import "mixin_library.dart" show Mixin;

class C<V> extends Super<V> with Mixin<V> {}

class D extends Super with Mixin {}

class Super<S> {
  f() => 3;
  foo() => 40;
}

class C2<V> = Super<V> with Mixin<V>;
class D2 = Super with Mixin;
main() {}