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rust / rust / refs/heads/auto / . / src / tools / clippy / tests / ui / cast.stderr
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error: casting `i32` to `f32` may cause a loss of precision (`i32` is 32 bits wide, but `f32`'s mantissa is only 23 bits wide)
--> tests/ui/cast.rs:23:5
|
LL | x0 as f32;
| ^^^^^^^^^
|
= note: `-D clippy::cast-precision-loss` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::cast_precision_loss)]`
error: casting `i64` to `f32` may cause a loss of precision (`i64` is 64 bits wide, but `f32`'s mantissa is only 23 bits wide)
--> tests/ui/cast.rs:27:5
|
LL | x1 as f32;
| ^^^^^^^^^
error: casting `i64` to `f64` may cause a loss of precision (`i64` is 64 bits wide, but `f64`'s mantissa is only 52 bits wide)
--> tests/ui/cast.rs:30:5
|
LL | x1 as f64;
| ^^^^^^^^^
error: casting `u32` to `f32` may cause a loss of precision (`u32` is 32 bits wide, but `f32`'s mantissa is only 23 bits wide)
--> tests/ui/cast.rs:34:5
|
LL | x2 as f32;
| ^^^^^^^^^
error: casting `u64` to `f32` may cause a loss of precision (`u64` is 64 bits wide, but `f32`'s mantissa is only 23 bits wide)
--> tests/ui/cast.rs:38:5
|
LL | x3 as f32;
| ^^^^^^^^^
error: casting `u64` to `f64` may cause a loss of precision (`u64` is 64 bits wide, but `f64`'s mantissa is only 52 bits wide)
--> tests/ui/cast.rs:41:5
|
LL | x3 as f64;
| ^^^^^^^^^
error: casting `f32` to `i32` may truncate the value
--> tests/ui/cast.rs:45:5
|
LL | 1f32 as i32;
| ^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
= note: `-D clippy::cast-possible-truncation` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::cast_possible_truncation)]`
error: casting `f32` to `u32` may truncate the value
--> tests/ui/cast.rs:48:5
|
LL | 1f32 as u32;
| ^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
error: casting `f32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:48:5
|
LL | 1f32 as u32;
| ^^^^^^^^^^^
|
= note: `-D clippy::cast-sign-loss` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::cast_sign_loss)]`
error: casting `f64` to `f32` may truncate the value
--> tests/ui/cast.rs:52:5
|
LL | 1f64 as f32;
| ^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
error: casting `i32` to `i8` may truncate the value
--> tests/ui/cast.rs:55:5
|
LL | 1i32 as i8;
| ^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - 1i32 as i8;
LL + i8::try_from(1i32);
|
error: casting `i32` to `u8` may truncate the value
--> tests/ui/cast.rs:58:5
|
LL | 1i32 as u8;
| ^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - 1i32 as u8;
LL + u8::try_from(1i32);
|
error: casting `f64` to `isize` may truncate the value
--> tests/ui/cast.rs:61:5
|
LL | 1f64 as isize;
| ^^^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
error: casting `f64` to `usize` may truncate the value
--> tests/ui/cast.rs:64:5
|
LL | 1f64 as usize;
| ^^^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
error: casting `f64` to `usize` may lose the sign of the value
--> tests/ui/cast.rs:64:5
|
LL | 1f64 as usize;
| ^^^^^^^^^^^^^
error: casting `u32` to `u16` may truncate the value
--> tests/ui/cast.rs:68:5
|
LL | 1f32 as u32 as u16;
| ^^^^^^^^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - 1f32 as u32 as u16;
LL + u16::try_from(1f32 as u32);
|
error: casting `f32` to `u32` may truncate the value
--> tests/ui/cast.rs:68:5
|
LL | 1f32 as u32 as u16;
| ^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
error: casting `f32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:68:5
|
LL | 1f32 as u32 as u16;
| ^^^^^^^^^^^
error: casting `i32` to `i8` may truncate the value
--> tests/ui/cast.rs:74:22
|
LL | let _x: i8 = 1i32 as _;
| ^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - let _x: i8 = 1i32 as _;
LL + let _x: i8 = 1i32.try_into();
|
error: casting `f32` to `i32` may truncate the value
--> tests/ui/cast.rs:77:9
|
LL | 1f32 as i32;
| ^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
