using System;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        var a = KnownGender.Male;       

        var b = KnownGender.FeMale;

        var c = KnownGender.GetGendeFromCode("M");

        Console.WriteLine("Run at: {0:dd-MM-yy HH:mm:ss}", DateTime.Now);

        if(a==b)

            Console.WriteLine("a=b");

        else

            Console.WriteLine("a!=b");

        if(a==c)

            Console.WriteLine("a=c");

        else

            Console.WriteLine("a!=c");

        Console.WriteLine("a desc: {0}", KnownGender.GetDescFromCode("F"));

        //Console.WriteLine("Arr: {0}", ss.Length );

    }

}

​

class KnownGender //: IComparer<KnownGender>

    {

        public const string MaleCode = "M";

​

        public static readonly KnownGender Male = new KnownGender { Code = MaleCode, Name = "Male", Description = "A Man" };

        public static readonly KnownGender FeMale = new KnownGender { Code = "F", Name = "Female", Description = "A Woman" };

        public static readonly KnownGender Unknown = new KnownGender { Code = "U", Name = "Unknown", Description = "Gender unknown" };

​

        public static List<KnownGender> Genders = new List<KnownGender>() { Male, FeMale, Unknown };

​

​

​

        private KnownGender()

        {

​

        }

        public static KnownGender GetGendeFromCode(string code)

        {

            return Genders.FirstOrDefault(x => x.Code == code);

        }

        public static string GetDescFromCode(string code)

        {

            var found = Genders.FirstOrDefault(x => x.Code == code);

            if (found != null)

                return found.Description;

​

            return string.Empty;

        }

​

        public string Code { get; private set; }

        public string Name { get; private set; }

​

        public string Description { get; private set; }

​

    }