func (s *Series) GetLength() int {
	if s == nil || s.Length == nil {
		return 0
	}
	return *s.Length
}
func (s *Series) GetLength() int {
	if s == nil || s.Length == nil {
		return 0
	}
	return *s.Length
}
// GetLength returns the Length field if non-nil, zero value otherwise.