static void Main()
{
MyType bla = new MyType();
bla.Set(234);
System.Console.WriteLine(bla.As <MyType, int>());
System.Console.WriteLine(bla.Is <MyType, string>());
System.Console.WriteLine(bla.Is <MyType, int>());
bla.Set("test");
System.Console.WriteLine(bla.As <MyType, string>());
System.Console.WriteLine(bla.Is <MyType, string>());
System.Console.WriteLine(bla.Is <MyType, int>());
// compile time errors!
// bla.Set('a');
// bla.Is<MyType,char>()
}
