| /*============================================================================= |
| Copyright (c) 2010 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_ADAPTED_ARRAY_AT_IMPL_HPP |
| #define BOOST_FUSION_ADAPTED_ARRAY_AT_IMPL_HPP |
| |
| #include <boost/type_traits/add_reference.hpp> |
| #include <boost/type_traits/remove_extent.hpp> |
| |
| namespace boost { namespace fusion { namespace extension |
| { |
| template<typename> |
| struct at_impl; |
| |
| template<> |
| struct at_impl<po_array_tag> |
| { |
| template<typename Seq, typename N> |
| struct apply |
| { |
| typedef typename |
| add_reference<typename remove_extent<Seq>::type>::type |
| type; |
| |
| static type |
| call(Seq& seq) |
| { |
| return seq[N::value]; |
| } |
| }; |
| }; |
| }}} |
| |
| #endif |