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- /*=============================================================================
- 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(BOOST_FUSION_END_IMPL_09272006_0721)
- #define BOOST_FUSION_END_IMPL_09272006_0721
- #include <boost/fusion/support/config.hpp>
- #include <boost/fusion/adapted/boost_tuple/boost_tuple_iterator.hpp>
- #include <boost/mpl/if.hpp>
- #include <boost/type_traits/is_const.hpp>
- namespace boost { namespace tuples
- {
- struct null_type;
- }}
-
- namespace boost { namespace fusion
- {
- struct boost_tuple_tag;
- namespace extension
- {
- template <typename Tag>
- struct end_impl;
- template <>
- struct end_impl<boost_tuple_tag>
- {
- template <typename Sequence>
- struct apply
- {
- typedef
- boost_tuple_iterator<
- typename mpl::if_<
- is_const<Sequence>
- , tuples::null_type const
- , tuples::null_type
- >::type
- >
- type;
- BOOST_FUSION_GPU_ENABLED
- static type
- call(Sequence& seq)
- {
- return type(seq);
- }
- };
- };
- }
- }}
- #endif
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