diff --git a/codegen/src/fold.rs b/codegen/src/fold.rs
index 39a0d8bc60..bd52b21924 100644
--- a/codegen/src/fold.rs
+++ b/codegen/src/fold.rs
@@ -32,10 +32,16 @@ fn visit(
         }
         Type::Vec(t) => {
             let Type::Syn(t) = &**t else { unimplemented!() };
-            let method = method_name(t);
-            Some(quote! {
-                fold_vec(#name, f, F::#method)
-            })
+            if t == "Attribute" {
+                Some(quote! {
+                    f.fold_attributes(#name)
+                })
+            } else {
+                let method = method_name(t);
+                Some(quote! {
+                    fold_vec(#name, f, F::#method)
+                })
+            }
         }
         Type::Punctuated(p) => {
             let t = &*p.element;
@@ -214,6 +220,14 @@ fn node(traits: &mut TokenStream, impls: &mut TokenStream, s: &Node, defs: &Defi
             #fold_impl
         }
     });
+
+    if s.ident == "Attribute" {
+        traits.extend(quote! {
+            fn fold_attributes(&mut self, i: Vec<crate::Attribute>) -> Vec<crate::Attribute> {
+                fold_vec(i, self, Self::fold_attribute)
+            }
+        });
+    }
 }
 
 pub fn generate(defs: &Definitions) -> Result<()> {
diff --git a/codegen/src/visit_mut.rs b/codegen/src/visit_mut.rs
index bd37a3ac54..e0b8fc83ed 100644
--- a/codegen/src/visit_mut.rs
+++ b/codegen/src/visit_mut.rs
@@ -36,14 +36,20 @@ fn visit(
             visit(t, features, defs, &Owned(quote!(*#name)))
         }
         Type::Vec(t) => {
-            let operand = Borrowed(quote!(it));
-            let val = visit(t, features, defs, &operand)?;
             let name = name.ref_mut_tokens();
-            Some(quote! {
-                for it in #name {
-                    #val;
-                }
-            })
+            if matches!(&**t, Type::Syn(t) if t == "Attribute") {
+                Some(quote! {
+                    v.visit_attributes_mut(#name);
+                })
+            } else {
+                let operand = Borrowed(quote!(it));
+                let val = visit(t, features, defs, &operand)?;
+                Some(quote! {
+                    for it in #name {
+                        #val;
+                    }
+                })
+            }
         }
         Type::Punctuated(p) => {
             let operand = Borrowed(quote!(it));
@@ -193,6 +199,16 @@ fn node(traits: &mut TokenStream, impls: &mut TokenStream, s: &Node, defs: &Defi
             #visit_mut_impl
         }
     });
+
+    if s.ident == "Attribute" {
+        traits.extend(quote! {
+            fn visit_attributes_mut(&mut self, i: &mut Vec<crate::Attribute>) {
+                for attr in i {
+                    self.visit_attribute_mut(attr);
+                }
+            }
+        });
+    }
 }
 
 pub fn generate(defs: &Definitions) -> Result<()> {
diff --git a/src/gen/fold.rs b/src/gen/fold.rs
index 1e6b724a67..aff567a2dd 100644
--- a/src/gen/fold.rs
+++ b/src/gen/fold.rs
@@ -63,6 +63,9 @@ pub trait Fold {
     fn fold_attribute(&mut self, i: crate::Attribute) -> crate::Attribute {
         fold_attribute(self, i)
     }
+    fn fold_attributes(&mut self, i: Vec<crate::Attribute>) -> Vec<crate::Attribute> {
+        fold_vec(i, self, Self::fold_attribute)
+    }
     #[cfg(any(feature = "derive", feature = "full"))]
     #[cfg_attr(docsrs, doc(cfg(any(feature = "derive", feature = "full"))))]
     fn fold_bare_fn_arg(&mut self, i: crate::BareFnArg) -> crate::BareFnArg {
@@ -1046,7 +1049,7 @@ where
     F: Fold + ?Sized,
 {
     crate::Arm {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         pat: f.fold_pat(node.pat),
         guard: (node.guard).map(|it| ((it).0, Box::new(f.fold_expr(*(it).1)))),
         fat_arrow_token: node.fat_arrow_token,
@@ -1111,7 +1114,7 @@ where
     F: Fold + ?Sized,
 {
     crate::BareFnArg {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         name: (node.name).map(|it| (f.fold_ident((it).0), (it).1)),
         ty: f.fold_type(node.ty),
     }
@@ -1123,7 +1126,7 @@ where
     F: Fold + ?Sized,
 {
     crate::BareVariadic {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         name: (node.name).map(|it| (f.fold_ident((it).0), (it).1)),
         dots: node.dots,
         comma: node.comma,
@@ -1218,7 +1221,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ConstParam {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         const_token: node.const_token,
         ident: f.fold_ident(node.ident),
         colon_token: node.colon_token,
@@ -1298,7 +1301,7 @@ where
     F: Fold + ?Sized,
 {
     crate::DeriveInput {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         ident: f.fold_ident(node.ident),
         generics: f.fold_generics(node.generics),
@@ -1429,7 +1432,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprArray {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         bracket_token: node.bracket_token,
         elems: crate::punctuated::fold(node.elems, f, F::fold_expr),
     }
@@ -1441,7 +1444,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprAssign {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         left: Box::new(f.fold_expr(*node.left)),
         eq_token: node.eq_token,
         right: Box::new(f.fold_expr(*node.right)),
@@ -1454,7 +1457,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprAsync {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         async_token: node.async_token,
         capture: node.capture,
         block: f.fold_block(node.block),
@@ -1467,7 +1470,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprAwait {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         base: Box::new(f.fold_expr(*node.base)),
         dot_token: node.dot_token,
         await_token: node.await_token,
@@ -1480,7 +1483,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprBinary {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         left: Box::new(f.fold_expr(*node.left)),
         op: f.fold_bin_op(node.op),
