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NiceRegionError: Use written return type for async fn

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This commit is contained in:
Tyler Mandry
2021-11-20 02:48:29 +00:00
parent 6487845884
commit 5c15ad7fca
13 changed files with 181 additions and 165 deletions
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15
compiler/rustc_hir/src/hir.rs
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@@ -2726,6 +2726,10 @@ pub struct FnHeader {
}
impl FnHeader {
pub fn is_async(&self) -> bool {
matches!(&self.asyncness, IsAsync::Async)
}
pub fn is_const(&self) -> bool {
matches!(&self.constness, Constness::Const)
}
@@ -3169,7 +3173,7 @@ impl<'hir> Node<'hir> {
}
}
pub fn fn_decl(&self) -> Option<&FnDecl<'hir>> {
pub fn fn_decl(&self) -> Option<&'hir FnDecl<'hir>> {
match self {
Node::TraitItem(TraitItem { kind: TraitItemKind::Fn(fn_sig, _), .. })
| Node::ImplItem(ImplItem { kind: ImplItemKind::Fn(fn_sig, _), .. })
@@ -3181,6 +3185,15 @@ impl<'hir> Node<'hir> {
}
}
pub fn fn_sig(&self) -> Option<&'hir FnSig<'hir>> {
match self {
Node::TraitItem(TraitItem { kind: TraitItemKind::Fn(fn_sig, _), .. })
| Node::ImplItem(ImplItem { kind: ImplItemKind::Fn(fn_sig, _), .. })
| Node::Item(Item { kind: ItemKind::Fn(fn_sig, _, _), .. }) => Some(fn_sig),
_ => None,
}
}
pub fn body_id(&self) -> Option<BodyId> {
match self {
Node::TraitItem(TraitItem {