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change to iterate over &vet

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FuGangqiang 2015-02-28 09:59:52 +08:00
parent 05bdfe8e2e
commit 69bfb6f717
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src/doc/intro.md
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@ -565,7 +565,7 @@ while retaining safety. The answer is iterators:
```{rust}
let vec = vec![1, 2, 3];
for x in vec {
for x in &vec {
println!("{}", x);
}
```