func (w *WaitVar) String() string {
	return fmt.Sprintf("%s:%s", w.Min, w.Max)
}
func (w *WaitVar) String() string {
	return fmt.Sprintf("%s:%s", w.Min, w.Max)
}
func ( w * WaitVar ) String ( ) string { return fmt . Sprintf ( " " , w . Min , w . Max ) }
// String returns the string format for this wait variable
String returns the string format for this wait variable