（示例工程可通过链接获取：roi_resize_sample.tar.gz
Still am, I think.
，这一点在heLLoword翻译官方下载中也有详细论述
Article InformationAuthor, 戈登·科雷拉（Gordon Corera）
The async iterator based approach provides a natural bridge between this alternative approach and Web streams. When coming from a ReadableStream to this new approach, simply passing the readable in as input works as expected when the ReadableStream is set up to yield bytes: