blob: d109f6c9af0dc0bca990dc367ce0cd511d0c4810 [file] [log] [blame]
// 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.
// @dart = 2.7
/*class: A:checkedInstance*/
class A {}
/*class: B:checks=[$isA],instance*/
class B implements A {}
/*class: C:checks=[],instance*/
class C extends B {} // Implements A through `extends B`.
test(o) => o is A;
main() {
test(new C());
test(new B());