rust/tests/ui/transmute_ptr_to_ref.stderr

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error: transmute from a pointer type (`*const T`) to a reference type (`&T`)
--> tests/ui/transmute_ptr_to_ref.rs:5:17
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|
LL | let _: &T = std::mem::transmute(p);
| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*p`
|
= note: `-D clippy::transmute-ptr-to-ref` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::transmute_ptr_to_ref)]`
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error: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
--> tests/ui/transmute_ptr_to_ref.rs:8:21
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|
LL | let _: &mut T = std::mem::transmute(m);
| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *m`
error: transmute from a pointer type (`*mut T`) to a reference type (`&T`)
--> tests/ui/transmute_ptr_to_ref.rs:11:17
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|
LL | let _: &T = std::mem::transmute(m);
| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*m`
error: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
--> tests/ui/transmute_ptr_to_ref.rs:14:21
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LL | let _: &mut T = std::mem::transmute(p as *mut T);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(p as *mut T)`
error: transmute from a pointer type (`*const U`) to a reference type (`&T`)
--> tests/ui/transmute_ptr_to_ref.rs:17:17
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|
LL | let _: &T = std::mem::transmute(o);
| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(o as *const T)`
error: transmute from a pointer type (`*mut U`) to a reference type (`&mut T`)
--> tests/ui/transmute_ptr_to_ref.rs:20:21
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LL | let _: &mut T = std::mem::transmute(om);
| ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(om as *mut T)`
error: transmute from a pointer type (`*mut U`) to a reference type (`&T`)
--> tests/ui/transmute_ptr_to_ref.rs:23:17
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LL | let _: &T = std::mem::transmute(om);
| ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(om as *const T)`
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error: transmute from a pointer type (`*const i32`) to a reference type (`&_issue1231::Foo<'_, u8>`)
--> tests/ui/transmute_ptr_to_ref.rs:33:32
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LL | let _: &Foo<u8> = unsafe { std::mem::transmute::<_, &Foo<_>>(raw) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*raw.cast::<Foo<_>>()`
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error: transmute from a pointer type (`*const i32`) to a reference type (`&_issue1231::Foo<'_, &u8>`)
--> tests/ui/transmute_ptr_to_ref.rs:35:33
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|
LL | let _: &Foo<&u8> = unsafe { std::mem::transmute::<_, &Foo<&_>>(raw) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*raw.cast::<Foo<&_>>()`
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error: transmute from a pointer type (`*const i32`) to a reference type (`&u8`)
--> tests/ui/transmute_ptr_to_ref.rs:39:14
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LL | unsafe { std::mem::transmute::<_, Bar>(raw) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(raw as *const u8)`
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error: transmute from a pointer type (`*const &u32`) to a reference type (`&&u32`)
--> tests/ui/transmute_ptr_to_ref.rs:44:14
|
LL | 0 => std::mem::transmute(x),
| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*x.cast::<&u32>()`
error: transmute from a pointer type (`*const &u32`) to a reference type (`&&u32`)
--> tests/ui/transmute_ptr_to_ref.rs:45:14
|
LL | 1 => std::mem::transmute(y),
| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*y.cast::<&u32>()`
error: transmute from a pointer type (`*const &u32`) to a reference type (`&&u32`)
--> tests/ui/transmute_ptr_to_ref.rs:46:14
|
LL | 2 => std::mem::transmute::<_, &&'b u32>(x),
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*x.cast::<&'b u32>()`
error: transmute from a pointer type (`*const &u32`) to a reference type (`&&u32`)
--> tests/ui/transmute_ptr_to_ref.rs:47:14
|
LL | _ => std::mem::transmute::<_, &&'b u32>(y),
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*y.cast::<&'b u32>()`
error: transmute from a pointer type (`*const u32`) to a reference type (`&u32`)
--> tests/ui/transmute_ptr_to_ref.rs:55:19
|
LL | let _: &u32 = std::mem::transmute(a);
| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*a`
error: transmute from a pointer type (`*const u32`) to a reference type (`&u32`)
--> tests/ui/transmute_ptr_to_ref.rs:56:19
|
LL | let _: &u32 = std::mem::transmute::<_, &u32>(a);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*a.cast::<u32>()`
error: transmute from a pointer type (`*const &u32`) to a reference type (`&&u32`)
--> tests/ui/transmute_ptr_to_ref.rs:58:14
|
LL | 0 => std::mem::transmute(x),
| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*x.cast::<&u32>()`
error: transmute from a pointer type (`*const &u32`) to a reference type (`&&u32`)
--> tests/ui/transmute_ptr_to_ref.rs:59:14
|
LL | _ => std::mem::transmute::<_, &&'b u32>(x),
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*x.cast::<&'b u32>()`
error: transmute from a pointer type (`*const u32`) to a reference type (`&u32`)
--> tests/ui/transmute_ptr_to_ref.rs:67:19
|
LL | let _: &u32 = std::mem::transmute(a);
| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*a`
error: transmute from a pointer type (`*const u32`) to a reference type (`&u32`)
--> tests/ui/transmute_ptr_to_ref.rs:68:19
|
LL | let _: &u32 = std::mem::transmute::<_, &u32>(a);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(a as *const u32)`
error: transmute from a pointer type (`*const &u32`) to a reference type (`&&u32`)
--> tests/ui/transmute_ptr_to_ref.rs:70:14
|
LL | 0 => std::mem::transmute(x),
| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(x as *const () as *const &u32)`
error: transmute from a pointer type (`*const &u32`) to a reference type (`&&u32`)
--> tests/ui/transmute_ptr_to_ref.rs:71:14
|
LL | _ => std::mem::transmute::<_, &&'b u32>(x),
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(x as *const () as *const &'b u32)`
error: aborting due to 22 previous errors
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