❔ operator * cannot be applied to operands of type T and T

I'm getting this error:

operator * cannot be applied to operands of type T and T

operator * cannot be applied to operands of type T and T

I understand why, but I'm wondering if there's a way to add a constraint only to ints , floats and doubles. Sounds like it's a no. What else can be done?

    struct Vector2D<T>  
    {
        public T x, y;

        public Vector2D()
        {
            x = y = default(T);
        }
         
        public Vector2D(T xPos, T yPos)
        {
            x = xPos;
            y = yPos;
        }

        public T GetMagnitude()
        {
            return System.Math.Sqrt(x * x + y * y); // error
        }
    }

    struct Vector2D<T>  
    {
        public T x, y;

        public Vector2D()
        {
            x = y = default(T);
        }
         
        public Vector2D(T xPos, T yPos)
        {
            x = xPos;
            y = yPos;
        }

        public T GetMagnitude()
        {
            return System.Math.Sqrt(x * x + y * y); // error
        }
    }

C#•3y ago•

14 replies

triplemocha

❔ operator * cannot be applied to operands of type T and T

I'm getting this error:

operator * cannot be applied to operands of type T and T

operator * cannot be applied to operands of type T and T

I understand why, but I'm wondering if there's a way to add a constraint only to ints , floats and doubles. Sounds like it's a no. What else can be done?

    struct Vector2D<T>  
    {
        public T x, y;

        public Vector2D()
        {
            x = y = default(T);
        }
         
        public Vector2D(T xPos, T yPos)
        {
            x = xPos;
            y = yPos;
        }

        public T GetMagnitude()
        {
            return System.Math.Sqrt(x * x + y * y); // error
        }
    }

    struct Vector2D<T>  
    {
        public T x, y;

        public Vector2D()
        {
            x = y = default(T);
        }
         
        public Vector2D(T xPos, T yPos)
        {
            x = xPos;
            y = yPos;
        }

        public T GetMagnitude()
        {
            return System.Math.Sqrt(x * x + y * y); // error
        }
    }

❔ operator * cannot be applied to operands of type T and T

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