         right: Box::new(f.fold_expr(*node.right)),
@@ -1493,7 +1496,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprBlock {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         label: (node.label).map(|it| f.fold_label(it)),
         block: f.fold_block(node.block),
     }
@@ -1505,7 +1508,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprBreak {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         break_token: node.break_token,
         label: (node.label).map(|it| f.fold_lifetime(it)),
         expr: (node.expr).map(|it| Box::new(f.fold_expr(*it))),
@@ -1518,7 +1521,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprCall {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         func: Box::new(f.fold_expr(*node.func)),
         paren_token: node.paren_token,
         args: crate::punctuated::fold(node.args, f, F::fold_expr),
@@ -1531,7 +1534,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprCast {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         expr: Box::new(f.fold_expr(*node.expr)),
         as_token: node.as_token,
         ty: Box::new(f.fold_type(*node.ty)),
@@ -1544,7 +1547,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprClosure {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         lifetimes: (node.lifetimes).map(|it| f.fold_bound_lifetimes(it)),
         constness: node.constness,
         movability: node.movability,
@@ -1564,7 +1567,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprConst {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         const_token: node.const_token,
         block: f.fold_block(node.block),
     }
@@ -1576,7 +1579,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprContinue {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         continue_token: node.continue_token,
         label: (node.label).map(|it| f.fold_lifetime(it)),
     }
@@ -1588,7 +1591,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprField {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         base: Box::new(f.fold_expr(*node.base)),
         dot_token: node.dot_token,
         member: f.fold_member(node.member),
@@ -1601,7 +1604,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprForLoop {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         label: (node.label).map(|it| f.fold_label(it)),
         for_token: node.for_token,
         pat: Box::new(f.fold_pat(*node.pat)),
@@ -1617,7 +1620,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprGroup {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         group_token: node.group_token,
         expr: Box::new(f.fold_expr(*node.expr)),
     }
@@ -1629,7 +1632,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprIf {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         if_token: node.if_token,
         cond: Box::new(f.fold_expr(*node.cond)),
         then_branch: f.fold_block(node.then_branch),
@@ -1644,7 +1647,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprIndex {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         expr: Box::new(f.fold_expr(*node.expr)),
         bracket_token: node.bracket_token,
         index: Box::new(f.fold_expr(*node.index)),
@@ -1657,7 +1660,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprInfer {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         underscore_token: node.underscore_token,
     }
 }
@@ -1668,7 +1671,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprLet {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         let_token: node.let_token,
         pat: Box::new(f.fold_pat(*node.pat)),
         eq_token: node.eq_token,
@@ -1682,7 +1685,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprLit {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         lit: f.fold_lit(node.lit),
     }
 }
@@ -1693,7 +1696,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprLoop {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         label: (node.label).map(|it| f.fold_label(it)),
         loop_token: node.loop_token,
         body: f.fold_block(node.body),
@@ -1706,7 +1709,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprMacro {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         mac: f.fold_macro(node.mac),
     }
 }
@@ -1717,7 +1720,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprMatch {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         match_token: node.match_token,
         expr: Box::new(f.fold_expr(*node.expr)),
         brace_token: node.brace_token,
@@ -1734,7 +1737,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprMethodCall {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         receiver: Box::new(f.fold_expr(*node.receiver)),
         dot_token: node.dot_token,
         method: f.fold_ident(node.method),
@@ -1751,7 +1754,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprParen {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         paren_token: node.paren_token,
         expr: Box::new(f.fold_expr(*node.expr)),
     }
@@ -1763,7 +1766,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprPath {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         qself: (node.qself).map(|it| f.fold_qself(it)),
         path: f.fold_path(node.path),
     }
@@ -1775,7 +1778,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprRange {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         start: (node.start).map(|it| Box::new(f.fold_expr(*it))),
         limits: f.fold_range_limits(node.limits),
         end: (node.end).map(|it| Box::new(f.fold_expr(*it))),
@@ -1788,7 +1791,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprRawAddr {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         and_token: node.and_token,
         raw: node.raw,
         mutability: f.fold_pointer_mutability(node.mutability),
@@ -1805,7 +1808,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprReference {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         and_token: node.and_token,
         mutability: node.mutability,
         expr: Box::new(f.fold_expr(*node.expr)),
