static void Main(string[] args)
{
CustomerRef first = new CustomerRef(1, "Sasha", "Hell");
CustomerRef second = new CustomerRef(2, "Alex", "Penn");
CustomerRef third = new CustomerRef(2, "Olga", "Enn");
Console.WriteLine("---class---");
Console.WriteLine(second.Equals(third, new ClassComparer.EqualityByName()));
Console.WriteLine(second.CompareTo(third));
Console.WriteLine(second.CompareTo(third, new ClassComparer.CompareByLastName()));
Console.WriteLine(second.CompareTo(third, new ClassComparer.CompareByLastName().Compare));
Console.WriteLine("-------------------");
Console.WriteLine(second < second);
Console.WriteLine(second > second);
Console.WriteLine(first.Clone().ToString());
Console.WriteLine("---structure---");
CustomerVal valFirst = new CustomerVal(1, "Sasha", "Hell");
CustomerVal valSec = new CustomerVal(2, "Alex", "Penn");
CustomerVal valThird = new CustomerVal(2, "Olga", "Enn");
object obj = valSec;
Console.WriteLine(obj.Equals(valSec));
Console.WriteLine(valSec.Equals(obj));
Console.WriteLine(valSec.Equals(valThird, new StructComparer.EqualityByName()));
Console.WriteLine(valSec.CompareTo(valThird));
Console.WriteLine(valSec.CompareTo(valThird, new StructComparer.CompareByLastName()));
Console.WriteLine(valSec.CompareTo(valThird, new StructComparer.CompareByLastName().Compare));
Console.WriteLine("-------------------");
Console.WriteLine(valSec < valSec);
Console.WriteLine(valSec > valSec);
Console.WriteLine(valFirst.Clone().ToString());
}
