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.
html = self.http_client.get(url)
。爱思助手下载最新版本对此有专业解读
Apple Watch 走的也是这条路——将健康与通知两个功能一边升级、一边剥离出来，用户需要购买额外的配件，才能解锁 iPhone 更全面的体验。。关于这个话题，搜狗输入法下载提供了深入分析
“中国一強”「レアアース」 日本の戦略に密着取材