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Add deprecated_safe feature gate and attribute, cc #94978

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skippy10110 2022-03-15 19:28:53 -03:00
parent 83460d5e62
commit e4f1179fa6
5 changed files with 36 additions and 0 deletions
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2
compiler/rustc_feature/src/active.rs
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@ -364,6 +364,8 @@ declare_features! (
(active, default_alloc_error_handler, "1.48.0", Some(66741), None),
/// Allows default type parameters to influence type inference.
(active, default_type_parameter_fallback, "1.3.0", Some(27336), None),
/// Allows using `#[deprecated_safe]` to deprecate the safeness of a function or trait
(active, deprecated_safe, "1.61.0", Some(94978), None),
/// Allows having using `suggestion` in the `#[deprecated]` attribute.
(active, deprecated_suggestion, "1.61.0", Some(94785), None),
/// Allows `#[derive(Default)]` and `#[default]` on enums.

5
compiler/rustc_feature/src/builtin_attrs.rs
View file

@ -452,6 +452,11 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
"`default_method_body_is_const` is a temporary placeholder for declaring default bodies \
as `const`, which may be removed or renamed in the future."
),
// lang-team MCP 147
gated!(
deprecated_safe, Normal, template!(List: r#"since = "version", note = "...""#), ErrorFollowing,
experimental!(deprecated_safe),
),
// ==========================================================================
// Internal attributes: Stability, deprecation, and unsafe: