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

namespace ConsoleApplication1
{
    class EnumMap<T>
    {
        private Dictionary<T, object> values { get; set; }
        public EnumMap()
        {
            values = new Dictionary<T, object>();
            Enum.GetValues(typeof(T)).Cast<T>().ToList().ForEach(x => values.Add(x, new object()));
        }
        public object this[T index]
        {
            get { return values[index]; }
            set { values[index] = value; }
        }
    }

    class Program
    {
        enum Student
        {
            Name, Grade, Class
        };

        static void Main(string[] args)
        {
            var student1 = new EnumMap<Student>();
            student1[Student.Name] = "王二弟";
            student1[Student.Grade] = 1;
            student1[Student.Class] = 7;
            Console.WriteLine(student1[Student.Name]);
        }
    }
}