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

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

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