123456789101112131415161718192021222324252627282930313233343536373839 |
- /*=============================================================================
- Copyright (c) 2007 Tobias Schwinger
- 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_ITERATOR_RANGE_VALUE_AT_IMPL_HPP_INCLUDED)
- #define BOOST_FUSION_ITERATOR_RANGE_VALUE_AT_IMPL_HPP_INCLUDED
- #include <boost/fusion/support/config.hpp>
- #include <boost/fusion/iterator/advance.hpp>
- #include <boost/fusion/iterator/value_of.hpp>
- namespace boost { namespace fusion
- {
- struct iterator_range_tag;
- namespace extension
- {
- template <typename Tag>
- struct value_at_impl;
- template <>
- struct value_at_impl<iterator_range_tag>
- {
- template <typename Seq, typename N>
- struct apply
- {
- typedef typename Seq::begin_type begin_type;
- typedef typename result_of::advance<begin_type,N>::type pos;
- typedef typename result_of::value_of<pos>::type type;
- };
- };
- }
- }}
- #endif
|