public static AddClass_Unary operator -(AddClass_Unary op1)
{
AddClass_Unary returnVal = new AddClass_Unary();
returnVal.val = -op1.val;
return(returnVal);
}
public static AddClass_Unary operator +(AddClass_Unary op1, AddClass_Unary op2)
{
AddClass_Unary returnVal = new AddClass_Unary();
returnVal.val = op1.val + op2.val;
return(returnVal);
}