|  | // Copyright (c) 2021, 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. | 
|  | // | 
|  | // VMOptions=--optimization-counter-threshold=20 --deterministic | 
|  |  | 
|  | import 'package:expect/expect.dart'; | 
|  |  | 
|  | List<List<List<List<int>>>> toNestedList() { | 
|  | final list = [ | 
|  | for (var i0 = 0; i0 < 2; i0++) | 
|  | [ | 
|  | for (var i1 = 0; i1 < 2; i1++) | 
|  | [ | 
|  | for (var i2 = 0; i2 < 2; i2++) | 
|  | [ | 
|  | for (var i3 = 0; i3 < 2; i3++) | 
|  | 1000 * i0 + 100 * i1 + 10 * i2 + i3 | 
|  | ] | 
|  | ] | 
|  | ] | 
|  | ]; | 
|  | return list; | 
|  | } | 
|  |  | 
|  | const expectedList = [ | 
|  | [ | 
|  | [ | 
|  | [0000, 0001], | 
|  | [0010, 0011], | 
|  | ], | 
|  | [ | 
|  | [0100, 0101], | 
|  | [0110, 0111], | 
|  | ] | 
|  | ], | 
|  | [ | 
|  | [ | 
|  | [1000, 1001], | 
|  | [1010, 1011], | 
|  | ], | 
|  | [ | 
|  | [1100, 1101], | 
|  | [1110, 1111], | 
|  | ] | 
|  | ] | 
|  | ]; | 
|  |  | 
|  | void main() { | 
|  | Expect.deepEquals(expectedList, toNestedList()); | 
|  | } |