result_of::size::value and result_of::size::type::value should be same type, rels to: #7304.

include/boost/fusion/sequence/intrinsic/size.hpp

@@ -67,14 +67,10 @@ namespace boost { namespace fusion
     {
         template <typename Sequence>
         struct size
-            : extension::size_impl<typename detail::tag_of<Sequence>::type>::
+            : mpl::int_<
-        template apply<Sequence>
+                  extension::size_impl<typename detail::tag_of<Sequence>::type>
-
+                      ::template apply<Sequence>::type::value
-        {
+              > {};
-            typedef typename extension::size_impl<typename detail::tag_of<Sequence>::type>::
-            template apply<Sequence>::type size_application;
-            BOOST_STATIC_CONSTANT(int, value = size_application::value);
-        };
     }
 
     template <typename Sequence>

test/Jamfile

@@ -161,6 +161,8 @@ project
     [ run sequence/ref_vector.cpp : : : : ]
     [ run sequence/flatten_view.cpp : : : : ]
 
+    [ compile sequence/size.cpp : : : : ]
+
     [ run functional/fused.cpp : : : : ]
     [ run functional/fused_function_object.cpp : : : : ]
     [ run functional/fused_procedure.cpp : : : : ]

test/sequence/size.cpp

@@ -0,0 +1,101 @@
+/*=============================================================================
+    Copyright (c) 2014 Kohei Takahashi
+
+    Distributed under the Boost Software License, Version 1.0. (See accompanying
+    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+==============================================================================*/
+#include <boost/config.hpp>
+#include <boost/fusion/container/vector.hpp>
+#include <boost/fusion/container/deque.hpp>
+#include <boost/fusion/container/list.hpp>
+#include <boost/fusion/container/set.hpp>
+#include <boost/fusion/container/map.hpp>
+#include <boost/fusion/support/pair.hpp>
+#include <boost/fusion/sequence/intrinsic/size.hpp>
+#include <boost/type_traits/is_same.hpp>
+#include <boost/mpl/assert.hpp>
+
+#include <boost/array.hpp>
+#include <boost/fusion/adapted/boost_array.hpp>
+#include <boost/tuple/tuple.hpp>
+#include <boost/fusion/adapted/boost_tuple.hpp>
+#if !defined(BOOST_NO_CXX11_HDR_TUPLE)
+#include <tuple>
+#include <boost/fusion/adapted/std_tuple.hpp>
+#endif
+
+template <typename LHS, typename RHS>
+void check_(LHS const&, RHS const&)
+{
+    BOOST_MPL_ASSERT((boost::is_same<LHS, RHS>));
+}
+
+template <typename S>
+void check()
+{
+    check_(
+        boost::fusion::result_of::size<S>::type::value
+      , boost::fusion::result_of::size<S>::value
+    );
+}
+
+void test()
+{
+    {
+        check<boost::fusion::vector<> >();
+        check<boost::fusion::vector<int> >();
+        check<boost::fusion::vector<int, int> >();
+        check<boost::fusion::vector<int, int, int> >();
+    }
+
+    {
+        check<boost::fusion::deque<> >();
+        check<boost::fusion::deque<int> >();
+        check<boost::fusion::deque<int, int> >();
+        check<boost::fusion::deque<int, int, int> >();
+    }
+
+    {
+        check<boost::fusion::list<> >();
+        check<boost::fusion::list<int> >();
+        check<boost::fusion::list<int, int> >();
+        check<boost::fusion::list<int, int, int> >();
+    }
+
+    {
+        check<boost::fusion::set<> >();
+        check<boost::fusion::set<int> >();
+        check<boost::fusion::set<int, float> >();
+        check<boost::fusion::set<int, float, double> >();
+    }
+
+    {
+        check<boost::fusion::map<> >();
+        check<boost::fusion::map<boost::fusion::pair<int, int> > >();
+        check<boost::fusion::map<boost::fusion::pair<int, int> , boost::fusion::pair<float, int> > >();
+        check<boost::fusion::map<boost::fusion::pair<int, int> , boost::fusion::pair<float, int> , boost::fusion::pair<double, int> > >();
+    }
+
+    {
+        check<boost::array<int, 1> >();
+        check<boost::array<int, 2> >();
+        check<boost::array<int, 3> >();
+    }
+
+    {
+        check<boost::tuples::tuple<> >();
+        check<boost::tuples::tuple<int> >();
+        check<boost::tuples::tuple<int, int> >();
+        check<boost::tuples::tuple<int, int, int> >();
+    }
+
+#if !defined(BOOST_NO_CXX11_HDR_TUPLE)
+    {
+        check<std::tuple<> >();
+        check<std::tuple<int> >();
+        check<std::tuple<int, int> >();
+        check<std::tuple<int, int, int> >();
+    }
+#endif
+}
+