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Show sizes in error output

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This commit is contained in:
Oli Scherer 2022-07-11 10:34:01 +00:00
parent fef596f6a2
commit 9a204509d2
1 changed files with 3 additions and 1 deletions
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4
src/test/ui/layout/unsafe-cell-hides-niche.rs
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@ -18,10 +18,12 @@ struct Transparent<T>(T);
struct NoNiche<T>(UnsafeCell<T>); struct NoNiche<T>(UnsafeCell<T>);
struct Size<const S: usize>;
// Overwriting the runtime assertion and making it a compile-time assertion // Overwriting the runtime assertion and making it a compile-time assertion
macro_rules! assert_size { macro_rules! assert_size {
($a:ty, $b:literal) => {{ ($a:ty, $b:literal) => {{
const _: () = assert!(std::mem::size_of::<$a>() == $b); const _: Size::<$b> = Size::<{std::mem::size_of::<$a>()}>;
}}; }};
} }