/*

 * Language:      C#

 * Project Type:  Console

 * Compiler:      .NET 7

 * NuGetPackages:

*/

​

using System;

​

/*

    * TASK:

    * Implement the Pars method on type KeyCode, such that parsing an instance from the string

    * generated with ToString() gives you back an identical instance.

*/

​

public class ParsingRoundTripProgram

{

    public enum Prefix

    {

        Alpha,

        Beta,

        Sigma

    }

​

    public record KeyCode(Prefix Prefix, uint Number, bool Open)

    {

        public override string ToString()

        {

            var openPart = this.Open ? "Y" : "N";

            return $"{this.Prefix}-{this.Number}-{openPart}";

        }

​

        public static KeyCode Parse(string _)

        {

            return default;

        }

    }

​

    private static void TestCase(KeyCode input)

    {

        Console.WriteLine($"Expected: {input}");

        Console.WriteLine($"Actual:   {KeyCode.Parse(input.ToString())}");

        Console.WriteLine();

    }

​

    public static void Main()

    {

        TestCase(new KeyCode(Prefix.Alpha, 75243, true));

        TestCase(new KeyCode(Prefix.Beta, uint.MaxValue, true));

        TestCase(new KeyCode(Prefix.Alpha, 75243, false));

        TestCase(new KeyCode(Prefix.Beta, 0, false));

    }

}

​