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Diffstat (limited to 'boost/fusion/algorithm/auxiliary/move.hpp')
-rw-r--r-- | boost/fusion/algorithm/auxiliary/move.hpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/boost/fusion/algorithm/auxiliary/move.hpp b/boost/fusion/algorithm/auxiliary/move.hpp new file mode 100644 index 0000000000..688f54a9f2 --- /dev/null +++ b/boost/fusion/algorithm/auxiliary/move.hpp @@ -0,0 +1,89 @@ +/*============================================================================= + 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/support/config.hpp> +#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> + BOOST_FUSION_GPU_ENABLED + static void + call(I1 const&, I2 const&, mpl::true_) + { + } + + template <typename I1, typename I2> + BOOST_FUSION_GPU_ENABLED + 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> + BOOST_FUSION_GPU_ENABLED + 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> + BOOST_FUSION_GPU_ENABLED + 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 |