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Diffstat (limited to '')
-rw-r--r-- | src/tools/clippy/tests/ui/cast.stderr | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/cast.stderr b/src/tools/clippy/tests/ui/cast.stderr new file mode 100644 index 000000000..0c63b4af3 --- /dev/null +++ b/src/tools/clippy/tests/ui/cast.stderr @@ -0,0 +1,210 @@ +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:14:5 + | +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:16:5 + | +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:17:5 + | +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:19:5 + | +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:21:5 + | +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:22:5 + | +LL | x3 as f64; + | ^^^^^^^^^ + +error: casting `f32` to `i32` may truncate the value + --> $DIR/cast.rs:24:5 + | +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:25:5 + | +LL | 1f32 as u32; + | ^^^^^^^^^^^ + +error: casting `f32` to `u32` may lose the sign of the value + --> $DIR/cast.rs:25:5 + | +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:26:5 + | +LL | 1f64 as f32; + | ^^^^^^^^^^^ + +error: casting `i32` to `i8` may truncate the value + --> $DIR/cast.rs:27:5 + | +LL | 1i32 as i8; + | ^^^^^^^^^^ + +error: casting `i32` to `u8` may truncate the value + --> $DIR/cast.rs:28:5 + | +LL | 1i32 as u8; + | ^^^^^^^^^^ + +error: casting `f64` to `isize` may truncate the value + --> $DIR/cast.rs:29:5 + | +LL | 1f64 as isize; + | ^^^^^^^^^^^^^ + +error: casting `f64` to `usize` may truncate the value + --> $DIR/cast.rs:30:5 + | +LL | 1f64 as usize; + | ^^^^^^^^^^^^^ + +error: casting `f64` to `usize` may lose the sign of the value + --> $DIR/cast.rs:30:5 + | +LL | 1f64 as usize; + | ^^^^^^^^^^^^^ + +error: casting `u8` to `i8` may wrap around the value + --> $DIR/cast.rs:32:5 + | +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:33:5 + | +LL | 1u16 as i16; + | ^^^^^^^^^^^ + +error: casting `u32` to `i32` may wrap around the value + --> $DIR/cast.rs:34:5 + | +LL | 1u32 as i32; + | ^^^^^^^^^^^ + +error: casting `u64` to `i64` may wrap around the value + --> $DIR/cast.rs:35:5 + | +LL | 1u64 as i64; + | ^^^^^^^^^^^ + +error: casting `usize` to `isize` may wrap around the value + --> $DIR/cast.rs:36:5 + | +LL | 1usize as isize; + | ^^^^^^^^^^^^^^^ + +error: casting `i32` to `u32` may lose the sign of the value + --> $DIR/cast.rs:39:5 + | +LL | -1i32 as u32; + | ^^^^^^^^^^^^ + +error: casting `isize` to `usize` may lose the sign of the value + --> $DIR/cast.rs:41:5 + | +LL | -1isize as usize; + | ^^^^^^^^^^^^^^^^ + +error: casting `i64` to `i8` may truncate the value + --> $DIR/cast.rs:108:5 + | +LL | (-99999999999i64).min(1) as i8; // should be linted because signed + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: casting `u64` to `u8` may truncate the value + --> $DIR/cast.rs:120:5 + | +LL | 999999u64.clamp(0, 256) as u8; // should still be linted + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: casting `main::E2` to `u8` may truncate the value + --> $DIR/cast.rs:141:21 + | +LL | let _ = self as u8; + | ^^^^^^^^^^ + +error: casting `main::E2::B` to `u8` will truncate the value + --> $DIR/cast.rs:142:21 + | +LL | let _ = Self::B as u8; + | ^^^^^^^^^^^^^ + | + = note: `-D clippy::cast-enum-truncation` implied by `-D warnings` + +error: casting `main::E5` to `i8` may truncate the value + --> $DIR/cast.rs:178:21 + | +LL | let _ = self as i8; + | ^^^^^^^^^^ + +error: casting `main::E5::A` to `i8` will truncate the value + --> $DIR/cast.rs:179:21 + | +LL | let _ = Self::A as i8; + | ^^^^^^^^^^^^^ + +error: casting `main::E6` to `i16` may truncate the value + --> $DIR/cast.rs:193:21 + | +LL | let _ = self as i16; + | ^^^^^^^^^^^ + +error: casting `main::E7` to `usize` may truncate the value on targets with 32-bit wide pointers + --> $DIR/cast.rs:208:21 + | +LL | let _ = self as usize; + | ^^^^^^^^^^^^^ + +error: casting `main::E10` to `u16` may truncate the value + --> $DIR/cast.rs:249:21 + | +LL | let _ = self as u16; + | ^^^^^^^^^^^ + +error: casting `u32` to `u8` may truncate the value + --> $DIR/cast.rs:257:13 + | +LL | let c = (q >> 16) as u8; + | ^^^^^^^^^^^^^^^ + +error: casting `u32` to `u8` may truncate the value + --> $DIR/cast.rs:260:13 + | +LL | let c = (q / 1000) as u8; + | ^^^^^^^^^^^^^^^^ + +error: aborting due to 33 previous errors + |