// Copyright (c) 2018, 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. | |
// This test checks that contravariant occurrences of mutually dependent type | |
// variables in the bounds of all of these type variables are replaced with | |
// Null. | |
class D<X extends void Function(X, Y), Y extends void Function(X, Y)> {} | |
D d; | |
class E<X extends void Function(X)> {} | |
E e; | |
main() {} |