error: casting `f64` to `i32` may truncate the value
--> tests/ui/cast.rs:80:9
|
LL | 1f64 as i32;
| ^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
error: casting `f32` to `u8` may truncate the value
--> tests/ui/cast.rs:83:9
|
LL | 1f32 as u8;
| ^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
error: casting `f32` to `u8` may lose the sign of the value
--> tests/ui/cast.rs:83:9
|
LL | 1f32 as u8;
| ^^^^^^^^^^
error: casting `u8` to `i8` may wrap around the value
--> tests/ui/cast.rs:88:5
|
LL | 1u8 as i8;
| ^^^^^^^^^ help: if this is intentional, use `cast_signed()` instead: `1u8.cast_signed()`
|
= note: `-D clippy::cast-possible-wrap` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::cast_possible_wrap)]`
error: casting `u16` to `i16` may wrap around the value
--> tests/ui/cast.rs:91:5
|
LL | 1u16 as i16;
| ^^^^^^^^^^^ help: if this is intentional, use `cast_signed()` instead: `1u16.cast_signed()`
error: casting `u32` to `i32` may wrap around the value
--> tests/ui/cast.rs:94:5
|
LL | 1u32 as i32;
| ^^^^^^^^^^^ help: if this is intentional, use `cast_signed()` instead: `1u32.cast_signed()`
error: casting `u64` to `i64` may wrap around the value
--> tests/ui/cast.rs:97:5
|
LL | 1u64 as i64;
| ^^^^^^^^^^^ help: if this is intentional, use `cast_signed()` instead: `1u64.cast_signed()`
error: casting `usize` to `isize` may wrap around the value
--> tests/ui/cast.rs:100:5
|
LL | 1usize as isize;
| ^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_signed()` instead: `1usize.cast_signed()`
error: casting `usize` to `i8` may truncate the value
--> tests/ui/cast.rs:104:5
|
LL | 1usize as i8;
| ^^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - 1usize as i8;
LL + i8::try_from(1usize);
|
error: casting `usize` to `i16` may truncate the value
--> tests/ui/cast.rs:108:5
|
LL | 1usize as i16;
| ^^^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - 1usize as i16;
LL + i16::try_from(1usize);
|
error: casting `usize` to `i16` may wrap around the value on targets with 16-bit wide pointers
--> tests/ui/cast.rs:108:5
|
LL | 1usize as i16;
| ^^^^^^^^^^^^^
|
= note: `usize` and `isize` may be as small as 16 bits on some platforms
= note: for more information see https://doc.rust-lang.org/reference/types/numeric.html#machine-dependent-integer-types
error: casting `usize` to `i32` may truncate the value on targets with 64-bit wide pointers
--> tests/ui/cast.rs:113:5
|
LL | 1usize as i32;
| ^^^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - 1usize as i32;
LL + i32::try_from(1usize);
|
error: casting `usize` to `i32` may wrap around the value on targets with 32-bit wide pointers
--> tests/ui/cast.rs:113:5
|
LL | 1usize as i32;
| ^^^^^^^^^^^^^
error: casting `usize` to `i64` may wrap around the value on targets with 64-bit wide pointers
--> tests/ui/cast.rs:118:5
|
LL | 1usize as i64;
| ^^^^^^^^^^^^^
error: casting `u16` to `isize` may wrap around the value on targets with 16-bit wide pointers
--> tests/ui/cast.rs:124:5
|
LL | 1u16 as isize;
| ^^^^^^^^^^^^^
|
= note: `usize` and `isize` may be as small as 16 bits on some platforms
= note: for more information see https://doc.rust-lang.org/reference/types/numeric.html#machine-dependent-integer-types
error: casting `u32` to `isize` may wrap around the value on targets with 32-bit wide pointers
--> tests/ui/cast.rs:128:5
|
LL | 1u32 as isize;
| ^^^^^^^^^^^^^
error: casting `u64` to `isize` may truncate the value on targets with 32-bit wide pointers
--> tests/ui/cast.rs:132:5
|
LL | 1u64 as isize;
| ^^^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - 1u64 as isize;
LL + isize::try_from(1u64);
|
error: casting `u64` to `isize` may wrap around the value on targets with 64-bit wide pointers
--> tests/ui/cast.rs:132:5
|
LL | 1u64 as isize;
| ^^^^^^^^^^^^^
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:138:5
|
LL | -1i32 as u32;
| ^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(-1i32).cast_unsigned()`
error: casting `isize` to `usize` may lose the sign of the value