@@ -1818,7 +1821,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprRepeat {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         bracket_token: node.bracket_token,
         expr: Box::new(f.fold_expr(*node.expr)),
         semi_token: node.semi_token,
@@ -1832,7 +1835,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprReturn {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         return_token: node.return_token,
         expr: (node.expr).map(|it| Box::new(f.fold_expr(*it))),
     }
@@ -1844,7 +1847,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprStruct {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         qself: (node.qself).map(|it| f.fold_qself(it)),
         path: f.fold_path(node.path),
         brace_token: node.brace_token,
@@ -1860,7 +1863,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprTry {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         expr: Box::new(f.fold_expr(*node.expr)),
         question_token: node.question_token,
     }
@@ -1875,7 +1878,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprTryBlock {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         try_token: node.try_token,
         block: f.fold_block(node.block),
     }
@@ -1887,7 +1890,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprTuple {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         paren_token: node.paren_token,
         elems: crate::punctuated::fold(node.elems, f, F::fold_expr),
     }
@@ -1899,7 +1902,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprUnary {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         op: f.fold_un_op(node.op),
         expr: Box::new(f.fold_expr(*node.expr)),
     }
@@ -1911,7 +1914,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprUnsafe {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         unsafe_token: node.unsafe_token,
         block: f.fold_block(node.block),
     }
@@ -1923,7 +1926,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprWhile {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         label: (node.label).map(|it| f.fold_label(it)),
         while_token: node.while_token,
         cond: Box::new(f.fold_expr(*node.cond)),
@@ -1937,7 +1940,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ExprYield {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         yield_token: node.yield_token,
         expr: (node.expr).map(|it| Box::new(f.fold_expr(*it))),
     }
@@ -1949,7 +1952,7 @@ where
     F: Fold + ?Sized,
 {
     crate::Field {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         mutability: f.fold_field_mutability(node.mutability),
         ident: (node.ident).map(|it| f.fold_ident(it)),
@@ -1977,7 +1980,7 @@ where
     F: Fold + ?Sized,
 {
     crate::FieldPat {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         member: f.fold_member(node.member),
         colon_token: node.colon_token,
         pat: Box::new(f.fold_pat(*node.pat)),
@@ -1990,7 +1993,7 @@ where
     F: Fold + ?Sized,
 {
     crate::FieldValue {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         member: f.fold_member(node.member),
         colon_token: node.colon_token,
         expr: f.fold_expr(node.expr),
@@ -2045,7 +2048,7 @@ where
 {
     crate::File {
         shebang: node.shebang,
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         items: fold_vec(node.items, f, F::fold_item),
     }
 }
@@ -2098,7 +2101,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ForeignItemFn {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         sig: f.fold_signature(node.sig),
         semi_token: node.semi_token,
@@ -2114,7 +2117,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ForeignItemMacro {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         mac: f.fold_macro(node.mac),
         semi_token: node.semi_token,
     }
@@ -2129,7 +2132,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ForeignItemStatic {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         static_token: node.static_token,
         mutability: f.fold_static_mutability(node.mutability),
@@ -2149,7 +2152,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ForeignItemType {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         type_token: node.type_token,
         ident: f.fold_ident(node.ident),
@@ -2259,7 +2262,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ImplItemConst {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         defaultness: node.defaultness,
         const_token: node.const_token,
@@ -2279,7 +2282,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ImplItemFn {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         defaultness: node.defaultness,
         sig: f.fold_signature(node.sig),
@@ -2296,7 +2299,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ImplItemMacro {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         mac: f.fold_macro(node.mac),
         semi_token: node.semi_token,
     }
@@ -2311,7 +2314,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ImplItemType {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         defaultness: node.defaultness,
         type_token: node.type_token,
@@ -2394,7 +2397,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ItemConst {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         const_token: node.const_token,
         ident: f.fold_ident(node.ident),
@@ -2413,7 +2416,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ItemEnum {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         enum_token: node.enum_token,
         ident: f.fold_ident(node.ident),
@@ -2432,7 +2435,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ItemExternCrate {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         extern_token: node.extern_token,
         crate_token: node.crate_token,
@@ -2448,7 +2451,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ItemFn {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         sig: f.fold_signature(node.sig),
