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