Index: algorithm/auxiliary/copy.hpp
===================================================================
--- algorithm/auxiliary/copy.hpp	(revision 74332)
+++ algorithm/auxiliary/copy.hpp	(working copy)
@@ -53,6 +53,15 @@
         };
     }
 
+    namespace result_of
+    {
+        template <typename Seq1, typename Seq2>
+        struct copy
+        {
+            typedef void type;
+        };
+    }
+
     template <typename Seq1, typename Seq2>
     inline void
     copy(Seq1 const& src, Seq2& dest)