error: transmute from a type (`&T`) to itself --> $DIR/transmute_ptr_to_ptr.rs:8:5 | LL | std::mem::transmute::<&'a T, &'static T>(t) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::useless-transmute` implied by `-D warnings` error: transmute from a type (`&T`) to itself --> $DIR/transmute_ptr_to_ptr.rs:13:5 | LL | std::mem::transmute::<&'a T, &'b T>(t) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: transmute from a pointer to a pointer --> $DIR/transmute_ptr_to_ptr.rs:29:29 | LL | let _: *const f32 = std::mem::transmute(ptr); | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr as *const f32` | = note: `-D clippy::transmute-ptr-to-ptr` implied by `-D warnings` error: transmute from a pointer to a pointer --> $DIR/transmute_ptr_to_ptr.rs:30:27 | LL | let _: *mut f32 = std::mem::transmute(mut_ptr); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `mut_ptr as *mut f32` error: transmute from a reference to a reference --> $DIR/transmute_ptr_to_ptr.rs:32:23 | LL | let _: &f32 = std::mem::transmute(&1u32); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(&1u32 as *const u32 as *const f32)` error: transmute from a reference to a reference --> $DIR/transmute_ptr_to_ptr.rs:33:23 | LL | let _: &f64 = std::mem::transmute(&1f32); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(&1f32 as *const f32 as *const f64)` error: transmute from a reference to a reference --> $DIR/transmute_ptr_to_ptr.rs:36:27 | LL | let _: &mut f32 = std::mem::transmute(&mut 1u32); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(&mut 1u32 as *mut u32 as *mut f32)` error: transmute from a reference to a reference --> $DIR/transmute_ptr_to_ptr.rs:37:37 | LL | let _: &GenericParam = std::mem::transmute(&GenericParam { t: 1u32 }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(&GenericParam { t: 1u32 } as *const GenericParam as *const GenericParam)` error: transmute from a type (`&LifetimeParam`) to itself --> $DIR/transmute_ptr_to_ptr.rs:50:47 | LL | let _: &LifetimeParam<'static> = unsafe { std::mem::transmute(&lp) }; | ^^^^^^^^^^^^^^^^^^^^^^^^ error: transmute from a type (`&GenericParam<&LifetimeParam>`) to itself --> $DIR/transmute_ptr_to_ptr.rs:51:62 | LL | let _: &GenericParam<&LifetimeParam<'static>> = unsafe { std::mem::transmute(&GenericParam { t: &lp }) }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 10 previous errors