| /* |
| * Copyright (c) 2019, 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 Finally, we define inference on a setOrMapLiteral collection as |
| * follows: |
| * ... |
| * Else, if collection is unambiguously a map literal where P is Map<Pk, Pv>: |
| * ... |
| * Otherwise the static key type of collection is K where K is determined by |
| * downwards inference. |
| * |
| * @description Checks that if collection is unambiguously a map literal and Pk |
| * is not ? then the static type of collection is K where K is determined by |
| * downwards inference. |
| * @author sgrekhov@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=constant-update-2018 |
| import "../../Utils/expect.dart"; |
| |
| main() { |
| Map m = {1: 1, 2: 2, 3: 3}; |
| Expect.isTrue(m is Map<Object, Object>); |
| Expect.isFalse(m is Map<int, int>); |
| } |
