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delegation: Implement list delegation

Browse Source 
```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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26
compiler/rustc_ast/src/visit.rs
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@@ -403,6 +403,19 @@ impl WalkItemKind for ItemKind {
visit_opt!(visitor, visit_ident, *rename);
visit_opt!(visitor, visit_block, body);
}
ItemKind::DelegationMac(box DelegationMac { qself, prefix, suffixes, body }) => {
if let Some(qself) = qself {
try_visit!(visitor.visit_ty(&qself.ty));
}
try_visit!(visitor.visit_path(prefix, item.id));
for (ident, rename) in suffixes {
visitor.visit_ident(*ident);
if let Some(rename) = rename {
visitor.visit_ident(*rename);
}
}
visit_opt!(visitor, visit_block, body);
}
}
V::Result::output()
}
@@ -815,6 +828,19 @@ impl WalkItemKind for AssocItemKind {
visit_opt!(visitor, visit_ident, *rename);
visit_opt!(visitor, visit_block, body);
}
AssocItemKind::DelegationMac(box DelegationMac { qself, prefix, suffixes, body }) => {
if let Some(qself) = qself {
try_visit!(visitor.visit_ty(&qself.ty));
}
try_visit!(visitor.visit_path(prefix, item.id));
for (ident, rename) in suffixes {
visitor.visit_ident(*ident);
if let Some(rename) = rename {
visitor.visit_ident(*rename);
}
}
visit_opt!(visitor, visit_block, body);
}
}
V::Result::output()
}