delegate void MyDelegate<in T>(T a); // in - Для аргумента.
public static void CatUser(Animal animal)
{
Console.WriteLine(animal.GetType().Name);
}
static void Main(string[] args)
{
Animal a1 = new Animal();
Animal a2 = new Dog();
Console.WriteLine("Number of legs: {0}", a2.NumberOfLegs);
}
static void ActOnAnimal(Animal a)
{
Console.WriteLine(a.NumberOfLegs);
}