diff options
Diffstat (limited to 'src/tools/clippy/tests/ui/transmute.stderr')
| -rw-r--r-- | src/tools/clippy/tests/ui/transmute.stderr | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/transmute.stderr b/src/tools/clippy/tests/ui/transmute.stderr new file mode 100644 index 000000000..008b4a981 --- /dev/null +++ b/src/tools/clippy/tests/ui/transmute.stderr @@ -0,0 +1,244 @@ +error: transmute from a reference to a pointer + --> $DIR/transmute.rs:24:23 + | +LL | let _: *const T = core::intrinsics::transmute(t); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `t as *const T` + | + = note: `-D clippy::useless-transmute` implied by `-D warnings` + +error: transmute from a reference to a pointer + --> $DIR/transmute.rs:26:21 + | +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:28:23 + | +LL | let _: *const U = core::intrinsics::transmute(t); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `t as *const T as *const U` + +error: transmute from a type (`std::vec::Vec<i32>`) to itself + --> $DIR/transmute.rs:34:27 + | +LL | let _: Vec<i32> = core::intrinsics::transmute(my_vec()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: transmute from a type (`std::vec::Vec<i32>`) to itself + --> $DIR/transmute.rs:36:27 + | +LL | let _: Vec<i32> = core::mem::transmute(my_vec()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: transmute from a type (`std::vec::Vec<i32>`) to itself + --> $DIR/transmute.rs:38:27 + | +LL | let _: Vec<i32> = std::intrinsics::transmute(my_vec()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: transmute from a type (`std::vec::Vec<i32>`) to itself + --> $DIR/transmute.rs:40:27 + | +LL | let _: Vec<i32> = std::mem::transmute(my_vec()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: transmute from a type (`std::vec::Vec<i32>`) to itself + --> $DIR/transmute.rs:42:27 + | +LL | let _: Vec<i32> = my_transmute(my_vec()); + | ^^^^^^^^^^^^^^^^^^^^^^ + +error: transmute from an integer to a pointer + --> $DIR/transmute.rs:44:31 + | +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:48:31 + | +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:79:24 + | +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:81:24 + | +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:83:31 + | +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:85:29 + | +LL | let _: *mut Usize = core::intrinsics::transmute(my_int()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: transmute from a `u32` to a `char` + --> $DIR/transmute.rs:91:28 + | +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:92:28 + | +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:101:28 + | +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:107:31 + | +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:108:31 + | +LL | let _: f32 = unsafe { std::mem::transmute(0_i32) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(0_i32 as u32)` + +error: transmute from a `u64` to a `f64` + --> $DIR/transmute.rs:109:31 + | +LL | let _: f64 = unsafe { std::mem::transmute(0_u64) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f64::from_bits(0_u64)` + +error: transmute from a `i64` to a `f64` + --> $DIR/transmute.rs:110:31 + | +LL | let _: f64 = unsafe { std::mem::transmute(0_i64) }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f64::from_bits(0_i64 as u64)` + +error: transmute from a `u8` to a `[u8; 1]` + --> $DIR/transmute.rs:130:30 + | +LL | let _: [u8; 1] = std::mem::transmute(0u8); + | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u8.to_ne_bytes()` + | + = note: `-D clippy::transmute-num-to-bytes` implied by `-D warnings` + +error: transmute from a `u32` to a `[u8; 4]` + --> $DIR/transmute.rs:131:30 + | +LL | let _: [u8; 4] = std::mem::transmute(0u32); + | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u32.to_ne_bytes()` + +error: transmute from a `u128` to a `[u8; 16]` + --> $DIR/transmute.rs:132:31 + | +LL | let _: [u8; 16] = std::mem::transmute(0u128); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u128.to_ne_bytes()` + +error: transmute from a `i8` to a `[u8; 1]` + --> $DIR/transmute.rs:133:30 + | +LL | let _: [u8; 1] = std::mem::transmute(0i8); + | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i8.to_ne_bytes()` + +error: transmute from a `i32` to a `[u8; 4]` + --> $DIR/transmute.rs:134:30 + | +LL | let _: [u8; 4] = std::mem::transmute(0i32); + | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i32.to_ne_bytes()` + +error: transmute from a `i128` to a `[u8; 16]` + --> $DIR/transmute.rs:135:31 + | +LL | let _: [u8; 16] = std::mem::transmute(0i128); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i128.to_ne_bytes()` + +error: transmute from a `f32` to a `[u8; 4]` + --> $DIR/transmute.rs:136:30 + | +LL | let _: [u8; 4] = std::mem::transmute(0.0f32); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f32.to_ne_bytes()` + +error: transmute from a `f64` to a `[u8; 8]` + --> $DIR/transmute.rs:137:30 + | +LL | let _: [u8; 8] = std::mem::transmute(0.0f64); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f64.to_ne_bytes()` + +error: transmute from a `u8` to a `[u8; 1]` + --> $DIR/transmute.rs:142:30 + | +LL | let _: [u8; 1] = std::mem::transmute(0u8); + | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u8.to_ne_bytes()` + +error: transmute from a `u32` to a `[u8; 4]` + --> $DIR/transmute.rs:143:30 + | +LL | let _: [u8; 4] = std::mem::transmute(0u32); + | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u32.to_ne_bytes()` + +error: transmute from a `u128` to a `[u8; 16]` + --> $DIR/transmute.rs:144:31 + | +LL | let _: [u8; 16] = std::mem::transmute(0u128); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u128.to_ne_bytes()` + +error: transmute from a `i8` to a `[u8; 1]` + --> $DIR/transmute.rs:145:30 + | +LL | let _: [u8; 1] = std::mem::transmute(0i8); + | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i8.to_ne_bytes()` + +error: transmute from a `i32` to a `[u8; 4]` + --> $DIR/transmute.rs:146:30 + | +LL | let _: [u8; 4] = std::mem::transmute(0i32); + | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i32.to_ne_bytes()` + +error: transmute from a `i128` to a `[u8; 16]` + --> $DIR/transmute.rs:147:31 + | +LL | let _: [u8; 16] = std::mem::transmute(0i128); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i128.to_ne_bytes()` + +error: transmute from a `&[u8]` to a `&str` + --> $DIR/transmute.rs:157:28 + | +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:158:32 + | +LL | let _: &mut str = unsafe { std::mem::transmute(mb) }; + | ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::str::from_utf8_mut(mb).unwrap()` + +error: transmute from a `&[u8]` to a `&str` + --> $DIR/transmute.rs:159:30 + | +LL | const _: &str = unsafe { std::mem::transmute(B) }; + | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::str::from_utf8_unchecked(B)` + +error: aborting due to 38 previous errors + |