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Diffstat (limited to '3rdParty/Boost/src/boost/fusion/iterator/prior.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/fusion/iterator/prior.hpp | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/fusion/iterator/prior.hpp b/3rdParty/Boost/src/boost/fusion/iterator/prior.hpp new file mode 100644 index 0000000..818851b --- /dev/null +++ b/3rdParty/Boost/src/boost/fusion/iterator/prior.hpp @@ -0,0 +1,63 @@ +/*============================================================================= + 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(FUSION_PRIOR_05042005_1144) +#define FUSION_PRIOR_05042005_1144 + +#include <boost/fusion/support/tag_of.hpp> + +namespace boost { namespace fusion +{ + // Special tags: + struct iterator_facade_tag; // iterator facade tag + struct boost_array_iterator_tag; // boost::array iterator tag + struct mpl_iterator_tag; // mpl sequence iterator tag + struct std_pair_iterator_tag; // std::pair iterator tag + + namespace extension + { + template <typename Tag> + struct prior_impl + { + template <typename Iterator> + struct apply {}; + }; + + template <> + struct prior_impl<iterator_facade_tag> + { + template <typename Iterator> + struct apply : Iterator::template prior<Iterator> {}; + }; + + template <> + struct prior_impl<boost_array_iterator_tag>; + + template <> + struct prior_impl<mpl_iterator_tag>; + + template <> + struct prior_impl<std_pair_iterator_tag>; + } + + namespace result_of + { + template <typename Iterator> + struct prior + : extension::prior_impl<typename detail::tag_of<Iterator>::type>:: + template apply<Iterator> + {}; + } + + template <typename Iterator> + typename result_of::prior<Iterator>::type const + prior(Iterator const& i) + { + return result_of::prior<Iterator>::call(i); + } +}} + +#endif |