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Code Issues Releases Activity

Simplify language on mutex page (#2440)

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The “iff” phrasing has confused people in the past.
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Martin Geisler 2024-10-18 03:04:10 -04:00 committed by GitHub
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4
src/concurrency/shared-state/mutex.md
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@ -39,8 +39,8 @@ implementation.
protected data.
- You can get an `&mut T` from an `&Mutex<T>` by taking the lock. The
`MutexGuard` ensures that the `&mut T` doesn't outlive the lock being held.
- `Mutex<T>` implements both `Send` and `Sync` iff (if and only if) `T`
implements `Send`.
- `Mutex<T>` implements both `Send` and `Sync` if and only if `T` implements
`Send`.
- A read-write lock counterpart: `RwLock`.
- Why does `lock()` return a `Result`?
- If the thread that held the `Mutex` panicked, the `Mutex` becomes "poisoned"