public Person(string firstname, string lastname, string twitter)
{
Id = StaticPersistentStore.GetNextId();
FirstName = firstname;
LastName = lastname;
Twitter = twitter;
}
public Comment(string body)
{
Id = StaticPersistentStore.GetNextId();
Body = body;
}
public Article(string title)
{
Comments = new List <Comment>();
Id = StaticPersistentStore.GetNextId();
Title = title;
}