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delegation: Implement list delegation

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```rust
reuse prefix::{a, b, c}
```
This commit is contained in:
Vadim Petrochenkov
2024-03-15 14:21:03 +03:00
parent 8387315ab3
commit c30b41012d
29 changed files with 511 additions and 60 deletions
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8
compiler/rustc_passes/src/lang_items.rs
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@@ -285,7 +285,9 @@ impl<'ast, 'tcx> visit::Visitor<'ast> for LanguageItemCollector<'ast, 'tcx> {
ast::ItemKind::TraitAlias(_, _) => Target::TraitAlias,
ast::ItemKind::Impl(_) => Target::Impl,
ast::ItemKind::MacroDef(_) => Target::MacroDef,
ast::ItemKind::MacCall(_) => unreachable!("macros should have been expanded"),
ast::ItemKind::MacCall(_) | ast::ItemKind::DelegationMac(_) => {
unreachable!("macros should have been expanded")
}
};
self.check_for_lang(
@@ -340,7 +342,9 @@ impl<'ast, 'tcx> visit::Visitor<'ast> for LanguageItemCollector<'ast, 'tcx> {
}
ast::AssocItemKind::Const(ct) => (Target::AssocConst, Some(&ct.generics)),
ast::AssocItemKind::Type(ty) => (Target::AssocTy, Some(&ty.generics)),
ast::AssocItemKind::MacCall(_) => unreachable!("macros should have been expanded"),
ast::AssocItemKind::MacCall(_) | ast::AssocItemKind::DelegationMac(_) => {
unreachable!("macros should have been expanded")
}
};
self.check_for_lang(