@@ -288,31 +288,31 @@ enum ImplTraitPosition {
288288impl std:: fmt:: Display for ImplTraitPosition {
289289 fn fmt ( & self , f : & mut std:: fmt:: Formatter < ' _ > ) -> std:: fmt:: Result {
290290 let name = match self {
291- ImplTraitPosition :: Path => "path " ,
292- ImplTraitPosition :: Variable => "variable binding " ,
293- ImplTraitPosition :: Trait => "trait " ,
294- ImplTraitPosition :: AsyncBlock => "async block " ,
295- ImplTraitPosition :: Bound => "bound " ,
296- ImplTraitPosition :: Generic => "generic " ,
297- ImplTraitPosition :: ExternFnParam => "`extern fn` param " ,
298- ImplTraitPosition :: ClosureParam => "closure param " ,
299- ImplTraitPosition :: PointerParam => "`fn` pointer param " ,
300- ImplTraitPosition :: FnTraitParam => "`Fn` trait param " ,
301- ImplTraitPosition :: TraitParam => "trait method param " ,
302- ImplTraitPosition :: ImplParam => "`impl` method param " ,
303- ImplTraitPosition :: ExternFnReturn => "`extern fn` return" ,
304- ImplTraitPosition :: ClosureReturn => "closure return" ,
305- ImplTraitPosition :: PointerReturn => "`fn` pointer return" ,
306- ImplTraitPosition :: FnTraitReturn => "`Fn` trait return" ,
307- ImplTraitPosition :: TraitReturn => "trait method return" ,
308- ImplTraitPosition :: ImplReturn => "`impl` method return" ,
309- ImplTraitPosition :: GenericDefault => "generic parameter default " ,
310- ImplTraitPosition :: ConstTy => "const type " ,
311- ImplTraitPosition :: StaticTy => "static type " ,
312- ImplTraitPosition :: AssocTy => "associated type " ,
313- ImplTraitPosition :: FieldTy => "field type " ,
314- ImplTraitPosition :: Cast => "cast type " ,
315- ImplTraitPosition :: ImplSelf => "impl header " ,
291+ ImplTraitPosition :: Path => "paths " ,
292+ ImplTraitPosition :: Variable => "variable bindings " ,
293+ ImplTraitPosition :: Trait => "traits " ,
294+ ImplTraitPosition :: AsyncBlock => "async blocks " ,
295+ ImplTraitPosition :: Bound => "bounds " ,
296+ ImplTraitPosition :: Generic => "generics " ,
297+ ImplTraitPosition :: ExternFnParam => "`extern fn` params " ,
298+ ImplTraitPosition :: ClosureParam => "closure params " ,
299+ ImplTraitPosition :: PointerParam => "`fn` pointer params " ,
300+ ImplTraitPosition :: FnTraitParam => "`Fn` trait params " ,
301+ ImplTraitPosition :: TraitParam => "trait method params " ,
302+ ImplTraitPosition :: ImplParam => "`impl` method params " ,
303+ ImplTraitPosition :: ExternFnReturn => "`extern fn` return types " ,
304+ ImplTraitPosition :: ClosureReturn => "closure return types " ,
305+ ImplTraitPosition :: PointerReturn => "`fn` pointer return types " ,
306+ ImplTraitPosition :: FnTraitReturn => "`Fn` trait return types " ,
307+ ImplTraitPosition :: TraitReturn => "trait method return types " ,
308+ ImplTraitPosition :: ImplReturn => "`impl` method return types " ,
309+ ImplTraitPosition :: GenericDefault => "generic parameter defaults " ,
310+ ImplTraitPosition :: ConstTy => "const types " ,
311+ ImplTraitPosition :: StaticTy => "static types " ,
312+ ImplTraitPosition :: AssocTy => "associated types " ,
313+ ImplTraitPosition :: FieldTy => "field types " ,
314+ ImplTraitPosition :: Cast => "cast types " ,
315+ ImplTraitPosition :: ImplSelf => "impl headers " ,
316316 } ;
317317
318318 write ! ( f, "{name}" )
@@ -1038,12 +1038,6 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
10381038 // fn foo(x: dyn Iterator<Item = impl Debug>)
10391039 ImplTraitContext :: Universal if self . is_in_dyn_type => DesugarKind :: ImplTrait ,
10401040
1041- // In `type Foo = dyn Iterator<Item: Debug>` we desugar to
1042- // `type Foo = dyn Iterator<Item = impl Debug>` but we have to override the
1043- // "impl trait context" to permit `impl Debug` in this position (it desugars
1044- // then to an opaque type).
1045- //
1046- // FIXME: this is only needed until `impl Trait` is allowed in type aliases.
10471041 ImplTraitContext :: Disallowed ( position) if self . is_in_dyn_type => {
10481042 DesugarKind :: Error ( position)
10491043 }
0 commit comments