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Use a diagnostic item instead of filtering for Index::Output

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This commit is contained in:
Michael Goulet 2023-04-18 18:55:17 +00:00
parent 770c303c00
commit d84b5f9b3d
3 changed files with 4 additions and 9 deletions
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library/core/src/ops/index.rs
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@ -59,6 +59,7 @@
pub trait Index<Idx: ?Sized> {
/// The returned type after indexing.
#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_diagnostic_item = "IndexOutput"]
type Output: ?Sized;
/// Performs the indexing (`container[index]`) operation.