using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DaSaSo.ConsoleApp
{
    class testclass
    {
       public efields data;
    }

    [Flags]
    enum efields : int
    {
        PRO = 1,
        CONTRA = 2,
        DESPRED = 4,
        CATRA = 8
    };

    static class EnumerationExtensions
    {
        public static bool Has<T>(this System.Enum type, T value)
        {
            try
            {
                return (((int)(object)type & (int)(object)value) == (int)(object)value);
            }
            catch
            {
                return false;
            }
        }
    }

}