| // Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file |
| // 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. |
| |
| /*library: nnbd=true*/ |
| |
| import 'opt_out.dart'; |
| |
| /*class: Interface:Interface,Object*/ |
| abstract class Interface { |
| /*member: Interface.method:int! Function(int?)!*/ |
| int method(int? i) => i ?? 0; |
| } |
| |
| /*class: Class:Class,Interface,LegacyClass,Object*/ |
| abstract class Class extends LegacyClass implements Interface { |
| /*member: Class.method:int! Function(int?)!*/ |
| } |
