mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-30 16:39:26 +00:00
246 lines
10 KiB
Text
246 lines
10 KiB
Text
error: transmute from a type (`&'a T`) to itself
|
|
--> $DIR/transmute.rs:22:20
|
|
|
|
|
22 | let _: &'a T = core::intrinsics::transmute(t);
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
= note: `-D clippy::useless-transmute` implied by `-D warnings`
|
|
|
|
error: transmute from a reference to a pointer
|
|
--> $DIR/transmute.rs:26:23
|
|
|
|
|
26 | let _: *const T = core::intrinsics::transmute(t);
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `t as *const T`
|
|
|
|
error: transmute from a reference to a pointer
|
|
--> $DIR/transmute.rs:28:21
|
|
|
|
|
28 | let _: *mut T = core::intrinsics::transmute(t);
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `t as *const T as *mut T`
|
|
|
|
error: transmute from a reference to a pointer
|
|
--> $DIR/transmute.rs:30:23
|
|
|
|
|
30 | let _: *const U = core::intrinsics::transmute(t);
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `t as *const T as *const U`
|
|
|
|
error: transmute from a pointer type (`*const T`) to a reference type (`&T`)
|
|
--> $DIR/transmute.rs:35:17
|
|
|
|
|
35 | let _: &T = std::mem::transmute(p);
|
|
| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*p`
|
|
|
|
|
= note: `-D clippy::transmute-ptr-to-ref` implied by `-D warnings`
|
|
|
|
error: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
|
|
--> $DIR/transmute.rs:38:21
|
|
|
|
|
38 | let _: &mut T = std::mem::transmute(m);
|
|
| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *m`
|
|
|
|
error: transmute from a pointer type (`*mut T`) to a reference type (`&T`)
|
|
--> $DIR/transmute.rs:41:17
|
|
|
|
|
41 | let _: &T = std::mem::transmute(m);
|
|
| ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*m`
|
|
|
|
error: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
|
|
--> $DIR/transmute.rs:44:21
|
|
|
|
|
44 | 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`)
|
|
--> $DIR/transmute.rs:47:17
|
|
|
|
|
47 | 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`)
|
|
--> $DIR/transmute.rs:50:21
|
|
|
|
|
50 | 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`)
|
|
--> $DIR/transmute.rs:53:17
|
|
|
|
|
53 | let _: &T = std::mem::transmute(om);
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(om as *const T)`
|
|
|
|
error: transmute from a pointer type (`*const i32`) to a reference type (`&issue1231::Foo<'_, u8>`)
|
|
--> $DIR/transmute.rs:64:32
|
|
|
|
|
64 | let _: &Foo<u8> = unsafe { std::mem::transmute::<_, &Foo<_>>(raw) };
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(raw as *const Foo<_>)`
|
|
|
|
error: transmute from a pointer type (`*const i32`) to a reference type (`&issue1231::Foo<'_, &u8>`)
|
|
--> $DIR/transmute.rs:66:33
|
|
|
|
|
66 | let _: &Foo<&u8> = unsafe { std::mem::transmute::<_, &Foo<&_>>(raw) };
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(raw as *const Foo<&_>)`
|
|
|
|
error: transmute from a pointer type (`*const i32`) to a reference type (`&u8`)
|
|
--> $DIR/transmute.rs:70:14
|
|
|
|
|
70 | unsafe { std::mem::transmute::<_, Bar>(raw) };
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(raw as *const u8)`
|
|
|
|
error: transmute from a type (`std::vec::Vec<i32>`) to itself
|
|
--> $DIR/transmute.rs:76:27
|
|
|
|
|
76 | let _: Vec<i32> = core::intrinsics::transmute(my_vec());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: transmute from a type (`std::vec::Vec<i32>`) to itself
|
|
--> $DIR/transmute.rs:78:27
|
|
|
|
|
78 | let _: Vec<i32> = core::mem::transmute(my_vec());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: transmute from a type (`std::vec::Vec<i32>`) to itself
|
|
--> $DIR/transmute.rs:80:27
|
|
|
|
|
80 | let _: Vec<i32> = std::intrinsics::transmute(my_vec());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: transmute from a type (`std::vec::Vec<i32>`) to itself
|
|
--> $DIR/transmute.rs:82:27
|
|
|
|
|
82 | let _: Vec<i32> = std::mem::transmute(my_vec());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: transmute from a type (`std::vec::Vec<i32>`) to itself
|
|
--> $DIR/transmute.rs:84:27
|
|
|
|
|