         block: Box::new(f.fold_block(*node.block)),
@@ -2464,7 +2467,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ItemForeignMod {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         unsafety: node.unsafety,
         abi: f.fold_abi(node.abi),
         brace_token: node.brace_token,
@@ -2478,7 +2481,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ItemImpl {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         defaultness: node.defaultness,
         unsafety: node.unsafety,
         impl_token: node.impl_token,
@@ -2496,7 +2499,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ItemMacro {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         ident: (node.ident).map(|it| f.fold_ident(it)),
         mac: f.fold_macro(node.mac),
         semi_token: node.semi_token,
@@ -2509,7 +2512,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ItemMod {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         unsafety: node.unsafety,
         mod_token: node.mod_token,
@@ -2525,7 +2528,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ItemStatic {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         static_token: node.static_token,
         mutability: f.fold_static_mutability(node.mutability),
@@ -2544,7 +2547,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ItemStruct {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         struct_token: node.struct_token,
         ident: f.fold_ident(node.ident),
@@ -2560,7 +2563,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ItemTrait {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         unsafety: node.unsafety,
         auto_token: node.auto_token,
@@ -2588,7 +2591,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ItemTraitAlias {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         trait_token: node.trait_token,
         ident: f.fold_ident(node.ident),
@@ -2605,7 +2608,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ItemType {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         type_token: node.type_token,
         ident: f.fold_ident(node.ident),
@@ -2622,7 +2625,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ItemUnion {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         union_token: node.union_token,
         ident: f.fold_ident(node.ident),
@@ -2637,7 +2640,7 @@ where
     F: Fold + ?Sized,
 {
     crate::ItemUse {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         vis: f.fold_visibility(node.vis),
         use_token: node.use_token,
         leading_colon: node.leading_colon,
@@ -2675,7 +2678,7 @@ where
     F: Fold + ?Sized,
 {
     crate::LifetimeParam {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         lifetime: f.fold_lifetime(node.lifetime),
         colon_token: node.colon_token,
         bounds: crate::punctuated::fold(node.bounds, f, F::fold_lifetime),
@@ -2778,7 +2781,7 @@ where
     F: Fold + ?Sized,
 {
     crate::Local {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         let_token: node.let_token,
         pat: f.fold_pat(node.pat),
         init: (node.init).map(|it| f.fold_local_init(it)),
@@ -2941,7 +2944,7 @@ where
     F: Fold + ?Sized,
 {
     crate::PatIdent {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         by_ref: node.by_ref,
         mutability: node.mutability,
         ident: f.fold_ident(node.ident),
@@ -2955,7 +2958,7 @@ where
     F: Fold + ?Sized,
 {
     crate::PatOr {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         leading_vert: node.leading_vert,
         cases: crate::punctuated::fold(node.cases, f, F::fold_pat),
     }
@@ -2967,7 +2970,7 @@ where
     F: Fold + ?Sized,
 {
     crate::PatParen {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         paren_token: node.paren_token,
         pat: Box::new(f.fold_pat(*node.pat)),
     }
@@ -2979,7 +2982,7 @@ where
     F: Fold + ?Sized,
 {
     crate::PatReference {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         and_token: node.and_token,
         mutability: node.mutability,
         pat: Box::new(f.fold_pat(*node.pat)),
@@ -2992,7 +2995,7 @@ where
     F: Fold + ?Sized,
 {
     crate::PatRest {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         dot2_token: node.dot2_token,
     }
 }
@@ -3003,7 +3006,7 @@ where
     F: Fold + ?Sized,
 {
     crate::PatSlice {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         bracket_token: node.bracket_token,
         elems: crate::punctuated::fold(node.elems, f, F::fold_pat),
     }
@@ -3015,7 +3018,7 @@ where
     F: Fold + ?Sized,
 {
     crate::PatStruct {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         qself: (node.qself).map(|it| f.fold_qself(it)),
         path: f.fold_path(node.path),
         brace_token: node.brace_token,
@@ -3030,7 +3033,7 @@ where
     F: Fold + ?Sized,
 {
     crate::PatTuple {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         paren_token: node.paren_token,
         elems: crate::punctuated::fold(node.elems, f, F::fold_pat),
     }
@@ -3045,7 +3048,7 @@ where
     F: Fold + ?Sized,
 {
     crate::PatTupleStruct {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         qself: (node.qself).map(|it| f.fold_qself(it)),
         path: f.fold_path(node.path),
         paren_token: node.paren_token,
@@ -3059,7 +3062,7 @@ where
     F: Fold + ?Sized,
 {
     crate::PatType {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         pat: Box::new(f.fold_pat(*node.pat)),
         colon_token: node.colon_token,
         ty: Box::new(f.fold_type(*node.ty)),
@@ -3072,7 +3075,7 @@ where
     F: Fold + ?Sized,
 {
     crate::PatWild {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         underscore_token: node.underscore_token,
     }
 }
@@ -3220,7 +3223,7 @@ where
     F: Fold + ?Sized,
 {
     crate::Receiver {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         reference: (node.reference)
             .map(|it| ((it).0, ((it).1).map(|it| f.fold_lifetime(it)))),
         mutability: node.mutability,
@@ -3308,7 +3311,7 @@ where
     F: Fold + ?Sized,
 {
     crate::StmtMacro {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         mac: f.fold_macro(node.mac),
         semi_token: node.semi_token,
     }
@@ -3374,7 +3377,7 @@ where
     F: Fold + ?Sized,
 {
     crate::TraitItemConst {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         const_token: node.const_token,
         ident: f.fold_ident(node.ident),
         generics: f.fold_generics(node.generics),
@@ -3391,7 +3394,7 @@ where
     F: Fold + ?Sized,
 {
     crate::TraitItemFn {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         sig: f.fold_signature(node.sig),
         default: (node.default).map(|it| f.fold_block(it)),
         semi_token: node.semi_token,
@@ -3407,7 +3410,7 @@ where
     F: Fold + ?Sized,
 {
     crate::TraitItemMacro {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         mac: f.fold_macro(node.mac),
         semi_token: node.semi_token,
     }
@@ -3422,7 +3425,7 @@ where
     F: Fold + ?Sized,
 {
     crate::TraitItemType {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         type_token: node.type_token,
         ident: f.fold_ident(node.ident),
         generics: f.fold_generics(node.generics),
@@ -3572,7 +3575,7 @@ where
     F: Fold + ?Sized,
 {
     crate::TypeParam {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         ident: f.fold_ident(node.ident),
         colon_token: node.colon_token,
         bounds: crate::punctuated::fold(node.bounds, f, F::fold_type_param_bound),
@@ -3791,7 +3794,7 @@ where
     F: Fold + ?Sized,
 {
     crate::Variadic {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         pat: (node.pat).map(|it| (Box::new(f.fold_pat(*(it).0)), (it).1)),
         dots: node.dots,
         comma: node.comma,
@@ -3804,7 +3807,7 @@ where
     F: Fold + ?Sized,
 {
     crate::Variant {
-        attrs: fold_vec(node.attrs, f, F::fold_attribute),
+        attrs: f.fold_attributes(node.attrs),
         ident: f.fold_ident(node.ident),
         fields: f.fold_fields(node.fields),
         discriminant: (node.discriminant).map(|it| ((it).0, f.fold_expr((it).1))),
diff --git a/src/gen/visit_mut.rs b/src/gen/visit_mut.rs
index c7458b1312..01e6419b05 100644
--- a/src/gen/visit_mut.rs
+++ b/src/gen/visit_mut.rs
@@ -65,6 +65,11 @@ pub trait VisitMut {
     fn visit_attribute_mut(&mut self, i: &mut crate::Attribute) {
         visit_attribute_mut(self, i);
     }
+    fn visit_attributes_mut(&mut self, i: &mut Vec<crate::Attribute>) {
+        for attr in i {
+            self.visit_attribute_mut(attr);
+        }
+    }
     #[cfg(any(feature = "derive", feature = "full"))]
     #[cfg_attr(docsrs, doc(cfg(any(feature = "derive", feature = "full"))))]
     fn visit_bare_fn_arg_mut(&mut self, i: &mut crate::BareFnArg) {
@@ -979,9 +984,7 @@ pub fn visit_arm_mut<V>(v: &mut V, node: &mut crate::Arm)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_pat_mut(&mut node.pat);
     if let Some(it) = &mut node.guard {
         skip!((it).0);
@@ -1047,9 +1050,7 @@ pub fn visit_bare_fn_arg_mut<V>(v: &mut V, node: &mut crate::BareFnArg)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     if let Some(it) = &mut node.name {
         v.visit_ident_mut(&mut (it).0);
         skip!((it).1);
@@ -1062,9 +1063,7 @@ pub fn visit_bare_variadic_mut<V>(v: &mut V, node: &mut crate::BareVariadic)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     if let Some(it) = &mut node.name {
         v.visit_ident_mut(&mut (it).0);
         skip!((it).1);
@@ -1211,9 +1210,7 @@ pub fn visit_const_param_mut<V>(v: &mut V, node: &mut crate::ConstParam)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.const_token);
     v.visit_ident_mut(&mut node.ident);
     skip!(node.colon_token);
@@ -1295,9 +1292,7 @@ pub fn visit_derive_input_mut<V>(v: &mut V, node: &mut crate::DeriveInput)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     v.visit_ident_mut(&mut node.ident);
     v.visit_generics_mut(&mut node.generics);
@@ -1438,9 +1433,7 @@ pub fn visit_expr_array_mut<V>(v: &mut V, node: &mut crate::ExprArray)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.bracket_token);
     for mut el in Punctuated::pairs_mut(&mut node.elems) {
         let it = el.value_mut();
@@ -1453,9 +1446,7 @@ pub fn visit_expr_assign_mut<V>(v: &mut V, node: &mut crate::ExprAssign)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_expr_mut(&mut *node.left);
     skip!(node.eq_token);
     v.visit_expr_mut(&mut *node.right);
@@ -1466,9 +1457,7 @@ pub fn visit_expr_async_mut<V>(v: &mut V, node: &mut crate::ExprAsync)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.async_token);
     skip!(node.capture);
     v.visit_block_mut(&mut node.block);
@@ -1479,9 +1468,7 @@ pub fn visit_expr_await_mut<V>(v: &mut V, node: &mut crate::ExprAwait)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_expr_mut(&mut *node.base);
     skip!(node.dot_token);
     skip!(node.await_token);
@@ -1492,9 +1479,7 @@ pub fn visit_expr_binary_mut<V>(v: &mut V, node: &mut crate::ExprBinary)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_expr_mut(&mut *node.left);
     v.visit_bin_op_mut(&mut node.op);
     v.visit_expr_mut(&mut *node.right);
@@ -1505,9 +1490,7 @@ pub fn visit_expr_block_mut<V>(v: &mut V, node: &mut crate::ExprBlock)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     if let Some(it) = &mut node.label {
         v.visit_label_mut(it);
     }
@@ -1519,9 +1502,7 @@ pub fn visit_expr_break_mut<V>(v: &mut V, node: &mut crate::ExprBreak)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.break_token);
     if let Some(it) = &mut node.label {
         v.visit_lifetime_mut(it);
@@ -1536,9 +1517,7 @@ pub fn visit_expr_call_mut<V>(v: &mut V, node: &mut crate::ExprCall)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_expr_mut(&mut *node.func);
     skip!(node.paren_token);
     for mut el in Punctuated::pairs_mut(&mut node.args) {
@@ -1552,9 +1531,7 @@ pub fn visit_expr_cast_mut<V>(v: &mut V, node: &mut crate::ExprCast)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_expr_mut(&mut *node.expr);
