mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-17 02:08:28 +00:00
244 lines
9.9 KiB
Text
244 lines
9.9 KiB
Text
error: transmute from a type (`&T`) to itself
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--> $DIR/transmute.rs:19:20
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LL | let _: &'a T = core::intrinsics::transmute(t);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: `-D clippy::useless-transmute` implied by `-D warnings`
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error: transmute from a reference to a pointer
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--> $DIR/transmute.rs:23:23
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LL | let _: *const T = core::intrinsics::transmute(t);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `t as *const T`
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error: transmute from a reference to a pointer
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--> $DIR/transmute.rs:25:21
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LL | let _: *mut T = core::intrinsics::transmute(t);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `t as *const T as *mut T`
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error: transmute from a reference to a pointer
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--> $DIR/transmute.rs:27:23
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LL | let _: *const U = core::intrinsics::transmute(t);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `t as *const T as *const U`
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error: transmute from a type (`std::vec::Vec<i32>`) to itself
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--> $DIR/transmute.rs:33:27
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LL | let _: Vec<i32> = core::intrinsics::transmute(my_vec());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from a type (`std::vec::Vec<i32>`) to itself
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--> $DIR/transmute.rs:35:27
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LL | let _: Vec<i32> = core::mem::transmute(my_vec());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from a type (`std::vec::Vec<i32>`) to itself
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--> $DIR/transmute.rs:37:27
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LL | let _: Vec<i32> = std::intrinsics::transmute(my_vec());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from a type (`std::vec::Vec<i32>`) to itself
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--> $DIR/transmute.rs:39:27
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LL | let _: Vec<i32> = std::mem::transmute(my_vec());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from a type (`std::vec::Vec<i32>`) to itself
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--> $DIR/transmute.rs:41:27
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LL | let _: Vec<i32> = my_transmute(my_vec());
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| ^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from an integer to a pointer
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--> $DIR/transmute.rs:43:31
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LL | let _: *const usize = std::mem::transmute(5_isize);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `5_isize as *const usize`
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error: transmute from an integer to a pointer
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--> $DIR/transmute.rs:47:31
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LL | let _: *const usize = std::mem::transmute(1 + 1usize);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(1 + 1usize) as *const usize`
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error: transmute from a type (`*const Usize`) to the type that it points to (`Usize`)
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--> $DIR/transmute.rs:62:24
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LL | let _: Usize = core::intrinsics::transmute(int_const_ptr);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: `-D clippy::crosspointer-transmute` implied by `-D warnings`
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error: transmute from a type (`*mut Usize`) to the type that it points to (`Usize`)
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--> $DIR/transmute.rs:64:24
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LL | let _: Usize = core::intrinsics::transmute(int_mut_ptr);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from a type (`Usize`) to a pointer to that type (`*const Usize`)
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--> $DIR/transmute.rs:66:31
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LL | let _: *const Usize = core::intrinsics::transmute(my_int());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from a type (`Usize`) to a pointer to that type (`*mut Usize`)
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--> $DIR/transmute.rs:68:29
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LL | let _: *mut Usize = core::intrinsics::transmute(my_int());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from a `u32` to a `char`
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--> $DIR/transmute.rs:74:28
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LL | let _: char = unsafe { std::mem::transmute(0_u32) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::char::from_u32(0_u32).unwrap()`
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= note: `-D clippy::transmute-int-to-char` implied by `-D warnings`
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error: transmute from a `i32` to a `char`
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--> $DIR/transmute.rs:75:28
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LL | let _: char = unsafe { std::mem::transmute(0_i32) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::char::from_u32(0_i32 as u32).unwrap()`
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error: transmute from a `u8` to a `bool`
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--> $DIR/transmute.rs:80:28
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LL | let _: bool = unsafe { std::mem::transmute(0_u8) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `0_u8 != 0`
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= note: `-D clippy::transmute-int-to-bool` implied by `-D warnings`
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error: transmute from a `u32` to a `f32`
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--> $DIR/transmute.rs:86:31
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LL | let _: f32 = unsafe { std::mem::transmute(0_u32) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(0_u32)`
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= note: `-D clippy::transmute-int-to-float` implied by `-D warnings`
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error: transmute from a `i32` to a `f32`
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--> $DIR/transmute.rs:87:31
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LL | let _: f32 = unsafe { std::mem::transmute(0_i32) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(0_i32 as u32)`
