Deprecate AtomicCell::compare_and_swap #619
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Feb 20, 2021
659: Prepare for the next release r=taiki-e a=taiki-e It's been over two months since the previous release. There are some improvements and deprecations in the master branch, and it would be nice to release them. Also, there is no breaking change that needs a major version bump. Changes: - crossbeam-epoch 0.9.1 -> 0.9.2 - Add `Atomic::compare_exchange` and `Atomic::compare_exchange_weak`. (#628) - Deprecate `Atomic::compare_and_set` and `Atomic::compare_and_set_weak`. (#628) - Make `const_fn` dependency optional. (#611) - Add unstable support for `loom`. (#487) - crossbeam-utils 0.8.1 -> 0.8.2 - Deprecate `AtomicCell::compare_and_swap`. (#619) - Add `Parker::park_deadline`. (#563) - Improve implementation of `CachePadded`. (#636) - Add unstable support for `loom`. (#487) Co-authored-by: Taiki Endo <te316e89@gmail.com>
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The standard library deprecated
compare_and_swapin favor ofcompare_exchange(_weak)in 1.50. (rust-lang/rust#79261)Given why std
compare_and_swapwas deprecated, it probably makes sense to do the same withAtomicCell::compare_and_swap.Closes #618