mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-10 15:14:29 +00:00
488 lines
14 KiB
Text
488 lines
14 KiB
Text
error: casts from `u8` to `u16` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:8:5
|
|
|
|
|
LL | 0u8 as u16;
|
|
| ^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
= note: `-D clippy::cast-lossless` implied by `-D warnings`
|
|
= help: to override `-D warnings` add `#[allow(clippy::cast_lossless)]`
|
|
help: use `u16::from` instead
|
|
|
|
|
LL | u16::from(0u8);
|
|
| ~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u8` to `i16` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:10:5
|
|
|
|
|
LL | 0u8 as i16;
|
|
| ^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i16::from` instead
|
|
|
|
|
LL | i16::from(0u8);
|
|
| ~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u8` to `u32` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:12:5
|
|
|
|
|
LL | 0u8 as u32;
|
|
| ^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `u32::from` instead
|
|
|
|
|
LL | u32::from(0u8);
|
|
| ~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u8` to `i32` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:14:5
|
|
|
|
|
LL | 0u8 as i32;
|
|
| ^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i32::from` instead
|
|
|
|
|
LL | i32::from(0u8);
|
|
| ~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u8` to `u64` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:16:5
|
|
|
|
|
LL | 0u8 as u64;
|
|
| ^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `u64::from` instead
|
|
|
|
|
LL | u64::from(0u8);
|
|
| ~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u8` to `i64` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:18:5
|
|
|
|
|
LL | 0u8 as i64;
|
|
| ^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i64::from` instead
|
|
|
|
|
LL | i64::from(0u8);
|
|
| ~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u8` to `u128` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:20:5
|
|
|
|
|
LL | 0u8 as u128;
|
|
| ^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `u128::from` instead
|
|
|
|
|
LL | u128::from(0u8);
|
|
| ~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u8` to `i128` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:22:5
|
|
|
|
|
LL | 0u8 as i128;
|
|
| ^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i128::from` instead
|
|
|
|
|
LL | i128::from(0u8);
|
|
| ~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u16` to `u32` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:25:5
|
|
|
|
|
LL | 0u16 as u32;
|
|
| ^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `u32::from` instead
|
|
|
|
|
LL | u32::from(0u16);
|
|
| ~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u16` to `i32` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:27:5
|
|
|
|
|
LL | 0u16 as i32;
|
|
| ^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i32::from` instead
|
|
|
|
|
LL | i32::from(0u16);
|
|
| ~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u16` to `u64` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:29:5
|
|
|
|
|
LL | 0u16 as u64;
|
|
| ^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `u64::from` instead
|
|
|
|
|
LL | u64::from(0u16);
|
|
| ~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u16` to `i64` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:31:5
|
|
|
|
|
LL | 0u16 as i64;
|
|
| ^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i64::from` instead
|
|
|
|
|
LL | i64::from(0u16);
|
|
| ~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u16` to `u128` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:33:5
|
|
|
|
|
LL | 0u16 as u128;
|
|
| ^^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `u128::from` instead
|
|
|
|
|
LL | u128::from(0u16);
|
|
| ~~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u16` to `i128` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:35:5
|
|
|
|
|
LL | 0u16 as i128;
|
|
| ^^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i128::from` instead
|
|
|
|
|
LL | i128::from(0u16);
|
|
| ~~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u32` to `u64` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:38:5
|
|
|
|
|
LL | 0u32 as u64;
|
|
| ^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `u64::from` instead
|
|
|
|
|
LL | u64::from(0u32);
|
|
| ~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u32` to `i64` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:40:5
|
|
|
|
|
LL | 0u32 as i64;
|
|
| ^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i64::from` instead
|
|
|
|
|
LL | i64::from(0u32);
|
|
| ~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u32` to `u128` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:42:5
|
|
|
|
|
LL | 0u32 as u128;
|
|
| ^^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `u128::from` instead
|
|
|
|
|
LL | u128::from(0u32);
|
|
| ~~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u32` to `i128` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:44:5
|
|
|
|
|
LL | 0u32 as i128;
|
|
| ^^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i128::from` instead
|
|
|
|
|
LL | i128::from(0u32);
|
|
| ~~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u64` to `u128` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:47:5
|
|
|
|
|
LL | 0u64 as u128;
|
|
| ^^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `u128::from` instead
|
|
|
|
|
LL | u128::from(0u64);
|
|
| ~~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u64` to `i128` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:49:5
|
|
|
|
|
LL | 0u64 as i128;
|
|
| ^^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i128::from` instead
|
|
|
|
|
LL | i128::from(0u64);
|
|
| ~~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `i8` to `i16` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:52:5
|
|
|
|
|
LL | 0i8 as i16;
|
|
