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Auto merge of #31959 - teoryn:patch-4, r=Manishearth

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bors 2016-02-29 01:50:34 +00:00
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src/doc/book/concurrency.md
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@ -259,7 +259,7 @@ thread::spawn(move || {
``` ```
First, we call `lock()`, which acquires the mutex's lock. Because this may fail, First, we call `lock()`, which acquires the mutex's lock. Because this may fail,
it returns an `Result<T, E>`, and because this is just an example, we `unwrap()` it returns a `Result<T, E>`, and because this is just an example, we `unwrap()`
it to get a reference to the data. Real code would have more robust error handling it to get a reference to the data. Real code would have more robust error handling
here. We're then free to mutate it, since we have the lock. here. We're then free to mutate it, since we have the lock.