| library test; |
| // |
| // Problems in library: |
| // |
| // pkg/front_end/testcases/general/interface_contravariant_from_class.dart:17:16: Error: Can't use implicitly 'out' variable 'T' in an 'in' position in supertype 'B'. |
| // abstract class C<T> extends B<F<T>> implements I<F<T>> {} |
| // ^ |
| // |
| // pkg/front_end/testcases/general/interface_contravariant_from_class.dart:17:16: Error: Can't use implicitly 'out' variable 'T' in an 'in' position in supertype 'I'. |
| // abstract class C<T> extends B<F<T>> implements I<F<T>> {} |
| // ^ |
| // |
| import self as self; |
| import "dart:core" as core; |
| |
| typedef F<contravariant T extends core::Object? = dynamic> = (T%) → void; |
| class B<T extends core::Object? = dynamic> extends core::Object { |
| synthetic constructor •() → self::B<self::B::T%> |
| ; |
| method f(core::int x) → self::B::T% |
| ; |
| } |
| abstract class I<T extends core::Object? = dynamic> extends core::Object { |
| synthetic constructor •() → self::I<self::I::T%> |
| ; |
| abstract method f(core::Object x) → self::I::T%; |
| } |
| abstract class C<T extends core::Object? = dynamic> extends core::Object { |
| synthetic constructor •() → self::C<self::C::T%> |
| ; |
| } |
| static method main() → void |
| ; |