| ^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i16::from` instead
|
|
|
|
|
LL | i16::from(0i8);
|
|
| ~~~~~~~~~~~~~~
|
|
|
|
error: casts from `i8` to `i32` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:54:5
|
|
|
|
|
LL | 0i8 as i32;
|
|
| ^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i32::from` instead
|
|
|
|
|
LL | i32::from(0i8);
|
|
| ~~~~~~~~~~~~~~
|
|
|
|
error: casts from `i8` to `i64` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:56:5
|
|
|
|
|
LL | 0i8 as i64;
|
|
| ^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i64::from` instead
|
|
|
|
|
LL | i64::from(0i8);
|
|
| ~~~~~~~~~~~~~~
|
|
|
|
error: casts from `i8` to `i128` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:58:5
|
|
|
|
|
LL | 0i8 as i128;
|
|
| ^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i128::from` instead
|
|
|
|
|
LL | i128::from(0i8);
|
|
| ~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `i16` to `i32` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:61:5
|
|
|
|
|
LL | 0i16 as i32;
|
|
| ^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i32::from` instead
|
|
|
|
|
LL | i32::from(0i16);
|
|
| ~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `i16` to `i64` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:63:5
|
|
|
|
|
LL | 0i16 as i64;
|
|
| ^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i64::from` instead
|
|
|
|
|
LL | i64::from(0i16);
|
|
| ~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `i16` to `i128` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:65:5
|
|
|
|
|
LL | 0i16 as i128;
|
|
| ^^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i128::from` instead
|
|
|
|
|
LL | i128::from(0i16);
|
|
| ~~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `i32` to `i64` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:68:5
|
|
|
|
|
LL | 0i32 as i64;
|
|
| ^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i64::from` instead
|
|
|
|
|
LL | i64::from(0i32);
|
|
| ~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `i32` to `i128` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:70:5
|
|
|
|
|
LL | 0i32 as i128;
|
|
| ^^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i128::from` instead
|
|
|
|
|
LL | i128::from(0i32);
|
|
| ~~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `i64` to `i128` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:73:5
|
|
|
|
|
LL | 0i64 as i128;
|
|
| ^^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i128::from` instead
|
|
|
|
|
LL | i128::from(0i64);
|
|
| ~~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u8` to `u16` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:77:13
|
|
|
|
|
LL | let _ = (1u8 + 1u8) as u16;
|
|
| ^^^^^^^^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `u16::from` instead
|
|
|
|
|
LL | let _ = u16::from(1u8 + 1u8);
|
|
| ~~~~~~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `i8` to `i64` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:80:13
|
|
|
|
|
LL | let _ = 1i8 as I64Alias;
|
|
| ^^^^^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `I64Alias::from` instead
|
|
|
|
|
LL | let _ = I64Alias::from(1i8);
|
|
| ~~~~~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u8` to `u16` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:83:18
|
|
|
|
|
LL | let _: u16 = 0u8 as _;
|
|
| ^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `Into::into` instead
|
|
|
|
|
LL | let _: u16 = 0u8.into();
|
|
| ~~~~~~~~~~
|
|
|
|
error: casts from `i8` to `i16` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:85:18
|
|
|
|
|
LL | let _: i16 = -1i8 as _;
|
|
| ^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `Into::into` instead
|
|
|
|
|
LL | let _: i16 = (-1i8).into();
|
|
| ~~~~~~~~~~~~~
|
|
|
|
error: casts from `u8` to `u16` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:87:18
|
|
|
|
|
LL | let _: u16 = (1u8 + 2) as _;
|
|
| ^^^^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `Into::into` instead
|
|
|
|
|
LL | let _: u16 = (1u8 + 2).into();
|
|
| ~~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u16` to `u32` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:89:18
|
|
|
|
|
LL | let _: u32 = 1i8 as u16 as _;
|
|
| ^^^^^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `Into::into` instead
|
|
|
|
|
LL | let _: u32 = (1i8 as u16).into();
|
|
| ~~~~~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `i8` to `i32` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:124:13
|
|
|
|
|
LL | let _ = sign_cast!(x, u8, i8) as i32;
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i32::from` instead
|
|
|
|
|
LL | let _ = i32::from(sign_cast!(x, u8, i8));
|
|
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `i8` to `i32` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:126:13
|
|
|
|
|
LL | let _ = (sign_cast!(x, u8, i8) + 1) as i32;
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `i32::from` instead
|
|
|
|
|
LL | let _ = i32::from(sign_cast!(x, u8, i8) + 1);
|
|
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
error: casts from `u8` to `u32` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:133:13
|
|
|
|
|
LL | 1u8 as u32
|
|
| ^^^^^^^^^^
|
|
...
|
|
LL | let _ = in_macro!();
|
|
| ----------- in this macro invocation
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
= note: this error originates in the macro `in_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
|
|
help: use `u32::from` instead
|
|
|
|
|
LL | u32::from(1u8)
|
|
|
|
|
|
|
error: casts from `u8` to `u32` can be expressed infallibly using `From`
|
|
--> tests/ui/cast_lossless_integer.rs:148:13
|
|
|
|
|
LL | let _ = 0u8 as ty!();
|
|
| ^^^^^^^^^^^^
|
|
|
|
|
= help: an `as` cast can become silently lossy if the types change in the future
|
|
help: use `<ty!()>::from` instead
|
|
|
|
|
LL | let _ = <ty!()>::from(0u8);
|
|
| ~~~~~~~~~~~~~~~~~~
|
|
|
|
error: aborting due to 40 previous errors
|
|
|