blob: 7ee2d92a96bc29386818ba58f7afbd83ac7f1e2e [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.
// @dart = 2.9
import "package:expect/expect.dart";
class A {}
class B extends A {}
void main() {
Object b;
A a = new B();
B Function(A) f = (A a) => a;
b = f(a); // No error
a = new A();
Expect.throwsTypeError(() {
f(a);
});
}