-warning: transmute from a type (`&'a T`) to itself
- --> $DIR/transmute.rs:22:20
+error: transmute from a type (`&'a T`) to itself
+ --> $DIR/transmute.rs:28:20
|
-22 | let _: &'a T = core::intrinsics::transmute(t);
+LL | let _: &'a T = core::intrinsics::transmute(t);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
- = note: #[warn(useless_transmute)] on by default
+ = note: `-D clippy::useless-transmute` implied by `-D warnings`
-warning: transmute from a reference to a pointer
- --> $DIR/transmute.rs:26:23
+error: transmute from a reference to a pointer
+ --> $DIR/transmute.rs:32:23
|
-26 | let _: *const T = core::intrinsics::transmute(t);
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `t as *const T`
+LL | let _: *const T = core::intrinsics::transmute(t);
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `t as *const T`
+
+error: transmute from a reference to a pointer
+ --> $DIR/transmute.rs:34:21
+ |
+LL | 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:36:23
|
- = note: #[warn(useless_transmute)] on by default
+LL | let _: *const U = core::intrinsics::transmute(t);
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `t as *const T as *const U`
-warning: transmute from a reference to a pointer
- --> $DIR/transmute.rs:28:21
+error: transmute from a pointer type (`*const T`) to a reference type (`&T`)
+ --> $DIR/transmute.rs:41:17
|
-28 | let _: *mut T = core::intrinsics::transmute(t);
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `t as *const T as *mut T`
+LL | let _: &T = std::mem::transmute(p);
+ | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*p`
|
- = note: #[warn(useless_transmute)] on by default
+ = note: `-D clippy::transmute-ptr-to-ref` implied by `-D warnings`
-warning: transmute from a reference to a pointer
- --> $DIR/transmute.rs:30:23
+error: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
+ --> $DIR/transmute.rs:44:21
|
-30 | let _: *const U = core::intrinsics::transmute(t);
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `t as *const T as *const U`
+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`)
+ --> $DIR/transmute.rs:47:17
|
- = note: #[warn(useless_transmute)] on by default
+LL | let _: &T = std::mem::transmute(m);
+ | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*m`
-warning: transmute from a pointer type (`*const T`) to a reference type (`&T`)
- --> $DIR/transmute.rs:35:17
+error: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
+ --> $DIR/transmute.rs:50:21
|
-35 | let _: &T = std::mem::transmute(p);
- | ^^^^^^^^^^^^^^^^^^^^^^ help: try `&*p`
+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`)
+ --> $DIR/transmute.rs:53:17
|
- = note: #[warn(transmute_ptr_to_ref)] on by default
+LL | let _: &T = std::mem::transmute(o);
+ | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(o as *const T)`
-warning: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
- --> $DIR/transmute.rs:38:21
+error: transmute from a pointer type (`*mut U`) to a reference type (`&mut T`)
+ --> $DIR/transmute.rs:56:21
|
-38 | let _: &mut T = std::mem::transmute(m);
- | ^^^^^^^^^^^^^^^^^^^^^^ help: try `&mut *m`
+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`)
+ --> $DIR/transmute.rs:59:17
|
- = note: #[warn(transmute_ptr_to_ref)] on by default
+LL | let _: &T = std::mem::transmute(om);
+ | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(om as *const T)`
-warning: transmute from a pointer type (`*mut T`) to a reference type (`&T`)
- --> $DIR/transmute.rs:41:17
+error: transmute from a pointer type (`*const i32`) to a reference type (`&issue1231::Foo<'_, u8>`)
+ --> $DIR/transmute.rs:70:32
+ |
+LL | 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:72:33
|
-41 | let _: &T = std::mem::transmute(m);
- | ^^^^^^^^^^^^^^^^^^^^^^ help: try `&*m`
+LL | 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:76:14
|
- = note: #[warn(transmute_ptr_to_ref)] on by default
+LL | unsafe { std::mem::transmute::<_, Bar>(raw) };
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(raw as *const u8)`
-warning: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
