| /* |
| * 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 It is a compile-time error if: |
| * A spread element in a list or set literal has a static type that is not |
| * dynamic and not a subtype of Iterable<Object>. |
| * @description Checks that compile error is thrown if null-aware spread element |
| * in the constant set is not dynamic and is not assignable to [Iterable] or |
| * [Null] |
| * @author iarkh@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=constant-update-2018 |
| |
| main() { |
| const x1 = {1: 1}; |
| const x2 = 100; |
| const x3 = "check"; |
| |
| const Set s1 = {...?x1}; //# 01: compile-time error |
| const Set s2 = {...?x2}; //# 02: compile-time error |
| const Set s3 = {...?x3}; //# 03: compile-time error |
| } |
