http://legendtkl.com/2017/06/12/understanding-golang-interface/ 深入理解 Go Interface
http://legendtkl.com/2017/07/01/golang-interface-implement/ Go Interface 源码剖析
http://legendtkl.com/2017/06/12/understanding-golang-interface/ 深入理解 Go Interface
http://legendtkl.com/2017/07/01/golang-interface-implement/ Go Interface 源码剖析