go chapter 7 - 類型
阿新 • • 發佈:2018-08-02
func fmt int pre 判斷 chapter pri true efault
任意類型
interface{}
遍歷並判斷類型
func MyPrintf(args ...interface{}) { for _, arg := range args { switch arg.(type) { case int: fmt.Println(arg, "is an int value.") case string: fmt.Println(arg, "is a string value.") case float64: fmt.Println(arg, "is an float64 value.") case bool: fmt.Println(arg, "is an bool value.") default: fmt.Println(arg, "is an unknown type.") } } }
go chapter 7 - 類型