--> tests/ui/cast.rs:142:5
|
LL | -1isize as usize;
| ^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(-1isize).cast_unsigned()`
error: casting `i8` to `u8` may lose the sign of the value
--> tests/ui/cast.rs:154:5
|
LL | (i8::MIN).abs() as u8;
| ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(i8::MIN).abs().cast_unsigned()`
error: casting `i64` to `u64` may lose the sign of the value
--> tests/ui/cast.rs:159:5
|
LL | (-1i64).abs() as u64;
| ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(-1i64).abs().cast_unsigned()`
error: casting `isize` to `usize` may lose the sign of the value
--> tests/ui/cast.rs:161:5
|
LL | (-1isize).abs() as usize;
| ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(-1isize).abs().cast_unsigned()`
error: casting `i64` to `u64` may lose the sign of the value
--> tests/ui/cast.rs:169:5
|
LL | (unsafe { (-1i64).checked_abs().unwrap_unchecked() }) as u64;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(unsafe { (-1i64).checked_abs().unwrap_unchecked() }).cast_unsigned()`
error: casting `i64` to `u64` may lose the sign of the value
--> tests/ui/cast.rs:185:5
|
LL | (unsafe { (-1i64).checked_isqrt().unwrap_unchecked() }) as u64;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(unsafe { (-1i64).checked_isqrt().unwrap_unchecked() }).cast_unsigned()`
error: casting `i64` to `i8` may truncate the value
--> tests/ui/cast.rs:237:5
|
LL | (-99999999999i64).min(1) as i8;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - (-99999999999i64).min(1) as i8;
LL + i8::try_from((-99999999999i64).min(1));
|
error: casting `u64` to `u8` may truncate the value
--> tests/ui/cast.rs:251:5
|
LL | 999999u64.clamp(0, 256) as u8;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - 999999u64.clamp(0, 256) as u8;
LL + u8::try_from(999999u64.clamp(0, 256));
|
error: casting `main::E2` to `u8` may truncate the value
--> tests/ui/cast.rs:274:21
|
LL | let _ = self as u8;
| ^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - let _ = self as u8;
LL + let _ = u8::try_from(self);
|
error: casting `main::E2::B` to `u8` will truncate the value
--> tests/ui/cast.rs:277:21
|
LL | let _ = Self::B as u8;
| ^^^^^^^^^^^^^
|
= note: `-D clippy::cast-enum-truncation` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::cast_enum_truncation)]`
error: casting `main::E5` to `i8` may truncate the value
--> tests/ui/cast.rs:319:21
|
LL | let _ = self as i8;
| ^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - let _ = self as i8;
LL + let _ = i8::try_from(self);
|
error: casting `main::E5::A` to `i8` will truncate the value
--> tests/ui/cast.rs:322:21
|
LL | let _ = Self::A as i8;
| ^^^^^^^^^^^^^
error: casting `main::E6` to `i16` may truncate the value
--> tests/ui/cast.rs:340:21
|
LL | let _ = self as i16;
| ^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - let _ = self as i16;
LL + let _ = i16::try_from(self);
|
error: casting `main::E7` to `usize` may truncate the value on targets with 32-bit wide pointers
--> tests/ui/cast.rs:360:21
|
LL | let _ = self as usize;
| ^^^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - let _ = self as usize;
LL + let _ = usize::try_from(self);
|
error: casting `main::E10` to `u16` may truncate the value
--> tests/ui/cast.rs:408:21
|
LL | let _ = self as u16;
| ^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - let _ = self as u16;
LL + let _ = u16::try_from(self);
|
error: casting `u32` to `u8` may truncate the value
--> tests/ui/cast.rs:420:13
|
LL | let c = (q >> 16) as u8;
| ^^^^^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - let c = (q >> 16) as u8;
LL + let c = u8::try_from(q >> 16);
|
error: casting `u32` to `u8` may truncate the value
--> tests/ui/cast.rs:425:13
|
LL | let c = (q / 1000) as u8;
| ^^^^^^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - let c = (q / 1000) as u8;
LL + let c = u8::try_from(q / 1000);
|
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:438:9
|
