blob: 26f0836b713bec3651cdeaea474307996beeae52 [file] [log] [blame]
// Copyright (c) 2017, 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.
class A {}
class B extends A {}
void main() {
A a = new B();
B Function(A) f = (A a) => a;
// ^
// [cfe] A value of type 'A' can't be returned from a function with return type 'B'.