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-rw-r--r--boost/fusion/container/vector/detail/as_vector.hpp53
1 files changed, 52 insertions, 1 deletions
diff --git a/boost/fusion/container/vector/detail/as_vector.hpp b/boost/fusion/container/vector/detail/as_vector.hpp
index eaaac89638..e2f45b6a04 100644
--- a/boost/fusion/container/vector/detail/as_vector.hpp
+++ b/boost/fusion/container/vector/detail/as_vector.hpp
@@ -1,5 +1,5 @@
/*=============================================================================
- Copyright (c) 2014 Kohei Takahashi
+ Copyright (c) 2014-2015 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)
@@ -8,12 +8,63 @@
#define FUSION_AS_VECTOR_11052014_1801
#include <boost/fusion/support/config.hpp>
+#include <boost/fusion/container/vector/detail/config.hpp>
///////////////////////////////////////////////////////////////////////////////
// Without variadics, we will use the PP version
///////////////////////////////////////////////////////////////////////////////
+#if !defined(BOOST_FUSION_HAS_VARIADIC_VECTOR)
# include <boost/fusion/container/vector/detail/cpp03/as_vector.hpp>
+#else
+///////////////////////////////////////////////////////////////////////////////
+// C++11 interface
+///////////////////////////////////////////////////////////////////////////////
+#include <boost/fusion/support/detail/index_sequence.hpp>
+#include <boost/fusion/container/vector/vector.hpp>
+#include <boost/fusion/iterator/value_of.hpp>
+#include <boost/fusion/iterator/deref.hpp>
+#include <boost/fusion/iterator/advance.hpp>
+#include <cstddef>
+
+namespace boost { namespace fusion { namespace detail
+{
+BOOST_FUSION_BARRIER_BEGIN
+
+ template <typename Indices>
+ struct as_vector_impl;
+
+ template <std::size_t ...Indices>
+ struct as_vector_impl<index_sequence<Indices...> >
+ {
+ template <typename Iterator>
+ struct apply
+ {
+ typedef vector<
+ typename result_of::value_of<
+ typename result_of::advance_c<Iterator, Indices>::type
+ >::type...
+ > type;
+ };
+
+ template <typename Iterator>
+ BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+ static typename apply<Iterator>::type
+ call(Iterator i)
+ {
+ typedef typename apply<Iterator>::type result;
+ return result(*advance_c<Indices>(i)...);
+ }
+ };
+
+ template <int size>
+ struct as_vector
+ : as_vector_impl<typename make_index_sequence<size>::type> {};
+
+BOOST_FUSION_BARRIER_END
+}}}
+
+#endif
#endif