以io.Writer为例看go中的interface{}
Go’s interfaces—static, checked at compile time, dynamic when asked for—are, for me, the most exciting part of Go from a language design point of view. If I could export one feature of Go into other languages, it would be interfaces. 《Go Data Structures: Interfaces》—- Russ Cox 可见interface是go中很重要的一个特性。 在网上有人问：Go语言中接口到底有啥好处，能否举例说明？于是，我考虑以io.Writer接口为例谈谈interface{} 一、io.Writer接口 在go标准库io包…