public static AddClasss1 operator -(AddClasss1 op1)
{
AddClasss1 returnVal = new AddClasss1();
returnVal.val = -op1.val;
return(returnVal);
}
public static AddClasss1 operator +(AddClasss1 op1, AddClasss1 op2)
{
AddClasss1 returnVal = new AddClasss1();
returnVal.val = op1.val + op2.val;
return(returnVal);
}
static void Main(string[] args)
{
AddClasss1 op1 = new AddClasss1();
op1.val = 5;
AddClasss1 op2 = new AddClasss1();
op2.val = 5;
AddClasss1 op3 = op1 + op2;
Console.WriteLine(op3);
Console.WriteLine(-op3);
}