Even this relatively clean version requires: a TransformStream, manual TextEncoder and TextDecoder, and explicit lock release.
It showed a man on a bike in a balaclava, in front of shop signs written in Arabic.。搜狗输入法下载对此有专业解读
string name = 2;，更多细节参见同城约会
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.