This is fundamentally different from Web streams' pipeThrough(), which starts actively pumping data from the source to the transform as soon as you set up the pipe. Pull semantics mean you control when processing happens, and stopping iteration stops processing.
《呼兰河传》中关于祖父的后花园有一段描写：“后花园”的花开了，就像花睡醒了似的。鸟飞了，就像鸟上天了似的。虫子叫了，就像虫子在说话似的。一切都活了。都有无限的本领，要做什么，就做什么。要怎么样，就怎么样。都是自由的。，推荐阅读heLLoword翻译官方下载获取更多信息
。业内人士推荐同城约会作为进阶阅读
be integrated with a wide range of data sources
Hurdle Word 5 answerIVORY，更多细节参见爱思助手下载最新版本