Rename fields to avoid repetition
diff --git a/src/gen/fold.rs b/src/gen/fold.rs
index a7438b9..d5ebc75 100644
--- a/src/gen/fold.rs
+++ b/src/gen/fold.rs
@@ -1372,14 +1372,14 @@
 pub fn fold_fields_named<V: Folder + ?Sized>(_visitor: &mut V, _i: FieldsNamed) -> FieldsNamed {
     FieldsNamed {
         brace_token: Brace(tokens_helper(_visitor, &(_i . brace_token).0)),
-        fields: FoldHelper::lift(_i . fields, |it| { _visitor.fold_field(it) }),
+        named: FoldHelper::lift(_i . named, |it| { _visitor.fold_field(it) }),
     }
 }
 
 pub fn fold_fields_unnamed<V: Folder + ?Sized>(_visitor: &mut V, _i: FieldsUnnamed) -> FieldsUnnamed {
     FieldsUnnamed {
         paren_token: Paren(tokens_helper(_visitor, &(_i . paren_token).0)),
-        fields: FoldHelper::lift(_i . fields, |it| { _visitor.fold_field(it) }),
+        unnamed: FoldHelper::lift(_i . unnamed, |it| { _visitor.fold_field(it) }),
     }
 }
 # [ cfg ( feature = "full" ) ]
diff --git a/src/gen/visit.rs b/src/gen/visit.rs
index 5e27de4..eb23394 100644
--- a/src/gen/visit.rs
+++ b/src/gen/visit.rs
@@ -1087,12 +1087,12 @@
 
 pub fn visit_fields_named<'ast, V: Visitor<'ast> + ?Sized>(_visitor: &mut V, _i: &'ast FieldsNamed) {
     tokens_helper(_visitor, &(& _i . brace_token).0);
-    for el in & _i . fields { let it = el.item(); _visitor.visit_field(it) };
+    for el in & _i . named { let it = el.item(); _visitor.visit_field(it) };
 }
 
 pub fn visit_fields_unnamed<'ast, V: Visitor<'ast> + ?Sized>(_visitor: &mut V, _i: &'ast FieldsUnnamed) {
     tokens_helper(_visitor, &(& _i . paren_token).0);
-    for el in & _i . fields { let it = el.item(); _visitor.visit_field(it) };
+    for el in & _i . unnamed { let it = el.item(); _visitor.visit_field(it) };
 }
 # [ cfg ( feature = "full" ) ]
 pub fn visit_file<'ast, V: Visitor<'ast> + ?Sized>(_visitor: &mut V, _i: &'ast File) {
diff --git a/src/gen/visit_mut.rs b/src/gen/visit_mut.rs
index f2431b2..4a38b74 100644
--- a/src/gen/visit_mut.rs
+++ b/src/gen/visit_mut.rs
@@ -1087,12 +1087,12 @@
 
 pub fn visit_fields_named_mut<V: VisitorMut + ?Sized>(_visitor: &mut V, _i: &mut FieldsNamed) {
     tokens_helper(_visitor, &mut (& mut _i . brace_token).0);
-    for mut el in & mut _i . fields { let it = el.item_mut(); _visitor.visit_field_mut(it) };
+    for mut el in & mut _i . named { let it = el.item_mut(); _visitor.visit_field_mut(it) };
 }
 
 pub fn visit_fields_unnamed_mut<V: VisitorMut + ?Sized>(_visitor: &mut V, _i: &mut FieldsUnnamed) {
     tokens_helper(_visitor, &mut (& mut _i . paren_token).0);
-    for mut el in & mut _i . fields { let it = el.item_mut(); _visitor.visit_field_mut(it) };
+    for mut el in & mut _i . unnamed { let it = el.item_mut(); _visitor.visit_field_mut(it) };
 }
 # [ cfg ( feature = "full" ) ]
 pub fn visit_file_mut<V: VisitorMut + ?Sized>(_visitor: &mut V, _i: &mut File) {