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error: usage of ref pattern
--> $DIR/ref_patterns.rs:8:14
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LL | Some(ref opt) => {},
| ^^^^^^^
|
= help: consider using `&` for clarity instead
= note: `-D clippy::ref-patterns` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::ref_patterns)]`
error: usage of ref pattern
--> $DIR/ref_patterns.rs:15:9
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LL | let ref y = x;
| ^^^^^
|
= help: consider using `&` for clarity instead
error: usage of ref pattern
--> $DIR/ref_patterns.rs:19:21
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LL | fn use_in_parameter(ref x: i32) {}
| ^^^^^
|
= help: consider using `&` for clarity instead
error: aborting due to 3 previous errors
|
