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[Docs] intro typo

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Neil Pankey 2014-10-18 16:15:38 -07:00 committed by Neil Pankey
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src/doc/intro.md
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@ -442,10 +442,10 @@ It gives us this error:
```
It mentions that "numbers moved into closure environment". Because we referred
to `numbers` inside of our `proc`, and we create ten `proc`s, we would have ten
references. Rust detects this and gives us the error: we claim that `numbers`
has ownership, but our code tries to make ten owners. This may cause a safety
problem, so Rust disallows it.
to `numbers` inside of our `proc`, and we create three `proc`s, we would have
three references. Rust detects this and gives us the error: we claim that
`numbers` has ownership, but our code tries to make ten owners. This may cause
a safety problem, so Rust disallows it.
What to do here? Rust has two types that helps us: `Arc<T>` and `Mutex<T>`.
"Arc" stands for "atomically reference counted." In other words, an Arc will