Insert whitespace to avoid ident concatenation in suggestion

[rust.git] / compiler / rustc_macros / src / type_foldable.rs

diff --git a/compiler/rustc_macros/src/type_foldable.rs b/compiler/rustc_macros/src/type_foldable.rs
index 9e834d3ba1c2d93aa663223563ea614fa3181a48..23e619221aab7e289f0decb098302e4e315df55d 100644 (file)
--- a/compiler/rustc_macros/src/type_foldable.rs
+++ b/compiler/rustc_macros/src/type_foldable.rs
@@ -11,11 +11,6 @@ pub fn type_foldable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2::
     }
 
     s.add_bounds(synstructure::AddBounds::Generics);
-    let body_visit = s.each(|bind| {
-        quote! {
-            ::rustc_middle::ty::fold::TypeFoldable::visit_with(#bind, __folder)?;
-        }
-    });
     s.bind_with(|_| synstructure::BindStyle::Move);
     let body_fold = s.each_variant(|vi| {
         let bindings = vi.bindings();
@@ -36,14 +31,6 @@ fn try_fold_with<__F: ::rustc_middle::ty::fold::FallibleTypeFolder<'tcx>>(
             ) -> Result<Self, __F::Error> {
                 Ok(match self { #body_fold })
             }
-
-            fn visit_with<__F: ::rustc_middle::ty::fold::TypeVisitor<'tcx>>(
-                &self,
-                __folder: &mut __F
-            ) -> ::std::ops::ControlFlow<__F::BreakTy> {
-                match *self { #body_visit }
-                ::std::ops::ControlFlow::CONTINUE
-            }
         },
     )
 }