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Add failing example for E0170 explanation #68211

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Jan 15, 2020
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Add failing example for E0170 explanation #68211

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Add failing example for E0170 explanation
GuillaumeGomez Jan 14, 2020
6801cf4
Update E0170.md
Dylan-DPC Jan 15, 2020
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21 changes: 21 additions & 0 deletions src/librustc_error_codes/error_codes/E0170.md
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@@ -1,3 +1,24 @@
A pattern binding is using the same name as one of the variants of a type.

Erroneous code example:

```compile_fail,E0170
# #![deny(warnings)]
enum Method {
GET,
POST,
}

fn is_empty(s: Method) -> bool {
match s {
GET => true,
_ => false
}
}

fn main() {}
```

Enum variants are qualified by default. For example, given this type:

```
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