public static State UnpackNewestEventArchive(ImList <EventArchive> eventArchives, State state)
{
return(state
& Store.UpdateGameState(eventArchives[0].Snapshot)
& Store.UpdateEventStoreList((Store.GetEventStoreList(state) * eventArchives[0].Archive) & Im.Sort)
& Store.UpdateEventArchives(Im.Tail(eventArchives))
);
}