error: transmute from a type (`&'a T`) to itself
- --> $DIR/transmute.rs:22:20
+ --> $DIR/transmute.rs:28:20
|
-22 | let _: &'a T = core::intrinsics::transmute(t);
+LL | let _: &'a T = core::intrinsics::transmute(t);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
-note: lint level defined here
- --> $DIR/transmute.rs:20:8
- |
-20 | #[deny(useless_transmute)]
- | ^^^^^^^^^^^^^^^^^
+ = note: `-D clippy::useless-transmute` implied by `-D warnings`
error: transmute from a reference to a pointer
- --> $DIR/transmute.rs:27:23
- |
-27 | let _: *const T = core::intrinsics::transmute(t);
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ --> $DIR/transmute.rs:32:23
|
-help: try
- | let _: *const T = 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:32:21
+ --> $DIR/transmute.rs:34:21
|
-32 | let _: *mut T = core::intrinsics::transmute(t);
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- |
-help: try
- | let _: *mut T = t as *const T as *mut T;
+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:37:23
- |
-37 | let _: *const U = core::intrinsics::transmute(t);
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ --> $DIR/transmute.rs:36:23
|
-help: try
- | let _: *const U = t as *const T as *const U;
+LL | 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:45:17
+ --> $DIR/transmute.rs:41:17
|
-45 | let _: &T = std::mem::transmute(p);
- | ^^^^^^^^^^^^^^^^^^^^^^
+LL | let _: &T = std::mem::transmute(p);
+ | ^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*p`
|
-note: lint level defined here
- --> $DIR/transmute.rs:43:8
- |
-43 | #[deny(transmute_ptr_to_ref)]
- | ^^^^^^^^^^^^^^^^^^^^
-help: try
- | let _: &T = &*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:51:21
- |
-51 | let _: &mut T = std::mem::transmute(m);
- | ^^^^^^^^^^^^^^^^^^^^^^
+ --> $DIR/transmute.rs:44:21
|
-help: try
- | let _: &mut T = &mut *m;
+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:57:17
+ --> $DIR/transmute.rs:47:17
|
-57 | let _: &T = std::mem::transmute(m);
- | ^^^^^^^^^^^^^^^^^^^^^^
- |
-help: try
- | let _: &T = &*m;
+LL | 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:63:21
- |
-63 | let _: &mut T = std::mem::transmute(p as *mut T);
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ --> $DIR/transmute.rs:50:21
|
-help: try
- | let _: &mut T = &mut *(p as *mut T);
+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:69:17
+ --> $DIR/transmute.rs:53:17
|
-69 | let _: &T = std::mem::transmute(o);
- | ^^^^^^^^^^^^^^^^^^^^^^
- |
-help: try
- | let _: &T = &*(o as *const T);
+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`)
- --> $DIR/transmute.rs:75:21
- |
-75 | let _: &mut T = std::mem::transmute(om);
- | ^^^^^^^^^^^^^^^^^^^^^^^
+ --> $DIR/transmute.rs:56:21
|
-help: try
- | let _: &mut T = &mut *(om as *mut T);
+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:81:17
+ --> $DIR/transmute.rs:59:17
|
-81 | let _: &T = std::mem::transmute(om);
- | ^^^^^^^^^^^^^^^^^^^^^^^
- |
-help: try
- | let _: &T = &*(om as *const T);
+LL | 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:95:32
- |
-95 | let _: &Foo<u8> = unsafe { std::mem::transmute::<_, &Foo<_>>(raw) };
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ --> $DIR/transmute.rs:70:32
|
-note: lint level defined here
- --> $DIR/transmute.rs:88:8
- |
-88 | #[deny(transmute_ptr_to_ref)]
- | ^^^^^^^^^^^^^^^^^^^^
-help: try
- | let _: &Foo<u8> = unsafe { &*(raw as *const Foo<_>) };
+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:100:33
- |
-100 | let _: &Foo<&u8> = unsafe { std::mem::transmute::<_, &Foo<&_>>(raw) };
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- |
-help: try
- | let _: &Foo<&u8> = unsafe { &*(raw as *const Foo<&_>) };
+ --> $DIR/transmute.rs:72:33
+ |
+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:107:14
- |
-107 | unsafe { std::mem::transmute::<_, Bar>(raw) };
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- |
-help: try
- | unsafe { &*(raw as *const u8) };
+ --> $DIR/transmute.rs:76:14
+ |
+LL | 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:116:27
- |
-116 | let _: Vec<i32> = core::intrinsics::transmute(my_vec());
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- |
-note: lint level defined here
- --> $DIR/transmute.rs:113:8
- |
-113 | #[deny(useless_transmute)]
- | ^^^^^^^^^^^^^^^^^
