mirror of
https://github.com/rust-lang/rust-clippy
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53 lines
2.4 KiB
Rust
53 lines
2.4 KiB
Rust
#![warn(clippy::transmute_int_to_non_zero)]
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#![allow(clippy::missing_transmute_annotations)]
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use core::num::NonZero;
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fn main() {
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let int_u8: u8 = 1;
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let int_u16: u16 = 1;
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let int_u32: u32 = 1;
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let int_u64: u64 = 1;
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let int_u128: u128 = 1;
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let int_i8: i8 = 1;
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let int_i16: i16 = 1;
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let int_i32: i32 = 1;
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let int_i64: i64 = 1;
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let int_i128: i128 = 1;
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let _: NonZero<u8> = unsafe { std::mem::transmute(int_u8) };
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//~^ ERROR: transmute from a `u8` to a `NonZero<u8>`
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//~| NOTE: `-D clippy::transmute-int-to-non-zero` implied by `-D warnings`
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let _: NonZero<u16> = unsafe { std::mem::transmute(int_u16) };
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//~^ ERROR: transmute from a `u16` to a `NonZero<u16>`
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let _: NonZero<u32> = unsafe { std::mem::transmute(int_u32) };
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//~^ ERROR: transmute from a `u32` to a `NonZero<u32>`
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let _: NonZero<u64> = unsafe { std::mem::transmute(int_u64) };
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//~^ ERROR: transmute from a `u64` to a `NonZero<u64>`
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let _: NonZero<u128> = unsafe { std::mem::transmute(int_u128) };
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//~^ ERROR: transmute from a `u128` to a `NonZero<u128>`
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let _: NonZero<i8> = unsafe { std::mem::transmute(int_i8) };
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//~^ ERROR: transmute from a `i8` to a `NonZero<i8>`
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let _: NonZero<i16> = unsafe { std::mem::transmute(int_i16) };
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//~^ ERROR: transmute from a `i16` to a `NonZero<i16>`
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let _: NonZero<i32> = unsafe { std::mem::transmute(int_i32) };
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//~^ ERROR: transmute from a `i32` to a `NonZero<i32>`
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let _: NonZero<i64> = unsafe { std::mem::transmute(int_i64) };
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//~^ ERROR: transmute from a `i64` to a `NonZero<i64>`
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let _: NonZero<i128> = unsafe { std::mem::transmute(int_i128) };
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//~^ ERROR: transmute from a `i128` to a `NonZero<i128>`
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let _: NonZero<u8> = unsafe { NonZero::new_unchecked(int_u8) };
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let _: NonZero<u16> = unsafe { NonZero::new_unchecked(int_u16) };
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let _: NonZero<u32> = unsafe { NonZero::new_unchecked(int_u32) };
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let _: NonZero<u64> = unsafe { NonZero::new_unchecked(int_u64) };
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let _: NonZero<u128> = unsafe { NonZero::new_unchecked(int_u128) };
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let _: NonZero<i8> = unsafe { NonZero::new_unchecked(int_i8) };
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let _: NonZero<i16> = unsafe { NonZero::new_unchecked(int_i16) };
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let _: NonZero<i32> = unsafe { NonZero::new_unchecked(int_i32) };
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let _: NonZero<i64> = unsafe { NonZero::new_unchecked(int_i64) };
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let _: NonZero<i128> = unsafe { NonZero::new_unchecked(int_i128) };
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}
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