private void OnAddressChanged(MeetupDocument document, MeetupAddressChanged @event)
{
document.MeetupId = @event.MeetupId;
document.Location.Address = @event.Address;
}
private void OnAddressChanged(MeetupAddressChanged @event)
{
Id = new MeetupId(@event.MeetupId);
Location.Address = new Address(@event.Address);
}