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authorbors[bot] <26634292+bors[bot]@users.noreply.github.com>2020-01-23 11:35:31 +0000
committerGitHub <[email protected]>2020-01-23 11:35:31 +0000
commit8a4c248c48ad7bb9ad556717ee013129c190dbfa (patch)
treed12e106a8fe4b2317d47f0ff727d34d4251fd2f8 /crates/ra_syntax
parent2fb8a461225800ca605a9f2e997cd5e82fb37574 (diff)
parent05aa5b854b230c2f6ba182c0f2c94f3de9a47204 (diff)
Merge #2898
2898: Remove RWLock from check watcher. r=matklad a=kiljacken @matklad mentioned this might be a good idea. So the general idea is that we don't really need the lock, as we can just clone the check watcher state when creating a snapshot. We can then use `Arc::get_mut` to get mutable access to the state from `WorldState` when needed. Running with this it seems to improve responsiveness a bit while cargo is running, but I have no hard numbers to prove it. In any case, a serialization point less is always better when we're trying to be responsive. Co-authored-by: Emil Lauridsen <[email protected]>
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