/*=============================================================================
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Copyright (c) 2009 Hartmut Kaiser
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(BOOST_FUSION_VALUE_OF_PRIOR_IMPL_SEP_24_2009_0158PM)
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#define BOOST_FUSION_VALUE_OF_PRIOR_IMPL_SEP_24_2009_0158PM
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#include <boost/fusion/support/config.hpp>
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#include <boost/fusion/iterator/deref.hpp>
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#include <boost/fusion/container/vector.hpp>
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namespace boost { namespace fusion
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{
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struct nview_iterator_tag;
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template <typename Sequence, typename Pos>
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struct nview_iterator;
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namespace extension
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{
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template <typename Tag>
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struct value_of_impl;
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template <>
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struct value_of_impl<nview_iterator_tag>
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{
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template <typename Iterator>
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struct apply
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{
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typedef typename Iterator::first_type first_type;
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typedef typename Iterator::sequence_type sequence_type;
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typedef typename result_of::deref<first_type>::type index;
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typedef typename result_of::at<
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typename sequence_type::sequence_type, index>::type type;
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};
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};
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}
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}}
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#endif
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