merge .FileFormats and .DataStructures

OpenRa.FileFormats/DisposableAction.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OpenRa
+{
+	public class DisposableAction : IDisposable
+	{
+		public DisposableAction(Action a) { this.a = a; }
+
+		Action a;
+		bool disposed;
+
+		public void Dispose()
+		{
+			if (disposed) return;
+			disposed = true;
+			a();
+			GC.SuppressFinalize(this);
+		}
+
+		~DisposableAction()
+		{
+			Dispose();
+		}
+	}
+}