public interface IDisplay
{
void Print();
}
public struct MyStruct : IDisplay
{
public int x;
public void Print()
{
System.Console.WriteLine( "{0}", x );
}
}
public class MainClass
{
static void Main()
{
MyStruct myval = new MyStruct();
myval.x = 123;
// no boxing
myval.Print();
// must box the value
IDisplay printer = myval;
printer.Print();
}
}
123
123