Added fusion::move algorithm

[SVN r82550]

include/boost/fusion/algorithm/auxiliary/move.hpp

@@ -0,0 +1,84 @@
+/*=============================================================================
+    Copyright (c) 2001-2013 Joel de Guzman
+
+    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)
+==============================================================================*/
+#if !defined(FUSION_MOVE_01192013_2225)
+#define FUSION_MOVE_01192013_2225
+
+#include <boost/fusion/sequence/intrinsic/begin.hpp>
+#include <boost/fusion/sequence/intrinsic/end.hpp>
+#include <boost/fusion/sequence/intrinsic/size.hpp>
+#include <boost/fusion/sequence/comparison/detail/equal_to.hpp>
+#include <boost/fusion/support/is_sequence.hpp>
+#include <boost/config.hpp>
+#include <boost/static_assert.hpp>
+#include <boost/utility/enable_if.hpp>
+#include <boost/type_traits/ice.hpp>
+
+#if defined (BOOST_MSVC)
+#  pragma warning(push)
+#  pragma warning (disable: 4100) // unreferenced formal parameter
+#endif
+
+namespace boost { namespace fusion
+{
+    namespace detail
+    {
+        template <typename Seq1, typename Seq2>
+        struct sequence_move
+        {
+            typedef typename result_of::end<Seq1>::type end1_type;
+            typedef typename result_of::end<Seq2>::type end2_type;
+
+            template <typename I1, typename I2>
+            static void
+            call(I1 const&, I2 const&, mpl::true_)
+            {
+            }
+
+            template <typename I1, typename I2>
+            static void
+            call(I1 const& src, I2 const& dest, mpl::false_)
+            {
+                *dest = std::move(*src);
+                call(fusion::next(src), fusion::next(dest));
+            }
+
+            template <typename I1, typename I2>
+            static void
+            call(I1 const& src, I2 const& dest)
+            {
+                typename result_of::equal_to<I1, end1_type>::type eq;
+                return call(src, dest, eq);
+            }
+        };
+    }
+
+    template <typename Seq1, typename Seq2>
+    inline
+    typename
+        enable_if_c<
+            type_traits::ice_and<
+                traits::is_sequence<Seq1>::value
+              , traits::is_sequence<Seq2>::value
+            >::value,
+            void
+        >::type
+    move(Seq1&& src, Seq2& dest)
+    {
+        BOOST_STATIC_ASSERT(
+            result_of::size<Seq1>::value == result_of::size<Seq2>::value);
+
+        detail::sequence_move<
+            Seq1, Seq2>::
+            call(fusion::begin(src), fusion::begin(dest));
+    }
+}}
+
+#if defined (BOOST_MSVC)
+#  pragma warning(pop)
+#endif
+
+#endif

include/boost/fusion/include/move.hpp

@@ -0,0 +1,12 @@
+/*=============================================================================
+    Copyright (c) 2001-2013 Joel de Guzman
+
+    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)
+==============================================================================*/
+#if !defined(FUSION_INCLUDE_MOVE)
+#define FUSION_INCLUDE_MOVE
+
+#include <boost/fusion/algorithm/auxiliary/move.hpp>
+
+#endif