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derive Copy, Clone, PartialEq, Eq for ImplTraitContext

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Santiago Pastorino 2022-05-31 16:47:40 -03:00
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compiler/rustc_ast_lowering/src/lib.rs
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@ -246,7 +246,7 @@ pub trait ResolverAstLowering {
/// Context of `impl Trait` in code, which determines whether it is allowed in an HIR subtree, /// Context of `impl Trait` in code, which determines whether it is allowed in an HIR subtree,
/// and if so, what meaning it has. /// and if so, what meaning it has.
#[derive(Debug)] #[derive(Debug, Copy, Clone, PartialEq, Eq)]
enum ImplTraitContext { enum ImplTraitContext {
/// Treat `impl Trait` as shorthand for a new universal generic parameter. /// Treat `impl Trait` as shorthand for a new universal generic parameter.
/// Example: `fn foo(x: impl Debug)`, where `impl Debug` is conceptually /// Example: `fn foo(x: impl Debug)`, where `impl Debug` is conceptually