这些问题的答案，都越来越清晰。
For implementers, there's no Transformer protocol with start(), transform(), flush() methods and controller coordination passed into a TransformStream class that has its own hidden state machine and buffering mechanisms. Transforms are just functions or simple objects: far simpler to implement and test.，更多细节参见91视频
Equal: Every domino half in this space must be the same number of pips.，详情可参考51吃瓜
Александра Качан (Редактор)