| library; |
| // |
| // Problems in library: |
| // |
| // pkg/front_end/testcases/nnbd/forbidden_supers.dart:13:7: Error: The type 'Never' can't be mixed in. |
| // class C1 extends B with Never {} |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd/forbidden_supers.dart:13:7: Error: The type 'Never' can't be used as supertype. |
| // class C1 extends B with Never {} |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd/forbidden_supers.dart:16:7: Error: The type 'Never' can't be used as supertype. |
| // class D1 extends Never {} |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd/forbidden_supers.dart:19:7: Error: The type 'Never' can't be used as supertype. |
| // class E1 implements Never {} |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd/forbidden_supers.dart:16:7: Error: The type 'Never' can't be used in an 'extends' clause. |
| // class D1 extends Never {} |
| // ^ |
| // |
| // pkg/front_end/testcases/nnbd/forbidden_supers.dart:19:7: Error: The type 'Never' can't be used in an 'implements' clause. |
| // class E1 implements Never {} |
| // ^ |
| // |
| import self as self; |
| import "dart:core" as core; |
| |
| class A extends core::Object { |
| synthetic constructor •() → self::A |
| : super core::Object::•() |
| ; |
| } |
| class B extends core::Object { |
| synthetic constructor •() → self::B |
| : super core::Object::•() |
| ; |
| } |
| abstract class _C&B&A = self::B with self::A { |
| synthetic constructor •() → self::_C&B&A |
| : super self::B::•() |
| ; |
| } |
| class C extends self::_C&B&A { |
| synthetic constructor •() → self::C |
| : super self::_C&B&A::•() |
| ; |
| } |
| abstract class _C1&B&Never extends self::B { |
| synthetic constructor •() → self::_C1&B&Never |
| : super self::B::•() |
| ; |
| } |
| class C1 extends self::_C1&B&Never { |
| synthetic constructor •() → self::C1 |
| : super self::_C1&B&Never::•() |
| ; |
| } |
| class D extends self::A { |
| synthetic constructor •() → self::D |
| : super self::A::•() |
| ; |
| } |
| class D1 extends core::Object { |
| synthetic constructor •() → self::D1 |
| : super core::Object::•() |
| ; |
| } |
| class E extends core::Object implements self::B { |
| synthetic constructor •() → self::E |
| : super core::Object::•() |
| ; |
| } |
| class E1 extends core::Object { |
| synthetic constructor •() → self::E1 |
| : super core::Object::•() |
| ; |
| } |
| static method main() → dynamic {} |