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| 2 | #ifndef BOOST_MPL_AUX_HAS_KEY_IMPL_HPP_INCLUDED |
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| 3 | #define BOOST_MPL_AUX_HAS_KEY_IMPL_HPP_INCLUDED |
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| 4 | |
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| 5 | // Copyright Aleksey Gurtovoy 2002-2004 |
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| 6 | // Copyright David Abrahams 2003 |
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| 7 | // |
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| 8 | // Distributed under the Boost Software License, Version 1.0. |
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| 9 | // (See accompanying file LICENSE_1_0.txt or copy at |
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| 10 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 11 | // |
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| 12 | // See http://www.boost.org/libs/mpl for documentation. |
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| 13 | |
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| 14 | // $Id$ |
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| 15 | // $Date$ |
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| 16 | // $Revision$ |
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| 17 | |
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| 18 | #include <boost/mpl/has_key_fwd.hpp> |
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| 19 | #include <boost/mpl/aux_/traits_lambda_spec.hpp> |
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| 20 | |
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| 21 | namespace boost { namespace mpl { |
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| 22 | |
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| 23 | // no default implementation; the definition is needed to make MSVC happy |
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| 24 | |
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| 25 | template< typename Tag > struct has_key_impl |
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| 26 | { |
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| 27 | template< typename AssociativeSequence, typename Key > struct apply; |
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| 28 | }; |
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| 29 | |
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| 30 | BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(2,has_key_impl) |
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| 31 | |
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| 32 | }} |
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| 33 | |
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| 34 | #endif // BOOST_MPL_AUX_HAS_KEY_IMPL_HPP_INCLUDED |
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| 35 | |
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