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Make offset_of field parsing use metavariable which handles any spacing

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George Bateman 2024-01-02 22:12:35 +00:00
parent e51e98dde6
commit 09bb07e38f
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13 changed files with 294 additions and 264 deletions
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10
library/core/src/mem/mod.rs
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@ -1395,8 +1395,18 @@ impl<T> SizedTypeProperties for T {}
///
/// assert_eq!(mem::offset_of!(Option<&u8>, Some.0), 0);
/// ```
#[cfg(not(bootstrap))]
#[unstable(feature = "offset_of", issue = "106655")]
#[allow_internal_unstable(builtin_syntax, hint_must_use)]
pub macro offset_of($Container:ty, $($fields:expr)+ $(,)?) {
// The `{}` is for better error messages
crate::hint::must_use({builtin # offset_of($Container, $($fields)+)})
}
#[cfg(bootstrap)]
#[unstable(feature = "offset_of", issue = "106655")]
#[allow_internal_unstable(builtin_syntax, hint_must_use)]
#[allow(missing_docs)]
pub macro offset_of($Container:ty, $($fields:tt).+ $(,)?) {
// The `{}` is for better error messages
crate::hint::must_use({builtin # offset_of($Container, $($fields).+)})