Implicit operators demo

Money.cs

public struct Money
{
    private readonly double _amount;

    public Money(double amount)
    {
        _amount = amount;
    }

    public double Amount => _amount;

    // Implicitly converts Money to double
    public static implicit operator double(Money money)
    {
        return money._amount;
    }

    // Implicitly converts double to Money
    public static implicit operator Money(double amount)
    {
        return new Money(amount);
    }
}

// Usage
class Program
{
    static void Main(string[] args)
    {
        Money moneyInWallet = new Money(100.50); // $100.50
        double cash = moneyInWallet; // Implicit conversion to double
        
        // Adding more money
        moneyInWallet += 99.50; // Implicit conversion from double to Money, then addition

        Console.WriteLine(cash); // Output: 100.5
        Console.WriteLine(moneyInWallet.Amount); // Output: 200
    }
}