Index: src/Common/DelftTools.Utils/Collections/EnumerableExtensions.cs
===================================================================
diff -u -r6122995ff0a1fb47598da4a852c1f6466be4509b -r3231c54b8de174cf77967f25312ea59a170da0c6
--- src/Common/DelftTools.Utils/Collections/EnumerableExtensions.cs	(.../EnumerableExtensions.cs)	(revision 6122995ff0a1fb47598da4a852c1f6466be4509b)
+++ src/Common/DelftTools.Utils/Collections/EnumerableExtensions.cs	(.../EnumerableExtensions.cs)	(revision 3231c54b8de174cf77967f25312ea59a170da0c6)
@@ -252,5 +252,10 @@
         {
             times.Times(action);
         }*/
+
+        public static int Count(this IEnumerable source)
+        {
+            return Enumerable.Count(source.Cast<object>());
+        }
     }
 }
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