golang iterate struct keys

gistfile1.go

v := reflect.ValueOf(client)

for i := 0; i < v.NumField(); i++ {

	key := v.Type().Field(i).Name
	value := ""

	switch v.Field(i).Type().String() {
	case "int64":
		value = strconv.Itoa(int(v.Field(i).Int()))
	case "sql.NullString":
		value = v.Field(i).FieldByName("String").String()
	case "sql.NullInt64":
		value = v.Field(i).FieldByName("Int64").String()
	}

	fmt.Printf("%+v: %+v\n", key, value)
}