| 12345678910111213141516171819202122232425262728 | /*=============================================================================    Copyright (c) 2001-2011 Joel de Guzman    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(FUSION_HAS_KEY_10022005_1617)#define FUSION_HAS_KEY_10022005_1617#include <boost/fusion/support/config.hpp>#include <boost/mpl/has_key.hpp>#include <boost/fusion/sequence/intrinsic/has_key.hpp>namespace boost { namespace mpl{    template <typename Tag>    struct has_key_impl;    template <>    struct has_key_impl<fusion::fusion_sequence_tag>    {        template <typename Sequence, typename Key>        struct apply : fusion::result_of::has_key<Sequence, Key> {};    };}}#endif
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