Add Life as a sequence of Gneerations

56_Life_for_Two/csharp/Life.cs

@@ -0,0 +1,31 @@
+using System.Collections;
+
+internal class Life : IEnumerable<Generation>
+{
+    private readonly IReadWrite _io;
+
+    public Life(IReadWrite io)
+    {
+        _io = io;
+        FirstGeneration = Generation.Create(io);
+    }
+
+    public Generation FirstGeneration { get; }
+    public string? Result { get; private set; }
+    
+    public IEnumerator<Generation> GetEnumerator()
+    {
+        var current = FirstGeneration;
+        while (current.Result is null)
+        {
+            current = current.CalculateNextGeneration();
+            yield return current;
+
+            if (current.Result is null) { current.AddPieces(_io); }
+        }
+
+        Result = current.Result;
+    }
+
+    IEnumerator IEnumerable.GetEnumerator() => GetEnumerator(); 
+}