| // 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 |
| abstract class Base {} |
| |
| class Foo extends Base {} |
| |
| class Bar extends Base {} |
| |
| class Baz extends Base {} |
| |
| void foo(x) {} |
| |
| void bar(x) {} |
| |
| void foo_escaped(x) {} |
| |
| void bar_escaped(x) {} |
| |
| void escape(fn) { |
| fn(new Baz()); |
| } |
| |
| main() { |
| foo(new Foo()); |
| bar(new Bar()); |
| escape(foo_escaped); |
| escape(bar_escaped); |
| } |