1 /*=============================================================================
2 Copyright (c) 2001-2011 Joel de Guzman
3 Copyright (c) 2011 Eric Niebler
5 Distributed under the Boost Software License, Version 1.0. (See accompanying
6 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7 ==============================================================================*/
8 #if !defined(BOOST_FUSION_SINGLE_VIEW_NEXT_IMPL_05052005_0331)
9 #define BOOST_FUSION_SINGLE_VIEW_NEXT_IMPL_05052005_0331
11 #include <boost/fusion/support/config.hpp>
12 #include <boost/mpl/next.hpp>
13 #include <boost/static_assert.hpp>
15 namespace boost { namespace fusion
17 struct single_view_iterator_tag;
19 template <typename SingleView, typename Pos>
20 struct single_view_iterator;
24 template <typename Tag>
28 struct next_impl<single_view_iterator_tag>
30 template <typename Iterator>
33 typedef single_view_iterator<
34 typename Iterator::single_view_type,
35 typename mpl::next<typename Iterator::position>::type>
38 BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
40 call(Iterator const& i)
42 // Workaround for ICE on GCC 4.0.0.
43 // see https://svn.boost.org/trac/boost/ticket/5808
44 typedef typename type::position position;
45 BOOST_STATIC_ASSERT((position::value < 2));