How to correctly overload operators in C #?

I am trying to overload operators in a class. But I can't get it to work. The compiler sends me a lot of errors. Like:

CS0019: Operator '`+' cannot be applied to operands of type 'T' and 'T'

or

CS1020: Overloadable binary operator expected

This is my code:

//--------------------------------------------------     public class DataObject<T>   {      private T data;        public static void operator =(DataObject<T> a, T b)      {           a.data = b;      }      public static DataObject<T> operator +(DataObject<T> a, DataObject<T> b)      {          return a.data + b.data;      }        public static T operator +(DataObject<T> a, T b)      {          return a.data + b;      }  }    //--------------------------------------------------     public class Int : DataObject<int>  {       }    //--------------------------------------------------     public class Calc  {      public Int Add(Int a, Int b)      {          return a + b;      }        public void Add(Int a, Int b, Int result)      {          result = a + b;      }  }    //--------------------------------------------------     public class EntryPoint  {      static void Main()      {          Int a = new Int();          Int b = new Int();          Int result = new Int();            Calc calc = new Calc();            a = 5;          b = 7;            calc.Add(a, b, result);          Console.Write("\n result=" + result);              a = 3;          b = 6;            result = calc.Add(a, b);          Console.Write("\n result=" + result);                }  }  

Could someone tell me how to do this correctly?

Thank you!!

https://stackoverflow.com/questions/67378280/how-to-correctly-overload-operators-in-c May 04, 2021 at 11:06AM