blob: 7c9acba2db40b0fa4872741f361fd530e71fb9c3 [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) {
return a;
// ^
// [cfe] A value of type 'A' can't be returned from a function with return type 'B'.