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

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

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