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Update src/librustc_passes/stability.rs

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Co-authored-by: varkor <github@varkor.com>
This commit is contained in:
Avi Dessauer 2020-07-08 15:31:48 -04:00 committed by Jacob Hughes
parent 19e90843a4
commit 41eec9065a
1 changed files with 6 additions and 2 deletions
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8
compiler/rustc_passes/src/stability.rs
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@ -37,8 +37,12 @@ enum AnnotationKind {
Container,
}
/// Inheriting deprecations Nested items causes duplicate warnings.
/// Inheriting the deprecation of `Foo<T>` onto the parameter `T`, would cause a duplicate warnings.
/// Whether to inherit deprecation flags for nested items. In most cases, we do want to inherit
/// deprecation, because nested items rarely have individual deprecation attributes, and so
/// should be treated as deprecated if their parent is. However, default generic parameters
/// have separate deprecation attributes from their parents, so we do not wish to inherit
/// deprecation in this case. For example, inheriting deprecation for `T` in `Foo<T>`
/// would cause a duplicate warning arising from both `Foo` and `T` being deprecated.
#[derive(PartialEq, Copy, Clone)]
enum InheritDeprecation {
Yes,