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// Copyright (c) 2013, 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 test program for constructors and initializers.
// @dart = 2.9
// Check function subtyping of dynamic closures.
import 'package:expect/expect.dart';
typedef I<T> f2<T>();
class X {
J<bool> f1() => null;
class C<T> {
C(f2<T> f);
class I<T> {}
class J<T> extends I<int> {}
main() {
new C<int>(new X().f1);
Expect.throwsTypeError(() => new C<bool>(new X().f1 as dynamic));