| /* |
| * Copyright (c) 2011, 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. |
| */ |
| /** |
| * @assertion It is a compile error if an instance method m1 overrides an |
| * instance member m2 and the type of m1 is not a subtype of the type of m2. |
| * @description Checks that a compile error is produced if the return type of |
| * m1 is not mutually assignable with the return type of m2 and the latter |
| * isn't void either. |
| * @compile-error |
| * @author iefremov |
| */ |
| |
| class A { |
| int foo(var x) {} |
| } |
| |
| class C extends A { |
| String foo(var x) { |
| return x.toString(); |
| } |
| } |
| |
| main() { |
| new A().foo(2); |
| new C().foo(1); |
| } |