mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-10 15:14:29 +00:00
48 lines
2 KiB
Rust
48 lines
2 KiB
Rust
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fn main() {
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unsafe {
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let _slice: &[usize] = std::slice::from_raw_parts(std::ptr::null(), 0);
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let _slice: &[usize] = std::slice::from_raw_parts(std::ptr::null_mut(), 0);
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let _slice: &[usize] = std::slice::from_raw_parts_mut(std::ptr::null_mut(), 0);
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std::ptr::copy::<usize>(std::ptr::null(), std::ptr::NonNull::dangling().as_ptr(), 0);
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std::ptr::copy::<usize>(std::ptr::NonNull::dangling().as_ptr(), std::ptr::null_mut(), 0);
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std::ptr::copy_nonoverlapping::<usize>(std::ptr::null(), std::ptr::NonNull::dangling().as_ptr(), 0);
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std::ptr::copy_nonoverlapping::<usize>(std::ptr::NonNull::dangling().as_ptr(), std::ptr::null_mut(), 0);
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struct A; // zero sized struct
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assert_eq!(std::mem::size_of::<A>(), 0);
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let _a: A = std::ptr::read(std::ptr::null());
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let _a: A = std::ptr::read(std::ptr::null_mut());
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let _a: A = std::ptr::read_unaligned(std::ptr::null());
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let _a: A = std::ptr::read_unaligned(std::ptr::null_mut());
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let _a: A = std::ptr::read_volatile(std::ptr::null());
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let _a: A = std::ptr::read_volatile(std::ptr::null_mut());
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let _a: A = std::ptr::replace(std::ptr::null_mut(), A);
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let _slice: *const [usize] = std::ptr::slice_from_raw_parts(std::ptr::null(), 0);
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let _slice: *const [usize] = std::ptr::slice_from_raw_parts(std::ptr::null_mut(), 0);
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let _slice: *const [usize] = std::ptr::slice_from_raw_parts_mut(std::ptr::null_mut(), 0);
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std::ptr::swap::<A>(std::ptr::null_mut(), &mut A);
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std::ptr::swap::<A>(&mut A, std::ptr::null_mut());
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std::ptr::swap_nonoverlapping::<A>(std::ptr::null_mut(), &mut A, 0);
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std::ptr::swap_nonoverlapping::<A>(&mut A, std::ptr::null_mut(), 0);
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std::ptr::write(std::ptr::null_mut(), A);
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std::ptr::write_unaligned(std::ptr::null_mut(), A);
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std::ptr::write_volatile(std::ptr::null_mut(), A);
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std::ptr::write_bytes::<usize>(std::ptr::null_mut(), 42, 0);
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}
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}
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