LL | (x * x) as u32;
| ^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(x * x).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:444:32
|
LL | let _a = |x: i32| -> u32 { (x * x * x * x) as u32 };
| ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(x * x * x * x).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:447:5
|
LL | (2_i32).checked_pow(3).unwrap() as u32;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(2_i32).checked_pow(3).unwrap().cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:449:5
|
LL | (-2_i32).pow(3) as u32;
| ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(-2_i32).pow(3).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:454:5
|
LL | (-5_i32 % 2) as u32;
| ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(-5_i32 % 2).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:457:5
|
LL | (-5_i32 % -2) as u32;
| ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(-5_i32 % -2).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:461:5
|
LL | (-2_i32 >> 1) as u32;
| ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(-2_i32 >> 1).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:465:5
|
LL | (x * x) as u32;
| ^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(x * x).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:467:5
|
LL | (x * x * x) as u32;
| ^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(x * x * x).cast_unsigned()`
error: casting `i16` to `u16` may lose the sign of the value
--> tests/ui/cast.rs:471:5
|
LL | (y * y * y * y * -2) as u16;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(y * y * y * y * -2).cast_unsigned()`
error: casting `i16` to `u16` may lose the sign of the value
--> tests/ui/cast.rs:474:5
|
LL | (y * y * y / y * 2) as u16;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(y * y * y / y * 2).cast_unsigned()`
error: casting `i16` to `u16` may lose the sign of the value
--> tests/ui/cast.rs:476:5
|
LL | (y * y / y * 2) as u16;
| ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(y * y / y * 2).cast_unsigned()`
error: casting `i16` to `u16` may lose the sign of the value
--> tests/ui/cast.rs:479:5
|
LL | (y / y * y * -2) as u16;
| ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(y / y * y * -2).cast_unsigned()`
error: equal expressions as operands to `/`
--> tests/ui/cast.rs:479:6
|
LL | (y / y * y * -2) as u16;
| ^^^^^
|
= note: `#[deny(clippy::eq_op)]` on by default
error: casting `i16` to `u16` may lose the sign of the value
--> tests/ui/cast.rs:483:5
|
LL | (y + y + y + -2) as u16;
| ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(y + y + y + -2).cast_unsigned()`
error: casting `i16` to `u16` may lose the sign of the value
--> tests/ui/cast.rs:486:5
|
LL | (y + y + y + 2) as u16;
| ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(y + y + y + 2).cast_unsigned()`
error: casting `i16` to `u16` may lose the sign of the value
--> tests/ui/cast.rs:490:5
|
LL | (z + -2) as u16;
| ^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(z + -2).cast_unsigned()`
error: casting `i16` to `u16` may lose the sign of the value
--> tests/ui/cast.rs:493:5
|
LL | (z + z + 2) as u16;
| ^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(z + z + 2).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:497:9
|
LL | (a * a * b * b * c * c) as u32;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(a * a * b * b * c * c).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:499:9
|
LL | (a * b * c) as u32;
| ^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(a * b * c).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:502:9
|
LL | (a * -b * c) as u32;
| ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(a * -b * c).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:505:9
|
LL | (a * b * c * c) as u32;
| ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(a * b * c * c).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:507:9
|
LL | (a * -2) as u32;
