rust/tests/ui/cast.stderr
Philipp Hansch 2d84d0361d
Split up cast.rs tests, run-rustfix for unnecessary_cast
This splits up the cast.rs tests and enables rustfix tests for the part
of the `unnecessary_cast` lint that emits `MachineApplicable`
suggestions.

cc #3630
2019-08-04 08:24:23 +02:00

143 lines
3.4 KiB
Plaintext

error: casting i32 to f32 causes a loss of precision (i32 is 32 bits wide, but f32's mantissa is only 23 bits wide)
--> $DIR/cast.rs:11:5
|
LL | x0 as f32;
| ^^^^^^^^^
|
= note: `-D clippy::cast-precision-loss` implied by `-D warnings`
error: casting i64 to f32 causes a loss of precision (i64 is 64 bits wide, but f32's mantissa is only 23 bits wide)
--> $DIR/cast.rs:13:5
|
LL | x1 as f32;
| ^^^^^^^^^
error: casting i64 to f64 causes a loss of precision (i64 is 64 bits wide, but f64's mantissa is only 52 bits wide)
--> $DIR/cast.rs:14:5
|
LL | x1 as f64;
| ^^^^^^^^^
error: casting u32 to f32 causes a loss of precision (u32 is 32 bits wide, but f32's mantissa is only 23 bits wide)
--> $DIR/cast.rs:16:5
|
LL | x2 as f32;
| ^^^^^^^^^
error: casting u64 to f32 causes a loss of precision (u64 is 64 bits wide, but f32's mantissa is only 23 bits wide)
--> $DIR/cast.rs:18:5
|
LL | x3 as f32;
| ^^^^^^^^^
error: casting u64 to f64 causes a loss of precision (u64 is 64 bits wide, but f64's mantissa is only 52 bits wide)
--> $DIR/cast.rs:19:5
|
LL | x3 as f64;
| ^^^^^^^^^
error: casting f32 to i32 may truncate the value
--> $DIR/cast.rs:21:5
|
LL | 1f32 as i32;
| ^^^^^^^^^^^
|
= note: `-D clippy::cast-possible-truncation` implied by `-D warnings`
error: casting f32 to u32 may truncate the value
--> $DIR/cast.rs:22:5
|
LL | 1f32 as u32;
| ^^^^^^^^^^^
error: casting f32 to u32 may lose the sign of the value
--> $DIR/cast.rs:22:5
|
LL | 1f32 as u32;
| ^^^^^^^^^^^
|
= note: `-D clippy::cast-sign-loss` implied by `-D warnings`
error: casting f64 to f32 may truncate the value
--> $DIR/cast.rs:23:5
|
LL | 1f64 as f32;
| ^^^^^^^^^^^
error: casting i32 to i8 may truncate the value
--> $DIR/cast.rs:24:5
|
LL | 1i32 as i8;
| ^^^^^^^^^^
error: casting i32 to u8 may truncate the value
--> $DIR/cast.rs:25:5
|
LL | 1i32 as u8;
| ^^^^^^^^^^
error: casting f64 to isize may truncate the value
--> $DIR/cast.rs:26:5
|
LL | 1f64 as isize;
| ^^^^^^^^^^^^^
error: casting f64 to usize may truncate the value
--> $DIR/cast.rs:27:5
|
LL | 1f64 as usize;
| ^^^^^^^^^^^^^
error: casting f64 to usize may lose the sign of the value
--> $DIR/cast.rs:27:5
|
LL | 1f64 as usize;
| ^^^^^^^^^^^^^
error: casting u8 to i8 may wrap around the value
--> $DIR/cast.rs:29:5
|
LL | 1u8 as i8;
| ^^^^^^^^^
|
= note: `-D clippy::cast-possible-wrap` implied by `-D warnings`
error: casting u16 to i16 may wrap around the value
--> $DIR/cast.rs:30:5
|
LL | 1u16 as i16;
| ^^^^^^^^^^^
error: casting u32 to i32 may wrap around the value
--> $DIR/cast.rs:31:5
|
LL | 1u32 as i32;
| ^^^^^^^^^^^
error: casting u64 to i64 may wrap around the value
--> $DIR/cast.rs:32:5
|
LL | 1u64 as i64;
| ^^^^^^^^^^^
error: casting usize to isize may wrap around the value
--> $DIR/cast.rs:33:5
|
LL | 1usize as isize;
| ^^^^^^^^^^^^^^^
error: casting i32 to u32 may lose the sign of the value
--> $DIR/cast.rs:36:5
|
LL | -1i32 as u32;
| ^^^^^^^^^^^^
error: casting isize to usize may lose the sign of the value
--> $DIR/cast.rs:38:5
|
LL | -1isize as usize;
| ^^^^^^^^^^^^^^^^
error: aborting due to 22 previous errors