intrinsic/detail/segmented_begin.hpp

0001 /*=============================================================================
0002     Copyright (c) 2011 Eric Niebler
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(BOOST_FUSION_SEGMENTED_BEGIN_HPP_INCLUDED)
0008 #define BOOST_FUSION_SEGMENTED_BEGIN_HPP_INCLUDED
0009
0010 #include <boost/fusion/support/config.hpp>
0011 #include <boost/fusion/sequence/intrinsic/detail/segmented_begin_impl.hpp>
0012 #include <boost/fusion/iterator/segmented_iterator.hpp>
0013 #include <boost/fusion/view/iterator_range.hpp>
0014 #include <boost/fusion/sequence/intrinsic/begin.hpp>
0015 #include <boost/fusion/sequence/intrinsic/end.hpp>
0016 #include <boost/fusion/sequence/intrinsic/empty.hpp>
0017 #include <boost/fusion/container/list/cons.hpp>
0018
0019 namespace boost { namespace fusion { namespace detail
0020 {
0021     //auto segmented_begin( seq )
0022     //{
0023     //    return make_segmented_iterator( segmented_begin_impl( seq, nil_ ) );
0024     //}
0025
0026     template <typename Sequence, typename Nil_ = fusion::nil_>
0027     struct segmented_begin
0028     {
0029         typedef
0030             segmented_iterator<
0031                 typename segmented_begin_impl<Sequence, Nil_>::type
0032             >
0033         type;
0034
0035         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
0036         static type call(Sequence& seq)
0037         {
0038             return type(
0039                 segmented_begin_impl<Sequence, Nil_>::call(seq, Nil_()));
0040         }
0041     };
0042
0043 }}}
0044
0045 #endif