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29 lines
876 B
29 lines
876 B
3 years ago
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/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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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(FUSION_HAS_KEY_10022005_1617)
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#define FUSION_HAS_KEY_10022005_1617
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#include <boost/fusion/support/config.hpp>
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#include <boost/mpl/has_key.hpp>
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#include <boost/fusion/sequence/intrinsic/has_key.hpp>
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namespace boost { namespace mpl
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{
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template <typename Tag>
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struct has_key_impl;
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template <>
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struct has_key_impl<fusion::fusion_sequence_tag>
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{
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template <typename Sequence, typename Key>
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struct apply : fusion::result_of::has_key<Sequence, Key> {};
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};
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}}
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#endif
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