enums & switch

using System;

 namespace ConsoleApp1
 {
     class Program
     {

         public enum Direction
         {
             LEFT, RIGHT, FORWARD, BACKWARD
         }

         static void Main(string[] args)
         {

             Direction dir = Direction.LEFT;

             switch (dir)
             {
                 case Direction.LEFT:
                     // go left
                     break;
                 case Direction.RIGHT:
                     //go right
                     break;
                 case Direction.FORWARD:
                     //go forward
                     break;
                 case Direction.BACKWARD:
                     //go backwards
                     break;
                 default:
                     throw new ArgumentOutOfRangeException();
             }

         }
     }
 }