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