001_go...三点详解

请看demo,哈哈

一、

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package main   import "fmt"   func Greeting(prefix string, who ...string){     fmt.Printf( "%s, %s\n",prefix, who) }   func main()  {     Greeting("nobody")     Greeting("hello:", "Joe", "Anna", "Eileen")       s := []string{"James", "Jasmine"}     Greeting("goodbye:", s...) } /*输出 nobody, [] hello:, [Joe Anna Eileen] goodbye:, [James Jasmine] */

参考:https://golang.org/ref/spec#Passing_arguments_to_..._parameters