diff options
Diffstat (limited to '3rdParty/Boost/src/boost/fusion/view/transform_view/detail/at_impl.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/fusion/view/transform_view/detail/at_impl.hpp | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/fusion/view/transform_view/detail/at_impl.hpp b/3rdParty/Boost/src/boost/fusion/view/transform_view/detail/at_impl.hpp new file mode 100644 index 0000000..5133de8 --- /dev/null +++ b/3rdParty/Boost/src/boost/fusion/view/transform_view/detail/at_impl.hpp @@ -0,0 +1,63 @@ +/*============================================================================= + 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(BOOST_FUSION_AT_IMPL_20061029_1946) +#define BOOST_FUSION_AT_IMPL_20061029_1946 + +#include <boost/mpl/apply.hpp> +#include <boost/fusion/view/transform_view/detail/apply_transform_result.hpp> +#include <boost/fusion/sequence/intrinsic/at.hpp> + +namespace boost { namespace fusion { + struct transform_view_tag; + struct transform_view2_tag; + + namespace extension + { + template<typename Tag> + struct at_impl; + + template<> + struct at_impl<transform_view_tag> + { + template<typename Seq, typename N> + struct apply + { + typedef typename Seq::transform_type F; + typedef detail::apply_transform_result<F> transform_type; + typedef typename boost::fusion::result_of::at<typename Seq::sequence_type, N>::type value_type; + typedef typename mpl::apply<transform_type, value_type>::type type; + + static type call(Seq& seq) + { + return seq.f(boost::fusion::at<N>(seq.seq)); + } + }; + }; + + template<> + struct at_impl<transform_view2_tag> + { + template<typename Seq, typename N> + struct apply + { + typedef typename Seq::transform_type F; + typedef detail::apply_transform_result<F> transform_type; + typedef typename boost::fusion::result_of::at<typename Seq::sequence1_type, N>::type value1_type; + typedef typename boost::fusion::result_of::at<typename Seq::sequence2_type, N>::type value2_type; + typedef typename mpl::apply<transform_type, value1_type, value2_type>::type type; + + static type call(Seq& seq) + { + return seq.f(boost::fusion::at<N>(seq.seq1), boost::fusion::at<N>(seq.seq2)); + } + }; + }; + } +}} + +#endif |