| // 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. |
| |
| // @dart = 2.9 |
| |
| Q hest<Q>(dynamic x) { |
| if (x is Q) return x; |
| return null; |
| } |
| |
| Q Function<Q>(dynamic) pony = hest; |
| Q Function<Q extends Object>(dynamic) zebra = hest; |
| |
| main() { |
| hest(42).fisk(); //# 01: runtime error |
| pony(42).fisk(); //# 02: runtime error |
| zebra(42).fisk(); //# 03: compile-time error |
| } |
