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Use some more visible sigils than ,

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This commit is contained in:
Oli Scherer 2022-07-12 07:22:52 +00:00
parent 3338593afd
commit 24e87965ae
1 changed files with 16 additions and 16 deletions
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32
src/test/ui/layout/unsafe-cell-hides-niche.rs
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@ -26,7 +26,7 @@ macro_rules! check_sizes {
(check_one_specific_size: $ty:ty, $size:expr) => { (check_one_specific_size: $ty:ty, $size:expr) => {
const _: Size::<{$size}> = Size::<{size_of::<$ty>()}>; const _: Size::<{$size}> = Size::<{size_of::<$ty>()}>;
}; };
($ty:ty, $size:expr, $optioned_size:expr) => { ($ty:ty: $size:expr => $optioned_size:expr) => {
check_sizes!(check_one_specific_size: $ty, $size); check_sizes!(check_one_specific_size: $ty, $size);
check_sizes!(check_one_specific_size: Option<$ty>, $optioned_size); check_sizes!(check_one_specific_size: Option<$ty>, $optioned_size);
check_sizes!(check_no_niche_opt: $size != $optioned_size, $ty); check_sizes!(check_no_niche_opt: $size != $optioned_size, $ty);
@ -41,30 +41,30 @@ macro_rules! check_sizes {
const PTR_SIZE: usize = std::mem::size_of::<*const ()>(); const PTR_SIZE: usize = std::mem::size_of::<*const ()>();
check_sizes!(Wrapper<u32>, 4, 8); check_sizes!(Wrapper<u32>: 4 => 8);
check_sizes!(Wrapper<N32>, 4, 4); // (✓ niche opt) check_sizes!(Wrapper<N32>: 4 => 4); // (✓ niche opt)
check_sizes!(Transparent<u32>, 4, 8); check_sizes!(Transparent<u32>: 4 => 8);
check_sizes!(Transparent<N32>, 4, 4); // (✓ niche opt) check_sizes!(Transparent<N32>: 4 => 4); // (✓ niche opt)
check_sizes!(NoNiche<u32>, 4, 8); check_sizes!(NoNiche<u32>: 4 => 8);
check_sizes!(NoNiche<N32>, 4, 8); check_sizes!(NoNiche<N32>: 4 => 8);
check_sizes!(UnsafeCell<u32>, 4, 8); check_sizes!(UnsafeCell<u32>: 4 => 8);
check_sizes!(UnsafeCell<N32>, 4, 8); check_sizes!(UnsafeCell<N32>: 4 => 8);
check_sizes!(UnsafeCell<&()> , PTR_SIZE, PTR_SIZE * 2); check_sizes!(UnsafeCell<&()>: PTR_SIZE => PTR_SIZE * 2);
check_sizes!( Cell<&()> , PTR_SIZE, PTR_SIZE * 2); check_sizes!( Cell<&()>: PTR_SIZE => PTR_SIZE * 2);
check_sizes!( RefCell<&()> , PTR_SIZE * 2, PTR_SIZE * 3); check_sizes!( RefCell<&()>: PTR_SIZE * 2 => PTR_SIZE * 3);
check_sizes!(RwLock<&()>); check_sizes!(RwLock<&()>);
check_sizes!(Mutex<&()>); check_sizes!(Mutex<&()>);
check_sizes!(UnsafeCell<&[i32]> , PTR_SIZE * 2, PTR_SIZE * 3); check_sizes!(UnsafeCell<&[i32]>: PTR_SIZE * 2 => PTR_SIZE * 3);
check_sizes!(UnsafeCell<(&(), &())> , PTR_SIZE * 2, PTR_SIZE * 3); check_sizes!(UnsafeCell<(&(), &())>: PTR_SIZE * 2 => PTR_SIZE * 3);
trait Trait {} trait Trait {}
check_sizes!(UnsafeCell<&dyn Trait> , PTR_SIZE * 2, PTR_SIZE * 3); check_sizes!(UnsafeCell<&dyn Trait>: PTR_SIZE * 2 => PTR_SIZE * 3);
#[repr(simd)] #[repr(simd)]
pub struct Vec4<T>([T; 4]); pub struct Vec4<T>([T; 4]);
check_sizes!(UnsafeCell<Vec4<N32>> , 16, 32); check_sizes!(UnsafeCell<Vec4<N32>>: 16 => 32);