| ^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(a * -2).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:510:9
|
LL | (a * b * c * -2) as u32;
| ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(a * b * c * -2).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:513:9
|
LL | (a / b) as u32;
| ^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(a / b).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:515:9
|
LL | (a / b * c) as u32;
| ^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(a / b * c).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:518:9
|
LL | (a / b + b * c) as u32;
| ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(a / b + b * c).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:521:9
|
LL | a.saturating_pow(3) as u32;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `a.saturating_pow(3).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:524:9
|
LL | (a.abs() * b.pow(2) / c.abs()) as u32
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `(a.abs() * b.pow(2) / c.abs()).cast_unsigned()`
error: casting `i32` to `u32` may lose the sign of the value
--> tests/ui/cast.rs:532:21
|
LL | let _ = i32::MIN as u32; // cast_sign_loss
| ^^^^^^^^^^^^^^^ help: if this is intentional, use `cast_unsigned()` instead: `i32::MIN.cast_unsigned()`
...
LL | m!();
| ---- in this macro invocation
|
= note: this error originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info)
error: casting `u32` to `u8` may truncate the value
--> tests/ui/cast.rs:535:21
|
LL | let _ = u32::MAX as u8; // cast_possible_truncation
| ^^^^^^^^^^^^^^
...
LL | m!();
| ---- in this macro invocation
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
= note: this error originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info)
help: ... or use `try_from` and handle the error accordingly
|
LL - let _ = u32::MAX as u8; // cast_possible_truncation
LL + let _ = u8::try_from(u32::MAX); // cast_possible_truncation
|
error: casting `f64` to `f32` may truncate the value
--> tests/ui/cast.rs:538:21
|
LL | let _ = std::f64::consts::PI as f32; // cast_possible_truncation
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
LL | m!();
| ---- in this macro invocation
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
= note: this error originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info)
error: casting `i64` to `usize` may truncate the value on targets with 32-bit wide pointers
--> tests/ui/cast.rs:549:5
|
LL | bar.unwrap().unwrap() as usize
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - bar.unwrap().unwrap() as usize
LL + usize::try_from(bar.unwrap().unwrap())
|
error: casting `i64` to `usize` may lose the sign of the value
--> tests/ui/cast.rs:549:5
|
LL | bar.unwrap().unwrap() as usize
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: casting `u64` to `u8` may truncate the value
--> tests/ui/cast.rs:566:5
|
LL | (256 & 999999u64) as u8;
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - (256 & 999999u64) as u8;
LL + u8::try_from(256 & 999999u64);
|
error: casting `u64` to `u8` may truncate the value
--> tests/ui/cast.rs:569:5
|
LL | (255 % 999999u64) as u8;
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= help: if this is intentional allow the lint with `#[allow(clippy::cast_possible_truncation)]` ...
help: ... or use `try_from` and handle the error accordingly
|
LL - (255 % 999999u64) as u8;
LL + u8::try_from(255 % 999999u64);
|
error: casting `u8` to `i8` may wrap around the value
--> tests/ui/cast.rs:576:13
|
LL | _ = 1u8 as i8;
| ^^^^^^^^^ help: if this is intentional, use `cast_signed()` instead: `1u8.cast_signed()`
error: casting `u8` to `i8` may wrap around the value
--> tests/ui/cast.rs:581:13
|
LL | _ = 1u8 as i8;
| ^^^^^^^^^
error: casting `u8` to `i8` may wrap around the value
--> tests/ui/cast.rs:589:13
|
LL | _ = val? as i8;
| ^^^^^^^^^^ help: if this is intentional, use `cast_signed()` instead: `val?.cast_signed()`
error: aborting due to 95 previous errors