mirror of
https://github.com/rust-lang/rust-clippy
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136 lines
5.8 KiB
Text
136 lines
5.8 KiB
Text
error: transmute from a pointer type (`*const T`) to a reference type (`&T`)
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--> $DIR/transmute_ptr_to_ref.rs:7:17
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LL | let _: &T = std::mem::transmute(p);
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| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*p`
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= note: `-D clippy::transmute-ptr-to-ref` implied by `-D warnings`
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error: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
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--> $DIR/transmute_ptr_to_ref.rs:10:21
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LL | let _: &mut T = std::mem::transmute(m);
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| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *m`
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error: transmute from a pointer type (`*mut T`) to a reference type (`&T`)
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--> $DIR/transmute_ptr_to_ref.rs:13:17
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LL | let _: &T = std::mem::transmute(m);
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| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*m`
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error: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
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--> $DIR/transmute_ptr_to_ref.rs:16:21
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LL | let _: &mut T = std::mem::transmute(p as *mut T);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(p as *mut T)`
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error: transmute from a pointer type (`*const U`) to a reference type (`&T`)
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--> $DIR/transmute_ptr_to_ref.rs:19:17
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LL | let _: &T = std::mem::transmute(o);
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| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(o as *const T)`
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error: transmute from a pointer type (`*mut U`) to a reference type (`&mut T`)
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--> $DIR/transmute_ptr_to_ref.rs:22:21
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LL | let _: &mut T = std::mem::transmute(om);
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| ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(om as *mut T)`
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error: transmute from a pointer type (`*mut U`) to a reference type (`&T`)
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--> $DIR/transmute_ptr_to_ref.rs:25:17
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LL | let _: &T = std::mem::transmute(om);
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| ^^^^^^^^^^^^^^^^^^^^^^^ 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>`)
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--> $DIR/transmute_ptr_to_ref.rs:35:32
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LL | let _: &Foo<u8> = unsafe { std::mem::transmute::<_, &Foo<_>>(raw) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*raw.cast::<Foo<_>>()`
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error: transmute from a pointer type (`*const i32`) to a reference type (`&_issue1231::Foo<'_, &u8>`)
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--> $DIR/transmute_ptr_to_ref.rs:37:33
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LL | let _: &Foo<&u8> = unsafe { std::mem::transmute::<_, &Foo<&_>>(raw) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*raw.cast::<Foo<&_>>()`
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error: transmute from a pointer type (`*const i32`) to a reference type (`&u8`)
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--> $DIR/transmute_ptr_to_ref.rs:41:14
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LL | unsafe { std::mem::transmute::<_, Bar>(raw) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(raw as *const u8)`
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error: transmute from a pointer type (`*const &u32`) to a reference type (`&&u32`)
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--> $DIR/transmute_ptr_to_ref.rs:46:14
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LL | 0 => std::mem::transmute(x),
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| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*x.cast::<&u32>()`
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error: transmute from a pointer type (`*const &u32`) to a reference type (`&&u32`)
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--> $DIR/transmute_ptr_to_ref.rs:47:14
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LL | 1 => std::mem::transmute(y),
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| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*y.cast::<&u32>()`
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error: transmute from a pointer type (`*const &u32`) to a reference type (`&&u32`)
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--> $DIR/transmute_ptr_to_ref.rs:48:14
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LL | 2 => std::mem::transmute::<_, &&'b u32>(x),
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*x.cast::<&'b u32>()`
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error: transmute from a pointer type (`*const &u32`) to a reference type (`&&u32`)
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--> $DIR/transmute_ptr_to_ref.rs:49:14
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LL | _ => std::mem::transmute::<_, &&'b u32>(y),
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*y.cast::<&'b u32>()`
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error: transmute from a pointer type (`*const u32`) to a reference type (`&u32`)
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--> $DIR/transmute_ptr_to_ref.rs:57:19
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LL | let _: &u32 = std::mem::transmute(a);
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| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*a`
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error: transmute from a pointer type (`*const u32`) to a reference type (`&u32`)
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--> $DIR/transmute_ptr_to_ref.rs:58:19
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LL | let _: &u32 = std::mem::transmute::<_, &u32>(a);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*a.cast::<u32>()`
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error: transmute from a pointer type (`*const &u32`) to a reference type (`&&u32`)
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--> $DIR/transmute_ptr_to_ref.rs:60:14
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LL | 0 => std::mem::transmute(x),
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| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*x.cast::<&u32>()`
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error: transmute from a pointer type (`*const &u32`) to a reference type (`&&u32`)
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--> $DIR/transmute_ptr_to_ref.rs:61:14
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LL | _ => std::mem::transmute::<_, &&'b u32>(x),
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*x.cast::<&'b u32>()`
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error: transmute from a pointer type (`*const u32`) to a reference type (`&u32`)
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--> $DIR/transmute_ptr_to_ref.rs:69:19
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LL | let _: &u32 = std::mem::transmute(a);
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| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*a`
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error: transmute from a pointer type (`*const u32`) to a reference type (`&u32`)
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--> $DIR/transmute_ptr_to_ref.rs:70:19
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LL | let _: &u32 = std::mem::transmute::<_, &u32>(a);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(a as *const u32)`
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error: transmute from a pointer type (`*const &u32`) to a reference type (`&&u32`)
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--> $DIR/transmute_ptr_to_ref.rs:72:14
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LL | 0 => std::mem::transmute(x),
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| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(x as *const () as *const &u32)`
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error: transmute from a pointer type (`*const &u32`) to a reference type (`&&u32`)
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--> $DIR/transmute_ptr_to_ref.rs:73:14
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LL | _ => std::mem::transmute::<_, &&'b u32>(x),
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(x as *const () as *const &'b u32)`
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error: aborting due to 22 previous errors
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