84 | let _: Vec<i32> = my_transmute(my_vec());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: transmute from an integer to a pointer
|
|
--> $DIR/transmute.rs:92:31
|
|
|
|
|
92 | let _: *const usize = std::mem::transmute(5_isize);
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `5_isize as *const usize`
|
|
|
|
error: transmute from an integer to a pointer
|
|
--> $DIR/transmute.rs:96:31
|
|
|
|
|
96 | let _: *const usize = std::mem::transmute(1+1usize);
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(1+1usize) as *const usize`
|
|
|
|
error: transmute from a type (`*const Usize`) to the type that it points to (`Usize`)
|
|
--> $DIR/transmute.rs:111:24
|
|
|
|
|
111 | let _: Usize = core::intrinsics::transmute(int_const_ptr);
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
= note: `-D clippy::crosspointer-transmute` implied by `-D warnings`
|
|
|
|
error: transmute from a type (`*mut Usize`) to the type that it points to (`Usize`)
|
|
--> $DIR/transmute.rs:113:24
|
|
|
|
|
113 | let _: Usize = core::intrinsics::transmute(int_mut_ptr);
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: transmute from a type (`Usize`) to a pointer to that type (`*const Usize`)
|
|
--> $DIR/transmute.rs:115:31
|
|
|
|
|
115 | let _: *const Usize = core::intrinsics::transmute(my_int());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: transmute from a type (`Usize`) to a pointer to that type (`*mut Usize`)
|
|
--> $DIR/transmute.rs:117:29
|
|
|
|
|
117 | let _: *mut Usize = core::intrinsics::transmute(my_int());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: transmute from a `u32` to a `char`
|
|
--> $DIR/transmute.rs:123:28
|
|
|
|
|
123 | let _: char = unsafe { std::mem::transmute(0_u32) };
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::char::from_u32(0_u32).unwrap()`
|
|
|
|
|
= note: `-D clippy::transmute-int-to-char` implied by `-D warnings`
|
|
|
|
error: transmute from a `i32` to a `char`
|
|
--> $DIR/transmute.rs:124:28
|
|
|
|
|
124 | let _: char = unsafe { std::mem::transmute(0_i32) };
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::char::from_u32(0_i32 as u32).unwrap()`
|
|
|
|
error: transmute from a `u8` to a `bool`
|
|
--> $DIR/transmute.rs:129:28
|
|
|
|
|
129 | let _: bool = unsafe { std::mem::transmute(0_u8) };
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `0_u8 != 0`
|
|
|
|
|
= note: `-D clippy::transmute-int-to-bool` implied by `-D warnings`
|
|
|
|
error: transmute from a `u32` to a `f32`
|
|
--> $DIR/transmute.rs:134:27
|
|
|
|
|
134 | let _: f32 = unsafe { std::mem::transmute(0_u32) };
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(0_u32)`
|
|
|
|
|
= note: `-D clippy::transmute-int-to-float` implied by `-D warnings`
|
|
|
|
error: transmute from a `i32` to a `f32`
|
|
--> $DIR/transmute.rs:135:27
|
|
|
|
|
135 | let _: f32 = unsafe { std::mem::transmute(0_i32) };
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(0_i32 as u32)`
|
|
|
|
error: transmute from a `&[u8]` to a `&str`
|
|
--> $DIR/transmute.rs:139:28
|
|
|
|
|
139 | let _: &str = unsafe { std::mem::transmute(b) };
|
|
| ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::str::from_utf8(b).unwrap()`
|
|
|
|
|
= note: `-D clippy::transmute-bytes-to-str` implied by `-D warnings`
|
|
|
|
error: transmute from a `&mut [u8]` to a `&mut str`
|
|
--> $DIR/transmute.rs:140:32
|
|
|
|
|
140 | let _: &mut str = unsafe { std::mem::transmute(mb) };
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::str::from_utf8_mut(mb).unwrap()`
|
|
|
|
error: transmute from a pointer to a pointer
|
|
--> $DIR/transmute.rs:172:29
|
|
|
|
|
172 | 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.rs:173:27
|
|
|
|
|
173 | 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.rs:175:23
|
|
|
|
|
175 | 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.rs:176:23
|
|
|
|
|
176 | 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.rs:179:27
|
|
|
|
|
179 | 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.rs:180:37
|
|
|
|
|
180 | let _: &GenericParam<f32> = std::mem::transmute(&GenericParam { t: 1u32 });
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(&GenericParam { t: 1u32 } as *const GenericParam<u32> as *const GenericParam<f32>)`
|
|
|
|
error: aborting due to 38 previous errors
|
|
|