/*============================================================================= Copyright (c) 2001-2011 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_COPY_02162011_2308) #define FUSION_COPY_02162011_2308 #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_copy { 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 = *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 copy(Seq1 const& src, Seq2& dest) { BOOST_STATIC_ASSERT( result_of::size<Seq1>::value <= result_of::size<Seq2>::value); detail::sequence_copy< Seq1 const, Seq2>:: call(fusion::begin(src), fusion::begin(dest)); } }} #if defined (BOOST_MSVC) # pragma warning(pop) #endif #endif