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### What it does
It checks for `str::bytes().count()` and suggests replacing it with
`str::len()`.
### Why is this bad?
`str::bytes().count()` is longer and may not be as performant as using
`str::len()`.
### Example
```
"hello".bytes().count();
String::from("hello").bytes().count();
```
Use instead:
```
"hello".len();
String::from("hello").len();
```
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