X-Git-Url: https://git.donarmstrong.com/?p=rsem.git;a=blobdiff_plain;f=boost%2Ffusion%2Fsupport%2Fsequence_base.hpp;fp=boost%2Ffusion%2Fsupport%2Fsequence_base.hpp;h=89affab666703839c178dd92495bc9c05c3ac4a3;hp=1d436ef165f111b103ba253742672028d3f06200;hb=2d71eb92104693ca9baa5a2e1c23eeca776d8fd3;hpb=da57529b92adbb7ae74a89861cb39fb35ac7c62d

diff --git a/boost/fusion/support/sequence_base.hpp b/boost/fusion/support/sequence_base.hpp
index 1d436ef..89affab 100644
--- a/boost/fusion/support/sequence_base.hpp
+++ b/boost/fusion/support/sequence_base.hpp
@@ -1,5 +1,5 @@
 /*=============================================================================
-    Copyright (c) 2001-2006 Joel de Guzman
+    Copyright (c) 2001-2011 Joel de Guzman
     Copyright (c) 2007 Tobias Schwinger
 
     Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -12,10 +12,14 @@
 
 namespace boost { namespace fusion
 {
-    struct sequence_root {};
+    namespace detail
+    {
+        struct from_sequence_convertible_type
+        {};
+    }
 
     template <typename Sequence>
-    struct sequence_base : sequence_root
+    struct sequence_base
     {
         Sequence const&
         derived() const
@@ -28,6 +32,11 @@ namespace boost { namespace fusion
         {
             return static_cast<Sequence&>(*this);
         }
+
+        operator detail::from_sequence_convertible_type()const
+        {
+            return detail::from_sequence_convertible_type();
+        }
     };
 
     struct fusion_sequence_tag;