| /* |
| * 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 From the Unified collection Spec: |
| * A spreadElement starting with [...] is a constant element if its expression |
| * is constant and it evaluates to a constant List, Set or Map instance |
| * originally created by a list, set or map literal. It is a potentially |
| * constant element if the expression is a potentially constant expression. |
| * @description: Checks that constant list spread element cannot be |
| * non-constant, cannot be [null] and cannot be of the type which is not [List] |
| * or [Set] |
| * @author iarkh@unipro.ru |
| */ |
| // SharedOptions=--enable-experiment=constant-update-2018 |
| |
| List l = []; |
| Set s = {}; |
| |
| const m1 = {1: 1}; |
| Map m2 = {2: 2}; |
| |
| const int i1 = 25; |
| int i2 = 25; |
| |
| const n = null; |
| |
| main() { |
| const List res1 = const [...l]; //# 01: compile-time error |
| const List res2 = const [...s]; //# 02: compile-time error |
| const List res3 = const [...m1]; //# 03: compile-time error |
| const List res4 = const [...m2]; //# 04: compile-time error |
| const List res5 = const [...i1]; //# 05: compile-time error |
| const List res6 = const [...i2]; //# 06: compile-time error |
| const List res7 = const [...n]; //# 07: compile-time error |
| } |
