public static void TestTopic()
{
SquareDelegate squareDelegate = GetRectangleSidesSum;
Square baseSquare = CovarianceDelegate.BuildBaseSquare();
int rectangleSidesSum = squareDelegate(baseSquare);
Debug.WriteLine($"Contravariance: Rectangle sides sum is {rectangleSidesSum}.");
}
public void TestTopic()
{
CowSay cowSayHandler1 = SayMessage;
CowSay cowSayHandler2 = SayMessage;
CowSay cowSayHandler3 = SayStaticMessage;
CowSay cowSayHandler = cowSayHandler1 + cowSayHandler2 + cowSayHandler3;
string cowSayResult = cowSayHandler("Hello Bitches");
var debugString = $"Delegate Result: {cowSayResult}";
Debug.WriteLine(debugString);
Program.Separator();
CovarianceDelegate.TestTopic();
Program.Separator();
ContravarianceDelegate.TestTopic();
Program.Separator();
}
