1 /*=============================================================================
2 Copyright (c) 2001-2006 Joel de Guzman
4 Distributed under the Boost Software License, Version 1.0. (See accompanying
5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 ==============================================================================*/
7 #if !defined(FUSION_VALUE_AT_IMPL_05052005_0232)
8 #define FUSION_VALUE_AT_IMPL_05052005_0232
10 #include <boost/mpl/at.hpp>
12 namespace boost { namespace fusion
18 template <typename Tag>
22 struct value_at_impl<vector_tag>
24 template <typename Sequence, typename N>
27 typedef typename mpl::at<typename Sequence::types, N>::type type;