code: func NewHumanFriendlyNumber(spaceID uuid.UUID, tableName string, number ...int) HumanFriendlyNumber {
  	n := 0
  	if len(number) > 0 {
  		n = number[0]
  	}
  	return HumanFriendlyNumber{
  		Number:    n,
  		spaceID:   spaceID,
  		tableName: tableName,
  	}
  }
docs: // NewHumanFriendlyNumber TODO(kwk): document me