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Support async gen fn

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This commit is contained in:
Michael Goulet
2023-12-05 21:45:01 +00:00
parent 2806c2df7b
commit a208bae00e
16 changed files with 115 additions and 104 deletions
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8
compiler/rustc_ast_lowering/src/lib.rs
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@@ -1904,7 +1904,8 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
let opaque_ty_node_id = match coro {
CoroutineKind::Async { return_impl_trait_id, .. }
| CoroutineKind::Gen { return_impl_trait_id, .. } => return_impl_trait_id,
| CoroutineKind::Gen { return_impl_trait_id, .. }
| CoroutineKind::AsyncGen { return_impl_trait_id, .. } => return_impl_trait_id,
};
let captured_lifetimes: Vec<_> = self
@@ -1960,8 +1961,9 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
// "<$assoc_ty_name = T>"
let (assoc_ty_name, trait_lang_item) = match coro {
CoroutineKind::Async { .. } => (hir::FN_OUTPUT_NAME, hir::LangItem::Future),
CoroutineKind::Gen { .. } => (hir::ITERATOR_ITEM_NAME, hir::LangItem::Iterator),
CoroutineKind::Async { .. } => (sym::Output, hir::LangItem::Future),
CoroutineKind::Gen { .. } => (sym::Item, hir::LangItem::Iterator),
CoroutineKind::AsyncGen { .. } => (sym::Item, hir::LangItem::AsyncIterator),
};
let future_args = self.arena.alloc(hir::GenericArgs {