- --> $DIR/transmute.rs:44:21
+error: transmute from a type (`std::vec::Vec<i32>`) to itself
+ --> $DIR/transmute.rs:82:27
|
-44 | let _: &mut T = std::mem::transmute(p as *mut T);
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `&mut *(p as *mut T)`
+LL | let _: Vec<i32> = core::intrinsics::transmute(my_vec());
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: transmute from a type (`std::vec::Vec<i32>`) to itself
+ --> $DIR/transmute.rs:84:27
|
- = note: #[warn(transmute_ptr_to_ref)] on by default
+LL | let _: Vec<i32> = core::mem::transmute(my_vec());
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-warning: transmute from a pointer type (`*const U`) to a reference type (`&T`)
- --> $DIR/transmute.rs:47:17
+error: transmute from a type (`std::vec::Vec<i32>`) to itself
+ --> $DIR/transmute.rs:86:27
|
-47 | let _: &T = std::mem::transmute(o);
- | ^^^^^^^^^^^^^^^^^^^^^^ help: try `&*(o as *const T)`
+LL | let _: Vec<i32> = std::intrinsics::transmute(my_vec());
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: transmute from a type (`std::vec::Vec<i32>`) to itself
+ --> $DIR/transmute.rs:88:27
|
- = note: #[warn(transmute_ptr_to_ref)] on by default
+LL | let _: Vec<i32> = std::mem::transmute(my_vec());
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-warning: transmute from a pointer type (`*mut U`) to a reference type (`&mut T`)
- --> $DIR/transmute.rs:50:21
+error: transmute from a type (`std::vec::Vec<i32>`) to itself
+ --> $DIR/transmute.rs:90:27
|
-50 | let _: &mut T = std::mem::transmute(om);
- | ^^^^^^^^^^^^^^^^^^^^^^^ help: try `&mut *(om as *mut T)`
+LL | let _: Vec<i32> = my_transmute(my_vec());
+ | ^^^^^^^^^^^^^^^^^^^^^^
+
+error: transmute from an integer to a pointer
+ --> $DIR/transmute.rs:98:31
|
- = note: #[warn(transmute_ptr_to_ref)] on by default
+LL | let _: *const usize = std::mem::transmute(5_isize);
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `5_isize as *const usize`
-warning: transmute from a pointer type (`*mut U`) to a reference type (`&T`)
- --> $DIR/transmute.rs:53:17
+error: transmute from an integer to a pointer
+ --> $DIR/transmute.rs:102:31
|
-53 | let _: &T = std::mem::transmute(om);
- | ^^^^^^^^^^^^^^^^^^^^^^^ help: try `&*(om as *const T)`
+LL | 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:117:24
|
- = note: #[warn(transmute_ptr_to_ref)] on by default
+LL | let _: Usize = core::intrinsics::transmute(int_const_ptr);
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ |
+ = note: `-D clippy::crosspointer-transmute` implied by `-D warnings`
-warning: transmute from a pointer type (`*const i32`) to a reference type (`&issue1231::Foo<'_, u8>`)
- --> $DIR/transmute.rs:64:32
+error: transmute from a type (`*mut Usize`) to the type that it points to (`Usize`)
+ --> $DIR/transmute.rs:119:24
|
-64 | let _: &Foo<u8> = unsafe { std::mem::transmute::<_, &Foo<_>>(raw) };
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `&*(raw as *const Foo<_>)`
+LL | 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:121:31
|
- = note: #[warn(transmute_ptr_to_ref)] on by default
+LL | let _: *const Usize = core::intrinsics::transmute(my_int());
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-warning: transmute from a pointer type (`*const i32`) to a reference type (`&issue1231::Foo<'_, &u8>`)
- --> $DIR/transmute.rs:66:33
+error: transmute from a type (`Usize`) to a pointer to that type (`*mut Usize`)
+ --> $DIR/transmute.rs:123:29
|
-66 | let _: &Foo<&u8> = unsafe { std::mem::transmute::<_, &Foo<&_>>(raw) };
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `&*(raw as *const Foo<&_>)`
+LL | let _: *mut Usize = core::intrinsics::transmute(my_int());
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: transmute from a `u32` to a `char`
+ --> $DIR/transmute.rs:129:28
|
- = note: #[warn(transmute_ptr_to_ref)] on by default
+LL | 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:130:28
+ |
+LL | let _: char = unsafe { std::mem::transmute(0_i32) };
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::char::from_u32(0_i32 as u32).unwrap()`
