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
}
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.
GetLength returns the Length field if non - nil zero value otherwise .