func (s *Series) HasEnd() bool {
	if s != nil && s.End != nil {
		return true
	}

	return false
}
func (s *Series) HasEnd() bool {
	if s != nil && s.End != nil {
		return true
	}

	return false
}
func ( s * Series ) HasEnd ( ) bool { if s != nil && s . End != nil { return true } return false }
// HasEnd returns a boolean if a field has been set.
HasEnd returns a boolean if a field has been set .