diff options
Diffstat (limited to 'src/third_party/boost-1.60.0/boost/fusion/container/vector/detail/prior_impl.hpp')
-rw-r--r-- | src/third_party/boost-1.60.0/boost/fusion/container/vector/detail/prior_impl.hpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/third_party/boost-1.60.0/boost/fusion/container/vector/detail/prior_impl.hpp b/src/third_party/boost-1.60.0/boost/fusion/container/vector/detail/prior_impl.hpp new file mode 100644 index 00000000000..4d040d3959f --- /dev/null +++ b/src/third_party/boost-1.60.0/boost/fusion/container/vector/detail/prior_impl.hpp @@ -0,0 +1,45 @@ +/*============================================================================= + 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_IMPL_05042005_1145) +#define FUSION_PRIOR_IMPL_05042005_1145 + +#include <boost/fusion/support/config.hpp> +#include <boost/fusion/container/vector/vector_iterator.hpp> + +namespace boost { namespace fusion +{ + struct vector_iterator_tag; + template <typename Vector, int N> + struct vector_iterator; + + namespace extension + { + template <typename Tag> + struct prior_impl; + + template <> + struct prior_impl<vector_iterator_tag> + { + template <typename Iterator> + struct apply + { + typedef typename Iterator::vector vector; + typedef typename Iterator::index index; + typedef vector_iterator<vector, index::value-1> type; + + BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED + static type + call(Iterator const& i) + { + return type(i.vec); + } + }; + }; + } +}} + +#endif |