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### What it does
Checks for `match` expressions modifying the case of a string with non-compliant arms
### Why is this bad?
The arm is unreachable, which is likely a mistake
### Example
```
match &*text.to_ascii_lowercase() {
"foo" => {},
"Bar" => {},
_ => {},
}
```
Use instead:
```
match &*text.to_ascii_lowercase() {
"foo" => {},
"bar" => {},
_ => {},
}
```
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