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Diffstat (limited to 'boost/fusion/container/deque/detail/end_impl.hpp')
| -rw-r--r-- | boost/fusion/container/deque/detail/end_impl.hpp | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/boost/fusion/container/deque/detail/end_impl.hpp b/boost/fusion/container/deque/detail/end_impl.hpp new file mode 100644 index 0000000000..0727e00f54 --- /dev/null +++ b/boost/fusion/container/deque/detail/end_impl.hpp @@ -0,0 +1,46 @@ +/*============================================================================= + Copyright (c) 2005-2011 Joel de Guzman + Copyright (c) 2005-2006 Dan Marsden + + 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_DEQUE_END_IMPL_09122006_2034) +#define BOOST_FUSION_DEQUE_END_IMPL_09122006_2034 + +#include <boost/fusion/container/deque/deque_iterator.hpp> + +#include <boost/mpl/equal_to.hpp> +#include <boost/mpl/if.hpp> + +namespace boost { namespace fusion { + + struct deque_tag; + + namespace extension + { + template<typename T> + struct end_impl; + + template<> + struct end_impl<deque_tag> + { + template<typename Sequence> + struct apply + { + typedef typename mpl::if_< + mpl::equal_to<typename Sequence::next_down, typename Sequence::next_up>, + deque_iterator<Sequence, 0>, + deque_iterator< + Sequence, Sequence::next_up::value> >::type type; + + static type call(Sequence& seq) + { + return type(seq); + } + }; + }; + } +}} + +#endif |