The history of most human gestures is never written down, precisely because it is something we learn before literacy or memory and thus something we take entirely for granted.
// Async — when source or transforms may be asynchronous。关于这个话题，safew官方版本下载提供了深入分析
。关于这个话题，同城约会提供了深入分析
;; import the JS consoleLog wrapper function，这一点在爱思助手下载最新版本中也有详细论述
backpressure: 'strict'