From bb4dd8289b351fae6b55e303f189127a394a1edd Mon Sep 17 00:00:00 2001
From: Anas Nashif <anas.nashif@intel.com>
Date: Mon, 26 Aug 2013 08:15:55 -0400
Subject: Imported Upstream version 1.51.0

---
 boost/fusion/algorithm/transformation/replace_if.hpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'boost/fusion/algorithm/transformation/replace_if.hpp')

diff --git a/boost/fusion/algorithm/transformation/replace_if.hpp b/boost/fusion/algorithm/transformation/replace_if.hpp
index 29913436e3..39b9009a79 100644
--- a/boost/fusion/algorithm/transformation/replace_if.hpp
+++ b/boost/fusion/algorithm/transformation/replace_if.hpp
@@ -9,6 +9,7 @@
 
 #include <boost/fusion/view/transform_view/transform_view.hpp>
 #include <boost/fusion/algorithm/transformation/detail/replace_if.hpp>
+#include <boost/fusion/support/is_sequence.hpp>
 #include <boost/utility/enable_if.hpp>
 #include <boost/type_traits/is_same.hpp>
 
@@ -24,7 +25,12 @@ namespace boost { namespace fusion
     }
 
     template <typename Sequence, typename F, typename T>
-    inline typename result_of::replace_if<Sequence const, F, T>::type
+    inline 
+    typename 
+        enable_if<
+            traits::is_sequence<Sequence>
+          , typename result_of::replace_if<Sequence const, F, T>::type
+        >::type
     replace_if(Sequence const& seq, F pred, T const& new_value)
     {
         typedef typename result_of::replace_if<Sequence const, F, T>::type result;
-- 
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