Index: boost/fusion/functional/adapter/unfused.hpp
===================================================================
--- boost/fusion/functional/adapter/unfused.hpp	(revision 78487)
+++ boost/fusion/functional/adapter/unfused.hpp	(working copy)
@@ -100,6 +100,7 @@
 
 namespace boost 
 {
+#if !defined(BOOST_RESULT_OF_USE_DECLTYPE) || defined(BOOST_NO_DECLTYPE)
     template<class F>
     struct result_of< boost::fusion::unfused<F> const () >
     {
@@ -110,6 +111,17 @@
     {
         typedef typename boost::fusion::unfused<F>::call_0_result type;
     };
+#endif
+    template<class F>
+    struct tr1_result_of< boost::fusion::unfused<F> const () >
+    {
+        typedef typename boost::fusion::unfused<F>::call_const_0_result type;
+    };
+    template<class F>
+    struct tr1_result_of< boost::fusion::unfused<F>() >
+    {
+        typedef typename boost::fusion::unfused<F>::call_0_result type;
+    };
 }
 
 #define BOOST_FUSION_FUNCTIONAL_ADAPTER_UNFUSED_HPP_INCLUDED
Index: boost/fusion/functional/adapter/unfused_typed.hpp
===================================================================
--- boost/fusion/functional/adapter/unfused_typed.hpp	(revision 78487)
+++ boost/fusion/functional/adapter/unfused_typed.hpp	(working copy)
@@ -80,6 +80,7 @@
 
 namespace boost 
 {
+#if !defined(BOOST_RESULT_OF_USE_DECLTYPE) || defined(BOOST_NO_DECLTYPE)
     template<class F, class Seq>
     struct result_of< boost::fusion::unfused_typed<F,Seq> const () >
         : boost::fusion::unfused_typed<F,Seq>::template result< 
@@ -90,6 +91,17 @@
         : boost::fusion::unfused_typed<F,Seq>::template result< 
             boost::fusion::unfused_typed<F,Seq> () >
     { };
+#endif
+    template<class F, class Seq>
+    struct tr1_result_of< boost::fusion::unfused_typed<F,Seq> const () >
+        : boost::fusion::unfused_typed<F,Seq>::template result< 
+            boost::fusion::unfused_typed<F,Seq> const () >
+    { };
+    template<class F, class Seq>
+    struct tr1_result_of< boost::fusion::unfused_typed<F,Seq>() >
+        : boost::fusion::unfused_typed<F,Seq>::template result< 
+            boost::fusion::unfused_typed<F,Seq> () >
+    { };
 }