From d1a397c427a0c8e5d61f46404e0820cde3d7edf1 Mon Sep 17 00:00:00 2001
From: Joel de Guzman <djowel@gmail.com>
Date: Tue, 20 Sep 2011 01:48:47 +0000
Subject: [PATCH] Patch to make deriving from fusion::sequence_facade makes the
 derived class an MPL sequence by Nathan Ridge.

[SVN r74473]
---
 include/boost/fusion/sequence/sequence_facade.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/boost/fusion/sequence/sequence_facade.hpp b/include/boost/fusion/sequence/sequence_facade.hpp
index 5a09132c..fd6b095e 100644
--- a/include/boost/fusion/sequence/sequence_facade.hpp
+++ b/include/boost/fusion/sequence/sequence_facade.hpp
@@ -17,6 +17,7 @@ namespace boost { namespace fusion
     template <typename Derived, typename Category, typename IsView = mpl::false_>
     struct sequence_facade : sequence_base<Derived>
     {
+        typedef fusion_sequence_tag tag;
         typedef sequence_facade_tag fusion_tag;
         typedef Derived derived_type;
         typedef Category category;