error: the `y @ _` pattern can be written as just `y` --> $DIR/patterns.rs:15:9 | LL | y @ _ => (), | ^^^^^ help: try: `y` | = note: `-D clippy::redundant-pattern` implied by `-D warnings` error: the `x @ _` pattern can be written as just `x` --> $DIR/patterns.rs:30:9 | LL | ref mut x @ _ => { | ^^^^^^^^^^^^^ help: try: `ref mut x` error: the `x @ _` pattern can be written as just `x` --> $DIR/patterns.rs:38:9 | LL | ref x @ _ => println!("vec: {:?}", x), | ^^^^^^^^^ help: try: `ref x` error: aborting due to 3 previous errors