| // Copyright (c) 2020, 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. |
| |
| // Test for tree shaking of write-only late fields. |
| // This test requires non-nullable experiment. |
| |
| // @dart = 2.10 |
| |
| foo() {} |
| |
| class A { |
| // Should be replaced with setter. |
| late int x; |
| |
| use() { |
| x = 3; |
| } |
| } |
| |
| class B { |
| // Should be retained. |
| late final int x; |
| |
| use() { |
| x = 3; |
| } |
| } |
| |
| // Should be removed. |
| late int staticLateA; |
| |
| // Should be retained. |
| late final int staticLateB; |
| |
| void main() { |
| new A().use(); |
| new B().use(); |
| |
| staticLateA = 4; |
| staticLateB = 4; |
| } |