhich cleans up a fair amount of pointer shenanigans around the codebase.In the process, I also decided to remove all the
unsafe impl Sendand make the RawRwLock guard be Send instead, as it seemingly is intended to be.miriwith both stacked and tree borrows seem happy still, and there's a lot less unsafe in the process.