src/tools/clippy/src/docs/manual_str_repeat.txt


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### What it does
Checks for manual implementations of `str::repeat`

### Why is this bad?
These are both harder to read, as well as less performant.

### Example
```
let x: String = std::iter::repeat('x').take(10).collect();
```

Use instead:
```
let x: String = "x".repeat(10);
```