error: this pattern creates a reference to a reference --> $DIR/ref_binding_to_reference.rs:31:14 | LL | Some(ref x) => x, | ^^^^^ | = note: `-D clippy::ref-binding-to-reference` implied by `-D warnings` help: try this | LL | Some(x) => &x, | ^ ^^ error: this pattern creates a reference to a reference --> $DIR/ref_binding_to_reference.rs:37:14 | LL | Some(ref x) => { | ^^^^^ | help: try this | LL | Some(x) => { LL | f1(x); LL | f1(x); LL | &x | error: this pattern creates a reference to a reference --> $DIR/ref_binding_to_reference.rs:47:14 | LL | Some(ref x) => m2!(x), | ^^^^^ | help: try this | LL | Some(x) => m2!(&x), | ^ ^^ error: this pattern creates a reference to a reference --> $DIR/ref_binding_to_reference.rs:52:15 | LL | let _ = |&ref x: &&String| { | ^^^^^ | help: try this | LL | let _ = |&x: &&String| { LL | let _: &&String = &x; | error: this pattern creates a reference to a reference --> $DIR/ref_binding_to_reference.rs:58:12 | LL | fn f2<'a>(&ref x: &&'a String) -> &'a String { | ^^^^^ | help: try this | LL | fn f2<'a>(&x: &&'a String) -> &'a String { LL | let _: &&String = &x; LL | x | error: this pattern creates a reference to a reference --> $DIR/ref_binding_to_reference.rs:65:11 | LL | fn f(&ref x: &&String) { | ^^^^^ | help: try this | LL | fn f(&x: &&String) { LL | let _: &&String = &x; | error: this pattern creates a reference to a reference --> $DIR/ref_binding_to_reference.rs:73:11 | LL | fn f(&ref x: &&String) { | ^^^^^ | help: try this | LL | fn f(&x: &&String) { LL | let _: &&String = &x; | error: aborting due to 7 previous errors