rust/tests/ui/transmute.stderr

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2017-08-01 15:54:21 +00:00
error: transmute from a type (`&'a T`) to itself
--> $DIR/transmute.rs:19:20
|
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LL | let _: &'a T = core::intrinsics::transmute(t);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `-D clippy::useless-transmute` implied by `-D warnings`
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error: transmute from a reference to a pointer
--> $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
--> $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
--> $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
2020-01-20 02:16:50 +00:00
--> $DIR/transmute.rs:33:27
|
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LL | let _: Vec<i32> = core::intrinsics::transmute(my_vec());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from a type (`std::vec::Vec<i32>`) to itself
2020-01-20 02:16:50 +00:00
--> $DIR/transmute.rs:35:27
|
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LL | let _: Vec<i32> = core::mem::transmute(my_vec());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from a type (`std::vec::Vec<i32>`) to itself
2020-01-20 02:16:50 +00:00
--> $DIR/transmute.rs:37:27
|
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LL | let _: Vec<i32> = std::intrinsics::transmute(my_vec());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from a type (`std::vec::Vec<i32>`) to itself
2020-01-20 02:16:50 +00:00
--> $DIR/transmute.rs:39:27
|
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LL | let _: Vec<i32> = std::mem::transmute(my_vec());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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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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error: transmute from an integer to a pointer
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--> $DIR/transmute.rs:43:31
2018-12-10 05:27:19 +00:00
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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
2020-01-20 02:16:50 +00:00
--> $DIR/transmute.rs:47:31
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LL | let _: *const usize = std::mem::transmute(1 + 1usize);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(1 + 1usize) as *const usize`
2017-08-01 15:54:21 +00:00
error: transmute from a type (`*const Usize`) to the type that it points to (`Usize`)
2020-01-20 02:16:50 +00:00
--> $DIR/transmute.rs:62:24
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LL | let _: Usize = core::intrinsics::transmute(int_const_ptr);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= 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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error: transmute from a type (`Usize`) to a pointer to that type (`*const Usize`)
2020-01-20 02:16:50 +00:00
--> $DIR/transmute.rs:66:31
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LL | let _: *const Usize = core::intrinsics::transmute(my_int());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from a type (`Usize`) to a pointer to that type (`*mut Usize`)
2020-01-20 02:16:50 +00:00
--> $DIR/transmute.rs:68:29
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LL | let _: *mut Usize = core::intrinsics::transmute(my_int());
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2017-10-02 15:23:24 +00:00
error: transmute from a `u32` to a `char`
2020-01-20 02:16:50 +00:00
--> $DIR/transmute.rs:74:28
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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`
2017-10-02 15:23:24 +00:00
error: transmute from a `i32` to a `char`
2020-01-20 02:16:50 +00:00
--> $DIR/transmute.rs:75:28
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LL | let _: char = unsafe { std::mem::transmute(0_i32) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::char::from_u32(0_i32 as u32).unwrap()`
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error: transmute from a `u8` to a `bool`
2020-01-20 02:16:50 +00:00
--> $DIR/transmute.rs:80:28
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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`
2017-10-02 15:23:24 +00:00
error: transmute from a `u32` to a `f32`
2020-01-20 02:16:50 +00:00
--> $DIR/transmute.rs:85:27
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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`
2017-10-02 15:23:24 +00:00
error: transmute from a `i32` to a `f32`
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--> $DIR/transmute.rs:86:27
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LL | let _: f32 = unsafe { std::mem::transmute(0_i32) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `f32::from_bits(0_i32 as u32)`
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2017-10-29 01:27:45 +00:00
error: transmute from a `&[u8]` to a `&str`
2020-01-20 02:16:50 +00:00
--> $DIR/transmute.rs:90:28
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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`
2017-10-29 01:27:45 +00:00
error: transmute from a `&mut [u8]` to a `&mut str`
2020-01-20 02:16:50 +00:00
--> $DIR/transmute.rs:91:32
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|
LL | let _: &mut str = unsafe { std::mem::transmute(mb) };
| ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::str::from_utf8_mut(mb).unwrap()`
2017-10-29 01:27:45 +00:00
2020-01-20 02:16:50 +00:00
error: aborting due to 22 previous errors
2018-01-16 16:06:27 +00:00