标签：
http://www.yinwang.org/blog-cn/2014/04/18/golang/
https://en.wikipedia.org/wiki/Continuation
https://en.wikipedia.org/wiki/Continuation
https://en.wikipedia.org/wiki/Continuation-passing_style
标签：
原文地址：http://www.cnblogs.com/webundle/p/4783674.html
