Imported Upstream version 1.58.0upstream/1.58.0

Change-Id: If0072143aa26874812e0db6872e1efb10a3e5e94
Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/boost/fusion/adapted/std_tuple/detail/convert_impl.hpp b/boost/fusion/adapted/std_tuple/detail/convert_impl.hpp
new file mode 100644
index 0000000000..96b67b11fd
--- /dev/null
+++ b/boost/fusion/adapted/std_tuple/detail/convert_impl.hpp
@@ -0,0 +1,48 @@
+/*=============================================================================
+    Copyright (c) 2012-2014 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)
+==============================================================================*/
+#if !defined(BOOST_FUSION_CONVERT_IMPL_10172012_0940)
+#define BOOST_FUSION_CONVERT_IMPL_10172012_0940
+
+#include <boost/fusion/support/config.hpp>
+#include <boost/fusion/adapted/std_tuple/detail/build_std_tuple.hpp>
+#include <boost/fusion/sequence/intrinsic/begin.hpp>
+#include <boost/fusion/sequence/intrinsic/end.hpp>
+
+namespace boost { namespace fusion
+{
+    struct std_tuple_tag;
+
+    namespace extension
+    {
+        template <typename T>
+        struct convert_impl;
+
+        template <>
+        struct convert_impl<std_tuple_tag>
+        {
+            template <typename Sequence>
+            struct apply
+            {
+                typedef detail::build_std_tuple<
+                    typename result_of::begin<Sequence>::type
+                  , typename result_of::end<Sequence>::type
+                > gen;
+
+                typedef typename gen::type type;
+
+                BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+                static type
+                call(Sequence& seq)
+                {
+                    return gen::call(begin(seq), end(seq));
+                }
+            };
+        };
+    }
+}}
+
+#endif