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: to override `-D warnings` add `#[allow(clippy::ref_binding_to_reference)]` help: try | LL | Some(x) => &x, | ~ ~~ error: this pattern creates a reference to a reference --> $DIR/ref_binding_to_reference.rs:39:14 | LL | Some(ref x) => { | ^^^^^ | help: try | LL ~ Some(x) => { LL | LL | f1(x); LL ~ f1(x); LL ~ &x | error: this pattern creates a reference to a reference --> $DIR/ref_binding_to_reference.rs:50:14 | LL | Some(ref x) => m2!(x), | ^^^^^ | help: try | LL | Some(x) => m2!(&x), | ~ ~~ error: this pattern creates a reference to a reference --> $DIR/ref_binding_to_reference.rs:56:15 | LL | let _ = |&ref x: &&String| { | ^^^^^ | help: try | LL ~ let _ = |&x: &&String| { LL | LL ~ let _: &&String = &x; | error: this pattern creates a reference to a reference --> $DIR/ref_binding_to_reference.rs:63:12 | LL | fn f2<'a>(&ref x: &&'a String) -> &'a String { | ^^^^^ | help: try | LL ~ fn f2<'a>(&x: &&'a String) -> &'a String { LL | LL ~ let _: &&String = &x; LL ~ x | error: this pattern creates a reference to a reference --> $DIR/ref_binding_to_reference.rs:71:11 | LL | fn f(&ref x: &&String) { | ^^^^^ | help: try | LL ~ fn f(&x: &&String) { LL | LL ~ let _: &&String = &x; | error: this pattern creates a reference to a reference --> $DIR/ref_binding_to_reference.rs:80:11 | LL | fn f(&ref x: &&String) { | ^^^^^ | help: try | LL ~ fn f(&x: &&String) { LL | LL ~ let _: &&String = &x; | error: aborting due to 7 previous errors