     skip!(node.as_token);
     v.visit_type_mut(&mut *node.ty);
@@ -1565,9 +1542,7 @@ pub fn visit_expr_closure_mut<V>(v: &mut V, node: &mut crate::ExprClosure)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     if let Some(it) = &mut node.lifetimes {
         v.visit_bound_lifetimes_mut(it);
     }
@@ -1590,9 +1565,7 @@ pub fn visit_expr_const_mut<V>(v: &mut V, node: &mut crate::ExprConst)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.const_token);
     v.visit_block_mut(&mut node.block);
 }
@@ -1602,9 +1575,7 @@ pub fn visit_expr_continue_mut<V>(v: &mut V, node: &mut crate::ExprContinue)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.continue_token);
     if let Some(it) = &mut node.label {
         v.visit_lifetime_mut(it);
@@ -1616,9 +1587,7 @@ pub fn visit_expr_field_mut<V>(v: &mut V, node: &mut crate::ExprField)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_expr_mut(&mut *node.base);
     skip!(node.dot_token);
     v.visit_member_mut(&mut node.member);
@@ -1629,9 +1598,7 @@ pub fn visit_expr_for_loop_mut<V>(v: &mut V, node: &mut crate::ExprForLoop)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     if let Some(it) = &mut node.label {
         v.visit_label_mut(it);
     }
@@ -1647,9 +1614,7 @@ pub fn visit_expr_group_mut<V>(v: &mut V, node: &mut crate::ExprGroup)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.group_token);
     v.visit_expr_mut(&mut *node.expr);
 }
@@ -1659,9 +1624,7 @@ pub fn visit_expr_if_mut<V>(v: &mut V, node: &mut crate::ExprIf)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.if_token);
     v.visit_expr_mut(&mut *node.cond);
     v.visit_block_mut(&mut node.then_branch);
@@ -1676,9 +1639,7 @@ pub fn visit_expr_index_mut<V>(v: &mut V, node: &mut crate::ExprIndex)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_expr_mut(&mut *node.expr);
     skip!(node.bracket_token);
     v.visit_expr_mut(&mut *node.index);
@@ -1689,9 +1650,7 @@ pub fn visit_expr_infer_mut<V>(v: &mut V, node: &mut crate::ExprInfer)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.underscore_token);
 }
 #[cfg(feature = "full")]
@@ -1700,9 +1659,7 @@ pub fn visit_expr_let_mut<V>(v: &mut V, node: &mut crate::ExprLet)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.let_token);
     v.visit_pat_mut(&mut *node.pat);
     skip!(node.eq_token);
@@ -1714,9 +1671,7 @@ pub fn visit_expr_lit_mut<V>(v: &mut V, node: &mut crate::ExprLit)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_lit_mut(&mut node.lit);
 }
 #[cfg(feature = "full")]
@@ -1725,9 +1680,7 @@ pub fn visit_expr_loop_mut<V>(v: &mut V, node: &mut crate::ExprLoop)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     if let Some(it) = &mut node.label {
         v.visit_label_mut(it);
     }
@@ -1740,9 +1693,7 @@ pub fn visit_expr_macro_mut<V>(v: &mut V, node: &mut crate::ExprMacro)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_macro_mut(&mut node.mac);
 }
 #[cfg(feature = "full")]
@@ -1751,9 +1702,7 @@ pub fn visit_expr_match_mut<V>(v: &mut V, node: &mut crate::ExprMatch)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.match_token);
     v.visit_expr_mut(&mut *node.expr);
     skip!(node.brace_token);
@@ -1767,9 +1716,7 @@ pub fn visit_expr_method_call_mut<V>(v: &mut V, node: &mut crate::ExprMethodCall
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_expr_mut(&mut *node.receiver);
     skip!(node.dot_token);
     v.visit_ident_mut(&mut node.method);
@@ -1788,9 +1735,7 @@ pub fn visit_expr_paren_mut<V>(v: &mut V, node: &mut crate::ExprParen)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.paren_token);
     v.visit_expr_mut(&mut *node.expr);
 }
@@ -1800,9 +1745,7 @@ pub fn visit_expr_path_mut<V>(v: &mut V, node: &mut crate::ExprPath)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     if let Some(it) = &mut node.qself {
         v.visit_qself_mut(it);
     }
@@ -1814,9 +1757,7 @@ pub fn visit_expr_range_mut<V>(v: &mut V, node: &mut crate::ExprRange)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     if let Some(it) = &mut node.start {
         v.visit_expr_mut(&mut **it);
     }
@@ -1831,9 +1772,7 @@ pub fn visit_expr_raw_addr_mut<V>(v: &mut V, node: &mut crate::ExprRawAddr)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.and_token);
     skip!(node.raw);
     v.visit_pointer_mutability_mut(&mut node.mutability);
@@ -1845,9 +1784,7 @@ pub fn visit_expr_reference_mut<V>(v: &mut V, node: &mut crate::ExprReference)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.and_token);
     skip!(node.mutability);
     v.visit_expr_mut(&mut *node.expr);
@@ -1858,9 +1795,7 @@ pub fn visit_expr_repeat_mut<V>(v: &mut V, node: &mut crate::ExprRepeat)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.bracket_token);
     v.visit_expr_mut(&mut *node.expr);
     skip!(node.semi_token);
@@ -1872,9 +1807,7 @@ pub fn visit_expr_return_mut<V>(v: &mut V, node: &mut crate::ExprReturn)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.return_token);
     if let Some(it) = &mut node.expr {
         v.visit_expr_mut(&mut **it);
@@ -1886,9 +1819,7 @@ pub fn visit_expr_struct_mut<V>(v: &mut V, node: &mut crate::ExprStruct)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     if let Some(it) = &mut node.qself {
         v.visit_qself_mut(it);
     }
@@ -1909,9 +1840,7 @@ pub fn visit_expr_try_mut<V>(v: &mut V, node: &mut crate::ExprTry)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_expr_mut(&mut *node.expr);
     skip!(node.question_token);
 }
@@ -1921,9 +1850,7 @@ pub fn visit_expr_try_block_mut<V>(v: &mut V, node: &mut crate::ExprTryBlock)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.try_token);
     v.visit_block_mut(&mut node.block);
 }
@@ -1933,9 +1860,7 @@ pub fn visit_expr_tuple_mut<V>(v: &mut V, node: &mut crate::ExprTuple)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.paren_token);
     for mut el in Punctuated::pairs_mut(&mut node.elems) {
         let it = el.value_mut();
@@ -1948,9 +1873,7 @@ pub fn visit_expr_unary_mut<V>(v: &mut V, node: &mut crate::ExprUnary)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_un_op_mut(&mut node.op);
