// Copyright (c) 2015, 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"; | |
int count = 0; | |
void f([void f([Null x]) = f]) { | |
count++; | |
if (f != null) { | |
f(null); | |
} | |
} | |
main() { | |
f(); | |
Expect.equals(2, count); | |
} |