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af30656785
Normalize associated types in paths in expressions Part of #14393 When we resolve paths in expressions (either path expressions or paths in struct expressions), there's a need of projection normalization, which `TyLoweringContext` cannot do on its own. We've been properly applying normalization for paths in struct expressions without type anchor, but not for others: ```rust enum E { S { v: i32 } Empty, } impl Foo for Bar { type Assoc = E; fn foo() { let _ = Self::Assoc::S { v: 42 }; // path in struct expr without type anchor; we already support this let _ = <Self>::Assoc::S { v: 42 }; // path in struct expr with type anchor; resolves with this PR let _ = Self::Assoc::Empty; // path expr; resolves with this PR } } ``` With this PR we correctly resolve the whole path, but we need some more tweaks in HIR and/or IDE layers to properly resolve a qualifier (prefix) of such paths and provide IDE features that are pointed out in #14393 to be currently broken. |
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