http://www.ruanyifeng.com/blog/2012/04/functional_programming.html 函数式编程初探
http://www.cnblogs.com/kym/archive/2011/03/07/1976519.html 函数式编程扫盲篇
http://yuedu.baidu.com/ebook/a5f124bc6529647d26285234?f=read go语言编程
