| // Copyright (c) 2022, 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. |
| |
| abstract class ChannelA { |
| ChannelB? get channel; |
| } |
| |
| abstract class ChannelB { |
| ActiveFrom? get activeFrom; |
| } |
| |
| abstract class ActiveFrom { |
| DateTime toLocal(); |
| } |
| |
| void method(ChannelA channel) { |
| DateTime? af = channel.channel?.activeFrom != null ? DateTime( |
| channel.channel!.activeFrom!.toLocal().year, |
| channel.channel!.activeFrom!.toLocal().month, |
| channel.channel!.activeFrom!.toLocal().day); |
| } |