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Diffstat (limited to 'boost/fusion/container/vector/detail/cpp03/value_at_impl.hpp')
-rw-r--r-- | boost/fusion/container/vector/detail/cpp03/value_at_impl.hpp | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/boost/fusion/container/vector/detail/cpp03/value_at_impl.hpp b/boost/fusion/container/vector/detail/cpp03/value_at_impl.hpp new file mode 100644 index 0000000000..44feb6002c --- /dev/null +++ b/boost/fusion/container/vector/detail/cpp03/value_at_impl.hpp @@ -0,0 +1,34 @@ +/*============================================================================= + 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_VALUE_AT_IMPL_05052005_0232) +#define FUSION_VALUE_AT_IMPL_05052005_0232 + +#include <boost/fusion/support/config.hpp> +#include <boost/mpl/at.hpp> + +namespace boost { namespace fusion +{ + struct vector_tag; + + namespace extension + { + template <typename Tag> + struct value_at_impl; + + template <> + struct value_at_impl<vector_tag> + { + template <typename Sequence, typename N> + struct apply + { + typedef typename mpl::at<typename Sequence::types, N>::type type; + }; + }; + } +}} + +#endif |