| // Copyright (c) 2011, 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. |
| |
| /** |
| * @assertion A constant expression is an expression whose value can never |
| * change, and that can be evaluated entirely at compile time. |
| * A constant expression is one of the following: |
| * . . . |
| * • A simple or qualified identifier denoting a top-level function or a static |
| * method that is not qualified by a deferred prefix. |
| * @description Checks that a simple or qualified identifier denoting a |
| * top-level function or a static method can be assigned to a constant |
| * variable. |
| * @author ngl@unipro.ru |
| */ |
| |
| import '../../../Utils/expect.dart'; |
| import 'constants_lib.dart' as clib; |
| |
| void F() {} |
| |
| class B { |
| static void M() {} |
| } |
| |
| const a = F; |
| const b = B.M; |
| const c = clib.F; |
| const d = clib.B.M; |
| |
| main() { |
| Expect.isTrue(a is Function); |
| Expect.isTrue(b is Function); |
| Expect.isTrue(c is Function); |
| Expect.isTrue(d is Function); |
| } |