| /* |
| * Copyright (c) 2018, 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. |
| * a type [T] on the form qualified (for instance, [C] or [p.D]) which denotes a |
| * generic class or parameterized type alias [G1] (that is, [T] is a raw type), |
| * every type argument of [G1] has a simple bound. |
| * @description Checks that simple bounds are correct for [typedef] with [X |
| * extends num] parameter (covariant) |
| * @author iarkh@unipro.ru |
| */ |
| typedef G<X extends num> = void Function<Y extends X>(); |
| |
| main() { |
| G source; |
| void Function<X extends num>() target = source; |
| void Function<X extends dynamic>() target1 = source; //# 01: compile-time error |
| void Function<Null>() target2 = source; //# 02: compile-time error |
| } |