-warning: transmute from a pointer type (`*const i32`) to a reference type (`&u8`)
- --> $DIR/transmute.rs:70:14
+error: transmute from a `u8` to a `bool`
+ --> $DIR/transmute.rs:135:28
|
-70 | unsafe { std::mem::transmute::<_, Bar>(raw) };
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try `&*(raw as *const u8)`
+LL | let _: bool = unsafe { std::mem::transmute(0_u8) };
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `0_u8 != 0`
|
- = note: #[warn(transmute_ptr_to_ref)] on by default
+ = note: `-D clippy::transmute-int-to-bool` implied by `-D warnings`
-warning: transmute from a type (`std::vec::Vec<i32>`) to itself
- --> $DIR/transmute.rs:76:27
+error: transmute from a `u32` to a `f32`
+ --> $DIR/transmute.rs:140:27
|
-76 | let _: Vec<i32> = core::intrinsics::transmute(my_vec());
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL | let _: f32 = unsafe { std::mem::transmute(0_u32) };
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(0_u32)`
|
- = note: #[warn(useless_transmute)] on by default
+ = note: `-D clippy::transmute-int-to-float` implied by `-D warnings`
-warning: transmute from a type (`std::vec::Vec<i32>`) to itself
- --> $DIR/transmute.rs:78:27
+error: transmute from a `i32` to a `f32`
+ --> $DIR/transmute.rs:141:27
|
-78 | let _: Vec<i32> = core::mem::transmute(my_vec());
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL | 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:145:28
|
- = note: #[warn(useless_transmute)] on by default
+LL | 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`
-warning: transmute from a type (`std::vec::Vec<i32>`) to itself
- --> $DIR/transmute.rs:80:27
+error: transmute from a `&mut [u8]` to a `&mut str`
+ --> $DIR/transmute.rs:146:32
|
-80 | let _: Vec<i32> = std::intrinsics::transmute(my_vec());
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+LL | 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:178:29
+ |
+LL | let _: *const f32 = std::mem::transmute(ptr);
+ | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr as *const f32`
|
- = note: #[warn(useless_transmute)] on by default
+ = note: `-D clippy::transmute-ptr-to-ptr` implied by `-D warnings`
-warning: transmute from a type (`std::vec::Vec<i32>`) to itself
- --> $DIR/transmute.rs:82:27
+error: transmute from a pointer to a pointer
+ --> $DIR/transmute.rs:179:27
|
-82 | let _: Vec<i32> = std::mem::transmute(my_vec());
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+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.rs:181:23
|
- = note: #[warn(useless_transmute)] on by default
+LL | let _: &f32 = std::mem::transmute(&1u32);
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(&1u32 as *const u32 as *const f32)`
-warning: transmute from a type (`std::vec::Vec<i32>`) to itself
- --> $DIR/transmute.rs:84:27
+error: transmute from a reference to a reference
+ --> $DIR/transmute.rs:182:23
|
-84 | let _: Vec<i32> = my_transmute(my_vec());
- | ^^^^^^^^^^^^^^^^^^^^^^
+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.rs:185:27
|
- = note: #[warn(useless_transmute)] on by default
-
-warning: 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`
- |
- = note: #[warn(useless_transmute)] on by default
-
-warning: 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`
- |
- = note: #[warn(useless_transmute)] on by default
-
-warning: 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: #[warn(crosspointer_transmute)] on by default
-
-warning: 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);
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- |
- = note: #[warn(crosspointer_transmute)] on by default
-
-warning: 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());
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- |
- = note: #[warn(crosspointer_transmute)] on by default
-
-warning: 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());
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- |
- = note: #[warn(crosspointer_transmute)] on by default
+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.rs:186:37
+ |
+LL | 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