func (r *Recurrence) GetPeriod() int {
	if r == nil || r.Period == nil {
		return 0
	}
	return *r.Period
}
func (r *Recurrence) GetPeriod() int {
	if r == nil || r.Period == nil {
		return 0
	}
	return *r.Period
}
func ( r * Recurrence ) GetPeriod ( ) int { if r == nil || r . Period == nil { return 0 } return * r . Period }
// GetPeriod returns the Period field if non-nil, zero value otherwise.
GetPeriod returns the Period field if non - nil zero value otherwise .