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Diffstat (limited to '3rdParty/Boost/src/boost/fusion/view/reverse_view/detail/advance_impl.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/fusion/view/reverse_view/detail/advance_impl.hpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/fusion/view/reverse_view/detail/advance_impl.hpp b/3rdParty/Boost/src/boost/fusion/view/reverse_view/detail/advance_impl.hpp new file mode 100644 index 0000000..cd0a730 --- /dev/null +++ b/3rdParty/Boost/src/boost/fusion/view/reverse_view/detail/advance_impl.hpp @@ -0,0 +1,47 @@ +/*============================================================================= + Copyright (c) 2001-2011 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(FUSION_ADVANCE_IMPL_14122005_2015) +#define FUSION_ADVANCE_IMPL_14122005_2015 + +#include <boost/fusion/iterator/advance.hpp> +#include <boost/mpl/negate.hpp> + +namespace boost { namespace fusion { + + struct reverse_view_iterator_tag; + + template <typename Iterator> + struct reverse_view_iterator; + + namespace extension + { + template<typename Tag> + struct advance_impl; + + template<> + struct advance_impl<reverse_view_iterator_tag> + { + template<typename Iterator, typename Dist> + struct apply + { + typedef typename Iterator::first_type first_type; + typedef typename mpl::negate<Dist>::type negative_dist; + typedef typename result_of::advance<first_type, negative_dist>::type advanced_type; + typedef reverse_view_iterator<advanced_type> type; + + static type + call(Iterator const& i) + { + return type(boost::fusion::advance<negative_dist>(i.first)); + } + }; + }; + } +}} + +#endif |