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error: transmute from a `u64` to a `f64`
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--> $DIR/transmute.rs:88:31
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LL | let _: f64 = unsafe { std::mem::transmute(0_u64) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f64::from_bits(0_u64)`
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error: transmute from a `i64` to a `f64`
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--> $DIR/transmute.rs:89:31
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LL | let _: f64 = unsafe { std::mem::transmute(0_i64) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f64::from_bits(0_i64 as u64)`
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error: transmute from a `u8` to a `[u8; 1]`
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--> $DIR/transmute.rs:109:30
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LL | let _: [u8; 1] = std::mem::transmute(0u8);
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| ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u8.to_ne_bytes()`
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= note: `-D clippy::transmute-num-to-bytes` implied by `-D warnings`
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error: transmute from a `u32` to a `[u8; 4]`
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--> $DIR/transmute.rs:110:30
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LL | let _: [u8; 4] = std::mem::transmute(0u32);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u32.to_ne_bytes()`
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error: transmute from a `u128` to a `[u8; 16]`
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--> $DIR/transmute.rs:111:31
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LL | let _: [u8; 16] = std::mem::transmute(0u128);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u128.to_ne_bytes()`
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error: transmute from a `i8` to a `[u8; 1]`
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--> $DIR/transmute.rs:112:30
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LL | let _: [u8; 1] = std::mem::transmute(0i8);
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| ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i8.to_ne_bytes()`
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error: transmute from a `i32` to a `[u8; 4]`
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--> $DIR/transmute.rs:113:30
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LL | let _: [u8; 4] = std::mem::transmute(0i32);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i32.to_ne_bytes()`
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error: transmute from a `i128` to a `[u8; 16]`
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--> $DIR/transmute.rs:114:31
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LL | let _: [u8; 16] = std::mem::transmute(0i128);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i128.to_ne_bytes()`
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error: transmute from a `f32` to a `[u8; 4]`
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--> $DIR/transmute.rs:115:30
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LL | let _: [u8; 4] = std::mem::transmute(0.0f32);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f32.to_ne_bytes()`
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error: transmute from a `f64` to a `[u8; 8]`
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--> $DIR/transmute.rs:116:30
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LL | let _: [u8; 8] = std::mem::transmute(0.0f64);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0.0f64.to_ne_bytes()`
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error: transmute from a `u8` to a `[u8; 1]`
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--> $DIR/transmute.rs:121:30
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LL | let _: [u8; 1] = std::mem::transmute(0u8);
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| ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u8.to_ne_bytes()`
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error: transmute from a `u32` to a `[u8; 4]`
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--> $DIR/transmute.rs:122:30
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LL | let _: [u8; 4] = std::mem::transmute(0u32);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u32.to_ne_bytes()`
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error: transmute from a `u128` to a `[u8; 16]`
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--> $DIR/transmute.rs:123:31
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LL | let _: [u8; 16] = std::mem::transmute(0u128);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0u128.to_ne_bytes()`
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error: transmute from a `i8` to a `[u8; 1]`
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--> $DIR/transmute.rs:124:30
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LL | let _: [u8; 1] = std::mem::transmute(0i8);
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| ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i8.to_ne_bytes()`
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error: transmute from a `i32` to a `[u8; 4]`
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--> $DIR/transmute.rs:125:30
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LL | let _: [u8; 4] = std::mem::transmute(0i32);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i32.to_ne_bytes()`
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error: transmute from a `i128` to a `[u8; 16]`
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--> $DIR/transmute.rs:126:31
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LL | let _: [u8; 16] = std::mem::transmute(0i128);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `to_ne_bytes()`: `0i128.to_ne_bytes()`
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error: transmute from a `&[u8]` to a `&str`
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--> $DIR/transmute.rs:134:28
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LL | let _: &str = unsafe { std::mem::transmute(b) };
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| ^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::str::from_utf8(b).unwrap()`
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= note: `-D clippy::transmute-bytes-to-str` implied by `-D warnings`
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error: transmute from a `&mut [u8]` to a `&mut str`
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--> $DIR/transmute.rs:135:32
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LL | let _: &mut str = unsafe { std::mem::transmute(mb) };
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| ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::str::from_utf8_mut(mb).unwrap()`
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error: aborting due to 38 previous errors
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