+ --> $DIR/transmute.rs:82:27
+ |
+LL | let _: Vec<i32> = core::intrinsics::transmute(my_vec());
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: transmute from a type (`std::vec::Vec<i32>`) to itself
- --> $DIR/transmute.rs:119:27
- |
-119 | let _: Vec<i32> = core::mem::transmute(my_vec());
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ --> $DIR/transmute.rs:84:27
+ |
+LL | let _: Vec<i32> = core::mem::transmute(my_vec());
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: transmute from a type (`std::vec::Vec<i32>`) to itself
- --> $DIR/transmute.rs:122:27
- |
-122 | let _: Vec<i32> = std::intrinsics::transmute(my_vec());
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ --> $DIR/transmute.rs:86:27
+ |
+LL | let _: Vec<i32> = std::intrinsics::transmute(my_vec());
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: transmute from a type (`std::vec::Vec<i32>`) to itself
- --> $DIR/transmute.rs:125:27
- |
-125 | let _: Vec<i32> = std::mem::transmute(my_vec());
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ --> $DIR/transmute.rs:88:27
+ |
+LL | let _: Vec<i32> = std::mem::transmute(my_vec());
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: transmute from a type (`std::vec::Vec<i32>`) to itself
- --> $DIR/transmute.rs:128:27
- |
-128 | let _: Vec<i32> = my_transmute(my_vec());
- | ^^^^^^^^^^^^^^^^^^^^^^
+ --> $DIR/transmute.rs:90:27
+ |
+LL | let _: Vec<i32> = my_transmute(my_vec());
+ | ^^^^^^^^^^^^^^^^^^^^^^
error: transmute from an integer to a pointer
- --> $DIR/transmute.rs:137:31
- |
-137 | let _: *const usize = std::mem::transmute(5_isize);
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- |
-help: try
- | let _: *const usize = 5_isize as *const usize;
+ --> $DIR/transmute.rs:98:31
+ |
+LL | 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:143:31
- |
-143 | let _: *const usize = std::mem::transmute(1+1usize);
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- |
-help: try
- | let _: *const usize = (1+1usize) as *const usize;
+ --> $DIR/transmute.rs:102:31
+ |
+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:160:24
- |
-160 | let _: Usize = core::intrinsics::transmute(int_const_ptr);
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- |
-note: lint level defined here
- --> $DIR/transmute.rs:153:8
- |
-153 | #[deny(crosspointer_transmute)]
- | ^^^^^^^^^^^^^^^^^^^^^^
+ --> $DIR/transmute.rs:117:24
+ |
+LL | 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:163:24
- |
-163 | let _: Usize = core::intrinsics::transmute(int_mut_ptr);
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ --> $DIR/transmute.rs:119:24
+ |
+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:166:31
- |
-166 | let _: *const Usize = core::intrinsics::transmute(my_int());
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ --> $DIR/transmute.rs:121:31
+ |
+LL | 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:169:29
- |
-169 | let _: *mut Usize = core::intrinsics::transmute(my_int());
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ --> $DIR/transmute.rs:123:29
+ |
+LL | let _: *mut Usize = core::intrinsics::transmute(my_int());
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: transmute from a `u32` to a `char`
+ --> $DIR/transmute.rs:129:28
+ |
+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()`
+
+error: transmute from a `u8` to a `bool`
+ --> $DIR/transmute.rs:135:28
+ |
+LL | 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:140:27
+ |
+LL | 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:141:27
+ |
+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
+ |
+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`
+
+error: transmute from a `&mut [u8]` to a `&mut str`
+ --> $DIR/transmute.rs:146:32
+ |
+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: `-D clippy::transmute-ptr-to-ptr` implied by `-D warnings`
+
+error: transmute from a pointer to a pointer
+ --> $DIR/transmute.rs:179:27
+ |
+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.rs:181:23
+ |
+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.rs:182:23
+ |
+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.rs:185:27
+ |
+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.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 25 previous errors
+error: aborting due to 38 previous errors