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When moving out of a for loop head, suggest borrowing it #59195

Merged
merged 2 commits into from
Mar 25, 2019
Merged

When moving out of a for loop head, suggest borrowing it #59195

merged 2 commits into from
Mar 25, 2019

Commits on Mar 24, 2019

  1. When moving out of a for loop head, suggest borrowing it 

    When encountering code like the following, suggest borrowing the for loop
head to avoid moving it into the for loop pattern:

```
fn main() {
    let a = vec![1, 2, 3];
    for i in &a {
        for j in a {
            println!("{} * {} = {}", i, j, i * j);
        }
    }
}
```
    @estebank
    estebank committed Mar 24, 2019
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  2. Add nll test

    @estebank
    estebank committed Mar 24, 2019
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