error: since `&` implements the `Copy` trait, `&Option<&T>` can be simplified to `Option<&T>` --> $DIR/ref_option_ref.rs:10:23 | LL | static REF_THRESHOLD: &Option<&i32> = &Some(&THRESHOLD); | ^^^^^^^^^^^^^ help: try: `Option<&i32>` | = note: `-D clippy::ref-option-ref` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::ref_option_ref)]` error: since `&` implements the `Copy` trait, `&Option<&T>` can be simplified to `Option<&T>` --> $DIR/ref_option_ref.rs:14:18 | LL | const REF_CONST: &Option<&i32> = &Some(CONST_THRESHOLD); | ^^^^^^^^^^^^^ help: try: `Option<&i32>` error: since `&` implements the `Copy` trait, `&Option<&T>` can be simplified to `Option<&T>` --> $DIR/ref_option_ref.rs:17:25 | LL | type RefOptRefU32<'a> = &'a Option<&'a u32>; | ^^^^^^^^^^^^^^^^^^^ help: try: `Option<&'a u32>` error: since `&` implements the `Copy` trait, `&Option<&T>` can be simplified to `Option<&T>` --> $DIR/ref_option_ref.rs:19:25 | LL | type RefOptRef<'a, T> = &'a Option<&'a T>; | ^^^^^^^^^^^^^^^^^ help: try: `Option<&'a T>` error: since `&` implements the `Copy` trait, `&Option<&T>` can be simplified to `Option<&T>` --> $DIR/ref_option_ref.rs:22:14 | LL | fn foo(data: &Option<&u32>) {} | ^^^^^^^^^^^^^ help: try: `Option<&u32>` error: since `&` implements the `Copy` trait, `&Option<&T>` can be simplified to `Option<&T>` --> $DIR/ref_option_ref.rs:25:23 | LL | fn bar(data: &u32) -> &Option<&u32> { | ^^^^^^^^^^^^^ help: try: `Option<&u32>` error: since `&` implements the `Copy` trait, `&Option<&T>` can be simplified to `Option<&T>` --> $DIR/ref_option_ref.rs:31:11 | LL | data: &'a Option<&'a u32>, | ^^^^^^^^^^^^^^^^^^^ help: try: `Option<&'a u32>` error: since `&` implements the `Copy` trait, `&Option<&T>` can be simplified to `Option<&T>` --> $DIR/ref_option_ref.rs:35:32 | LL | struct StructTupleRef<'a>(u32, &'a Option<&'a u32>); | ^^^^^^^^^^^^^^^^^^^ help: try: `Option<&'a u32>` error: since `&` implements the `Copy` trait, `&Option<&T>` can be simplified to `Option<&T>` --> $DIR/ref_option_ref.rs:40:14 | LL | Variant2(&'a Option<&'a u32>), | ^^^^^^^^^^^^^^^^^^^ help: try: `Option<&'a u32>` error: since `&` implements the `Copy` trait, `&Option<&T>` can be simplified to `Option<&T>` --> $DIR/ref_option_ref.rs:50:14 | LL | type A = &'static Option<&'static Self>; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Option<&'static Self>` error: since `&` implements the `Copy` trait, `&Option<&T>` can be simplified to `Option<&T>` --> $DIR/ref_option_ref.rs:57:12 | LL | let x: &Option<&u32> = &None; | ^^^^^^^^^^^^^ help: try: `Option<&u32>` error: aborting due to 11 previous errors