package main import ( "fmt" ) func variadic(strs ...string) { // strs is a slice of string for i, str := range strs { fmt.Printf("%d: %s\n", i, str) } fmt.Print("\n") } func main() { variadic("Hello", "Goodbye") variadic("Str1", "Str2", "Str3") // you can also give a slice to a variadic function, with `...`: strs := []string{"a", "b"} variadic(strs...) }