using System;

​

public record struct OrderId(int Value) {

    public static explicit operator OrderId(int value)

    {

        return new OrderId { Value = value };

    }

        public static implicit operator int(OrderId value)

    {

        return value.Value;

    }

}

​

public record struct BookingId(int Value) {

    public static explicit operator BookingId(int value)

    {

        return new BookingId { Value = value };

    }

        public static implicit operator int(BookingId value)

    {

        return value.Value;

    }

}

​

​

public class Program

{

    public static void Main()

    {

        var orderId1 = new OrderId(1);

        var orderId2 = (OrderId)2;

        int orderId3 = orderId2;

        int orderId4 = new OrderId(2);

        Console.WriteLine(orderId1);

        Console.WriteLine(orderId2);

        Console.WriteLine(orderId3);

        Console.WriteLine(orderId2 == orderId1);

        Console.WriteLine(orderId3 == orderId2);

        Console.WriteLine(orderId3 == orderId4);

        var bookingId1 = new BookingId(1);

        Console.WriteLine(bookingId1);

        Console.WriteLine(bookingId1 == orderId1);

        //OrderId orderId5 = bookingId1; // Error

        //OrderId orderId6 = (int)bookingId1; // Error

        //OrderId orderId7 = (OrderId)bookingId1; // Error

        OrderId orderId8 = (OrderId)((int)bookingId1); // OK

        Console.WriteLine(orderId8);

    }

}