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Diffstat (limited to '3rdParty/Boost/src/boost/fusion/view/reverse_view/detail/at_impl.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/fusion/view/reverse_view/detail/at_impl.hpp | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/fusion/view/reverse_view/detail/at_impl.hpp b/3rdParty/Boost/src/boost/fusion/view/reverse_view/detail/at_impl.hpp new file mode 100644 index 0000000..2e84259 --- /dev/null +++ b/3rdParty/Boost/src/boost/fusion/view/reverse_view/detail/at_impl.hpp @@ -0,0 +1,41 @@ +/*============================================================================= + Copyright (c) 2009 Christopher Schmidt + + 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) +==============================================================================*/ + +#ifndef BOOST_FUSION_VIEW_REVERSE_VIEW_DETAIL_AT_IMPL_HPP +#define BOOST_FUSION_VIEW_REVERSE_VIEW_DETAIL_AT_IMPL_HPP + +#include <boost/fusion/sequence/intrinsic/at.hpp> +#include <boost/mpl/minus.hpp> +#include <boost/mpl/int.hpp> + +namespace boost { namespace fusion { namespace extension +{ + template <typename> + struct at_impl; + + template <> + struct at_impl<reverse_view_tag> + { + template <typename Seq, typename N> + struct apply + { + typedef mpl::minus<typename Seq::size, mpl::int_<1>, N> real_n; + + typedef typename + result_of::at<typename Seq::seq_type, real_n>::type + type; + + static type + call(Seq& seq) + { + return fusion::at<real_n>(seq.seq); + } + }; + }; +}}} + +#endif |