| // Copyright (c) 2021, 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. |
| |
| class Super { |
| num field1 = 0; |
| num field2 = 0; |
| num field3 = 0; |
| |
| covariant num field4 = 0; |
| covariant int field5 = 0; |
| } |
| |
| class Interface { |
| covariant int field1 = 0; |
| covariant int field2 = 0; |
| |
| int field4 = 0; |
| int field5 = 0; |
| } |
| |
| class Class extends Super implements Interface { |
| abstract int field1; |
| abstract String field2; |
| abstract int field3; |
| |
| abstract int field4; |
| abstract num field5; |
| } |
| |
| main() {} |