     v.visit_expr_mut(&mut *node.expr);
 }
@@ -1960,9 +1883,7 @@ pub fn visit_expr_unsafe_mut<V>(v: &mut V, node: &mut crate::ExprUnsafe)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.unsafe_token);
     v.visit_block_mut(&mut node.block);
 }
@@ -1972,9 +1893,7 @@ pub fn visit_expr_while_mut<V>(v: &mut V, node: &mut crate::ExprWhile)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     if let Some(it) = &mut node.label {
         v.visit_label_mut(it);
     }
@@ -1988,9 +1907,7 @@ pub fn visit_expr_yield_mut<V>(v: &mut V, node: &mut crate::ExprYield)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.yield_token);
     if let Some(it) = &mut node.expr {
         v.visit_expr_mut(&mut **it);
@@ -2002,9 +1919,7 @@ pub fn visit_field_mut<V>(v: &mut V, node: &mut crate::Field)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     v.visit_field_mutability_mut(&mut node.mutability);
     if let Some(it) = &mut node.ident {
@@ -2029,9 +1944,7 @@ pub fn visit_field_pat_mut<V>(v: &mut V, node: &mut crate::FieldPat)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_member_mut(&mut node.member);
     skip!(node.colon_token);
     v.visit_pat_mut(&mut *node.pat);
@@ -2042,9 +1955,7 @@ pub fn visit_field_value_mut<V>(v: &mut V, node: &mut crate::FieldValue)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_member_mut(&mut node.member);
     skip!(node.colon_token);
     v.visit_expr_mut(&mut node.expr);
@@ -2096,9 +2007,7 @@ where
     V: VisitMut + ?Sized,
 {
     skip!(node.shebang);
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     for it in &mut node.items {
         v.visit_item_mut(it);
     }
@@ -2148,9 +2057,7 @@ pub fn visit_foreign_item_fn_mut<V>(v: &mut V, node: &mut crate::ForeignItemFn)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     v.visit_signature_mut(&mut node.sig);
     skip!(node.semi_token);
@@ -2161,9 +2068,7 @@ pub fn visit_foreign_item_macro_mut<V>(v: &mut V, node: &mut crate::ForeignItemM
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_macro_mut(&mut node.mac);
     skip!(node.semi_token);
 }
@@ -2173,9 +2078,7 @@ pub fn visit_foreign_item_static_mut<V>(v: &mut V, node: &mut crate::ForeignItem
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     skip!(node.static_token);
     v.visit_static_mutability_mut(&mut node.mutability);
@@ -2190,9 +2093,7 @@ pub fn visit_foreign_item_type_mut<V>(v: &mut V, node: &mut crate::ForeignItemTy
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     skip!(node.type_token);
     v.visit_ident_mut(&mut node.ident);
@@ -2298,9 +2199,7 @@ pub fn visit_impl_item_const_mut<V>(v: &mut V, node: &mut crate::ImplItemConst)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     skip!(node.defaultness);
     skip!(node.const_token);
@@ -2318,9 +2217,7 @@ pub fn visit_impl_item_fn_mut<V>(v: &mut V, node: &mut crate::ImplItemFn)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     skip!(node.defaultness);
     v.visit_signature_mut(&mut node.sig);
@@ -2332,9 +2229,7 @@ pub fn visit_impl_item_macro_mut<V>(v: &mut V, node: &mut crate::ImplItemMacro)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_macro_mut(&mut node.mac);
     skip!(node.semi_token);
 }
@@ -2344,9 +2239,7 @@ pub fn visit_impl_item_type_mut<V>(v: &mut V, node: &mut crate::ImplItemType)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     skip!(node.defaultness);
     skip!(node.type_token);
@@ -2436,9 +2329,7 @@ pub fn visit_item_const_mut<V>(v: &mut V, node: &mut crate::ItemConst)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     skip!(node.const_token);
     v.visit_ident_mut(&mut node.ident);
@@ -2455,9 +2346,7 @@ pub fn visit_item_enum_mut<V>(v: &mut V, node: &mut crate::ItemEnum)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     skip!(node.enum_token);
     v.visit_ident_mut(&mut node.ident);
@@ -2474,9 +2363,7 @@ pub fn visit_item_extern_crate_mut<V>(v: &mut V, node: &mut crate::ItemExternCra
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     skip!(node.extern_token);
     skip!(node.crate_token);
@@ -2493,9 +2380,7 @@ pub fn visit_item_fn_mut<V>(v: &mut V, node: &mut crate::ItemFn)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     v.visit_signature_mut(&mut node.sig);
     v.visit_block_mut(&mut *node.block);
@@ -2506,9 +2391,7 @@ pub fn visit_item_foreign_mod_mut<V>(v: &mut V, node: &mut crate::ItemForeignMod
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.unsafety);
     v.visit_abi_mut(&mut node.abi);
     skip!(node.brace_token);
@@ -2522,9 +2405,7 @@ pub fn visit_item_impl_mut<V>(v: &mut V, node: &mut crate::ItemImpl)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.defaultness);
     skip!(node.unsafety);
     skip!(node.impl_token);
@@ -2546,9 +2427,7 @@ pub fn visit_item_macro_mut<V>(v: &mut V, node: &mut crate::ItemMacro)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     if let Some(it) = &mut node.ident {
         v.visit_ident_mut(it);
     }
@@ -2561,9 +2440,7 @@ pub fn visit_item_mod_mut<V>(v: &mut V, node: &mut crate::ItemMod)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     skip!(node.unsafety);
     skip!(node.mod_token);
@@ -2582,9 +2459,7 @@ pub fn visit_item_static_mut<V>(v: &mut V, node: &mut crate::ItemStatic)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     skip!(node.static_token);
     v.visit_static_mutability_mut(&mut node.mutability);
@@ -2601,9 +2476,7 @@ pub fn visit_item_struct_mut<V>(v: &mut V, node: &mut crate::ItemStruct)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     skip!(node.struct_token);
     v.visit_ident_mut(&mut node.ident);
@@ -2617,9 +2490,7 @@ pub fn visit_item_trait_mut<V>(v: &mut V, node: &mut crate::ItemTrait)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     skip!(node.unsafety);
     skip!(node.auto_token);
@@ -2645,9 +2516,7 @@ pub fn visit_item_trait_alias_mut<V>(v: &mut V, node: &mut crate::ItemTraitAlias
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     skip!(node.trait_token);
