| Index: lib/compiler/implementation/tree/nodes.dart
|
| diff --git a/lib/compiler/implementation/tree/nodes.dart b/lib/compiler/implementation/tree/nodes.dart
|
| index d8a7ab1ba59b6bb05e0c4a30e53c2fe645c5d66e..245025178c7cfef3577817f5880c7ca5c860a2c6 100644
|
| --- a/lib/compiler/implementation/tree/nodes.dart
|
| +++ b/lib/compiler/implementation/tree/nodes.dart
|
| @@ -2,7 +2,7 @@
|
| // for details. All rights reserved. Use of this source code is governed by a
|
| // BSD-style license that can be found in the LICENSE file.
|
|
|
| -interface Visitor<R> {
|
| +abstract class Visitor<R> {
|
| R visitBlock(Block node);
|
| R visitBreakStatement(BreakStatement node);
|
| R visitCascade(Cascade node);
|
|
|