operator overloading

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■ operator overloading
• Operator overloading gives the ability to use the same operator to do various operations.
• It allows you to define how operators work with your custom types (classes or structs).
• This can make your custom types more intuitive and easier to use.

Let's say we have a Complex class to represent complex numbers. We want to overload the + and - operators to add and subtract complex numbers.


    Example :-
_____________________________
public class Complex
{
    public double Real { get; }
    public double Imaginary { get; }

    public Complex(double real, double imaginary)
    {
        Real = real;
        Imaginary = imaginary;
    }

    // Overloading the + operator
    public static Complex operator +(Complex c1, Complex c2)
    {
        return new Complex(c1.Real + c2.Real, c1.Imaginary + c2.Imaginary);
    }

    // Overloading the - operator
    public static Complex operator -(Complex c1, Complex c2)
    {
        return new Complex(c1.Real - c2.Real, c1.Imaginary - c2.Imaginary);
    }

    // Overriding ToString method for better output representation
    public override string ToString()
    {
        return $"{Real} + {Imaginary}i";
    }
}

class Program
{
    static void Main()
    {
        Complex c1 = new Complex(1.0, 2.0);
        Complex c2 = new Complex(3.0, 4.0);

        Complex sum = c1 + c2;
        Complex difference = c1 - c2;

        Console.WriteLine($"Sum: {sum}");
        Console.WriteLine($"Difference: {difference}");
    }
}
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