Removed spaces from top-level directory names.

Spaces tend to cause annoyances in a Unix-style shell environment.
This change fixes that.

74_Rock_Scissors_Paper/csharp/Choices.cs

@@ -0,0 +1,42 @@
+using System;
+
+namespace RockScissorsPaper
+{
+    public class Choices
+    {
+        public static readonly Choice Rock = new Choice("3", "Rock");
+        public static readonly Choice Scissors = new Choice("2", "Scissors");
+        public static readonly Choice Paper = new Choice("1", "Paper");
+
+        private static readonly Choice[] _allChoices;
+        private static readonly Random _random = new Random();
+
+        static Choices()
+        {
+            Rock.CanBeat = Scissors;
+            Scissors.CanBeat = Paper;
+            Paper.CanBeat = Rock;
+
+            _allChoices = new[] { Rock, Scissors, Paper };
+        }
+
+        public static Choice GetRandom()
+        {
+            return _allChoices[_random.Next(_allChoices.GetLength(0))];
+        }
+
+        public static bool TryGetBySelector(string selector, out Choice choice)
+        {
+            foreach (var possibleChoice in _allChoices)
+            {
+                if (string.Equals(possibleChoice.Selector, selector))
+                {
+                    choice = possibleChoice;
+                    return true;
+                }
+            }
+            choice = null;
+            return false;
+        }
+    }
+}