| library test; | |
| abstract class A { | |
| int? get x; | |
| } | |
| mixin class B { | |
| int? get x => 0; | |
| } | |
| class C extends A { | |
| var x; | |
| } | |
| class D extends B { | |
| var x; | |
| } | |
| class E implements A { | |
| var x; | |
| } | |
| class F implements B { | |
| var x; | |
| } | |
| class G extends Object with B { | |
| var x; | |
| } | |
| main() {} |