more.

OpenRa.FileFormats/Exts.cs

@@ -1,4 +1,6 @@
-
+using System;
+using System.Collections.Generic;
+
 namespace OpenRa
 {
 	public static class Exts
@@ -7,5 +9,11 @@ namespace OpenRa
 		{
 			return string.Format(fmt, args);
 		}
+
+		public static void Do<T>( this IEnumerable<T> e, Action<T> fn )
+		{
+			foreach( var ee in e )
+				fn( ee );
+		}
 	}
 }