static void Main(string[] args)
{
//Covariance
object myObj = "string";
Animal animal = new Bird();
object obj = new Bird();
//Contravariance
Action<object> actObject = SetObject;
Action<Bird> actString = actObject;
actString.Invoke(new Bird());
//Covariance in Generic interfaces
IComparer<Bird> birdComparer = new AnimalComparer();
birdComparer.Compare(bird1, bird2);
////Contravariance in Generic interfaces
BirdCreator birdCreator = new BirdCreator();
ContraVariance(birdCreator);
Console.ReadLine();
}
static void Main(string[] args)
{
BirdCreator birdCreator = new BirdCreator( );
ContraVariance(birdCreator);
Console.ReadLine();
}