static void Main(string[] args)
{
LimitedInt x = new LimitedInt();
// int y = 10 + 10;
x = 50; // implicit user defined conversion
x = x + 30.3; // operator overloading
Console.WriteLine("x: {0}", x.TheValue);
}
static void Main(string[] args)
{
LimitedInt li1 = new LimitedInt();
LimitedInt li2 = new LimitedInt();
LimitedInt li3 = new LimitedInt();
li1.TheValue = 10;
li2.TheValue = 20;
Console.WriteLine("li1: {0}, li2: {1}", li1.TheValue, li2.TheValue);
li3 = -li1;
Console.WriteLine("-{0} = {1}", li1.TheValue, li3.TheValue);
li3 = li1 + li2;
Console.WriteLine("{0} + {1} = {2}", li1.TheValue, li2.TheValue, li3.TheValue);
li3 = li1 - li2;
Console.WriteLine("{0} - {1} = {2}", li1.TheValue, li2.TheValue, li3.TheValue);
li3 = li2 - li1;
Console.WriteLine("{0} - {1} = {2}", li2.TheValue, li1.TheValue, li3.TheValue);
li3 = li1 + 55.1;
Console.WriteLine("{0} + {1} = {2}", li1.TheValue, 55.1, li3.TheValue);
/// li3 = li1 - 3; // no corresponding overloading. cannot do this!
/// Console.WriteLine("{0} - {1} = {2}", li1.TheValue, 3, li3.TheValue);
}
public static LimitedInt operator - (LimitedInt x)
{
LimitedInt li = new LimitedInt();
li.TheValue = 0;
return li;
}
// operator overloading
public static LimitedInt operator + (LimitedInt x, double y)
{
LimitedInt li = new LimitedInt();
li.TheValue = x.TheValue + (int)y;
return li;
}
public static LimitedInt operator + (LimitedInt x, LimitedInt y)
{
LimitedInt li = new LimitedInt();
li.TheValue = x.TheValue + y.TheValue;
return li;
}