     v.visit_ident_mut(&mut node.ident);
@@ -2665,9 +2534,7 @@ pub fn visit_item_type_mut<V>(v: &mut V, node: &mut crate::ItemType)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     skip!(node.type_token);
     v.visit_ident_mut(&mut node.ident);
@@ -2682,9 +2549,7 @@ pub fn visit_item_union_mut<V>(v: &mut V, node: &mut crate::ItemUnion)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     skip!(node.union_token);
     v.visit_ident_mut(&mut node.ident);
@@ -2697,9 +2562,7 @@ pub fn visit_item_use_mut<V>(v: &mut V, node: &mut crate::ItemUse)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_visibility_mut(&mut node.vis);
     skip!(node.use_token);
     skip!(node.leading_colon);
@@ -2728,9 +2591,7 @@ pub fn visit_lifetime_param_mut<V>(v: &mut V, node: &mut crate::LifetimeParam)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_lifetime_mut(&mut node.lifetime);
     skip!(node.colon_token);
     for mut el in Punctuated::pairs_mut(&mut node.bounds) {
@@ -2813,9 +2674,7 @@ pub fn visit_local_mut<V>(v: &mut V, node: &mut crate::Local)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.let_token);
     v.visit_pat_mut(&mut node.pat);
     if let Some(it) = &mut node.init {
@@ -3000,9 +2859,7 @@ pub fn visit_pat_ident_mut<V>(v: &mut V, node: &mut crate::PatIdent)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.by_ref);
     skip!(node.mutability);
     v.visit_ident_mut(&mut node.ident);
@@ -3017,9 +2874,7 @@ pub fn visit_pat_or_mut<V>(v: &mut V, node: &mut crate::PatOr)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.leading_vert);
     for mut el in Punctuated::pairs_mut(&mut node.cases) {
         let it = el.value_mut();
@@ -3032,9 +2887,7 @@ pub fn visit_pat_paren_mut<V>(v: &mut V, node: &mut crate::PatParen)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.paren_token);
     v.visit_pat_mut(&mut *node.pat);
 }
@@ -3044,9 +2897,7 @@ pub fn visit_pat_reference_mut<V>(v: &mut V, node: &mut crate::PatReference)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.and_token);
     skip!(node.mutability);
     v.visit_pat_mut(&mut *node.pat);
@@ -3057,9 +2908,7 @@ pub fn visit_pat_rest_mut<V>(v: &mut V, node: &mut crate::PatRest)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.dot2_token);
 }
 #[cfg(feature = "full")]
@@ -3068,9 +2917,7 @@ pub fn visit_pat_slice_mut<V>(v: &mut V, node: &mut crate::PatSlice)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.bracket_token);
     for mut el in Punctuated::pairs_mut(&mut node.elems) {
         let it = el.value_mut();
@@ -3083,9 +2930,7 @@ pub fn visit_pat_struct_mut<V>(v: &mut V, node: &mut crate::PatStruct)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     if let Some(it) = &mut node.qself {
         v.visit_qself_mut(it);
     }
@@ -3105,9 +2950,7 @@ pub fn visit_pat_tuple_mut<V>(v: &mut V, node: &mut crate::PatTuple)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.paren_token);
     for mut el in Punctuated::pairs_mut(&mut node.elems) {
         let it = el.value_mut();
@@ -3120,9 +2963,7 @@ pub fn visit_pat_tuple_struct_mut<V>(v: &mut V, node: &mut crate::PatTupleStruct
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     if let Some(it) = &mut node.qself {
         v.visit_qself_mut(it);
     }
@@ -3139,9 +2980,7 @@ pub fn visit_pat_type_mut<V>(v: &mut V, node: &mut crate::PatType)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_pat_mut(&mut *node.pat);
     skip!(node.colon_token);
     v.visit_type_mut(&mut *node.ty);
@@ -3152,9 +2991,7 @@ pub fn visit_pat_wild_mut<V>(v: &mut V, node: &mut crate::PatWild)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.underscore_token);
 }
 #[cfg(any(feature = "derive", feature = "full"))]
@@ -3285,9 +3122,7 @@ pub fn visit_receiver_mut<V>(v: &mut V, node: &mut crate::Receiver)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     if let Some(it) = &mut node.reference {
         skip!((it).0);
         if let Some(it) = &mut (it).1 {
@@ -3383,9 +3218,7 @@ pub fn visit_stmt_macro_mut<V>(v: &mut V, node: &mut crate::StmtMacro)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_macro_mut(&mut node.mac);
     skip!(node.semi_token);
 }
@@ -3445,9 +3278,7 @@ pub fn visit_trait_item_const_mut<V>(v: &mut V, node: &mut crate::TraitItemConst
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.const_token);
     v.visit_ident_mut(&mut node.ident);
     v.visit_generics_mut(&mut node.generics);
@@ -3465,9 +3296,7 @@ pub fn visit_trait_item_fn_mut<V>(v: &mut V, node: &mut crate::TraitItemFn)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_signature_mut(&mut node.sig);
     if let Some(it) = &mut node.default {
         v.visit_block_mut(it);
@@ -3480,9 +3309,7 @@ pub fn visit_trait_item_macro_mut<V>(v: &mut V, node: &mut crate::TraitItemMacro
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_macro_mut(&mut node.mac);
     skip!(node.semi_token);
 }
@@ -3492,9 +3319,7 @@ pub fn visit_trait_item_type_mut<V>(v: &mut V, node: &mut crate::TraitItemType)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     skip!(node.type_token);
     v.visit_ident_mut(&mut node.ident);
     v.visit_generics_mut(&mut node.generics);
@@ -3649,9 +3474,7 @@ pub fn visit_type_param_mut<V>(v: &mut V, node: &mut crate::TypeParam)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_ident_mut(&mut node.ident);
     skip!(node.colon_token);
     for mut el in Punctuated::pairs_mut(&mut node.bounds) {
@@ -3857,9 +3680,7 @@ pub fn visit_variadic_mut<V>(v: &mut V, node: &mut crate::Variadic)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     if let Some(it) = &mut node.pat {
         v.visit_pat_mut(&mut *(it).0);
         skip!((it).1);
@@ -3873,9 +3694,7 @@ pub fn visit_variant_mut<V>(v: &mut V, node: &mut crate::Variant)
 where
     V: VisitMut + ?Sized,
 {
-    for it in &mut node.attrs {
-        v.visit_attribute_mut(it);
-    }
+    v.visit_attributes_mut(&mut node.attrs);
     v.visit_ident_mut(&mut node.ident);
     v.visit_fields_mut(&mut node.fields);
     if let Some(it) = &mut node.discriminant {