| // @dart = 2.9 |
| class Class extends Superclass with Mixin {} |
| |
| class Mixin { |
| String method1(num argument1, num argument2) => "Mixin"; |
| String method2(covariant int argument1, num argument2) => "Mixin"; |
| String method3(num argument1, num argument2) => "Mixin"; |
| String method4(covariant int argument1, int argument2) => "Mixin"; |
| } |
| |
| class Superclass { |
| String method1(num argument1, num argument2) => "Superclass"; |
| String method2(num argument1, num argument2) => "Superclass"; |
| String method3(num argument1, covariant int argument2) => "Superclass"; |
| String method4(num argument1, covariant num argument2) => "Superclass"; |
| } |
| |
| main() {} |
| void expect(expected, actual) {} |
| void throws(void Function() f) {} |