public MeetupAggregate(
MeetupId id,
MeetupTitle title,
ValidatedLocation location,
NumberOfSeats seats,
MeetupState state,
Dictionary <MemberId, DateTime> going,
Dictionary <MemberId, DateTime> notGoing)
{
Id = id;
Title = title;
Location = location;
NumberOfSeats = seats;
State = state;
_going = going;
_notGoing = notGoing;
}
public MeetupAggregate(MeetupId id, MeetupTitle title, ValidatedLocation location) =>