algorithm/transformation/transform.hpp

0001 /*=============================================================================
0002     Copyright (c) 2001-2011 Joel de Guzman
0003
0004     Distributed under the Boost Software License, Version 1.0. (See accompanying
0005     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0006 ==============================================================================*/
0007 #if !defined(FUSION_TRANSFORM_07052005_1057)
0008 #define FUSION_TRANSFORM_07052005_1057
0009
0010 #include <boost/fusion/support/config.hpp>
0011 #include <boost/fusion/view/transform_view/transform_view.hpp>
0012
0013 namespace boost { namespace fusion
0014 {
0015     struct void_;
0016
0017     namespace result_of
0018     {
0019         template <typename Sequence1, typename Sequence2, typename F = void_>
0020         struct transform
0021         {
0022             typedef transform_view<Sequence1, Sequence2, F> type;
0023         };
0024
0025         template <typename Sequence, typename F>
0026 #if defined(BOOST_NO_PARTIAL_SPECIALIZATION_IMPLICIT_DEFAULT_ARGS)
0027         struct transform<Sequence, F, void_>
0028 #else
0029         struct transform<Sequence, F>
0030 #endif
0031         {
0032             typedef transform_view<Sequence, F> type;
0033         };
0034     }
0035
0036     template <typename Sequence, typename F>
0037     BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
0038     inline typename result_of::transform<Sequence const, F>::type
0039     transform(Sequence const& seq, F f)
0040     {
0041         return transform_view<Sequence const, F>(seq, f);
0042     }
0043
0044     template <typename Sequence1, typename Sequence2, typename F>
0045     BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
0046     inline typename result_of::transform<Sequence1 const, Sequence2 const, F>::type
0047     transform(Sequence1 const& seq1, Sequence2 const& seq2, F f)
0048     {
0049         return transform_view<Sequence1 const, Sequence2 const, F>(seq1, seq2, f);
0050     }
0051 }}
0052
0053 #endif
0054