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1 |
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2 #ifndef BOOST_MPL_KEY_TYPE_HPP_INCLUDED |
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3 #define BOOST_MPL_KEY_TYPE_HPP_INCLUDED |
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4 |
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5 // Copyright Aleksey Gurtovoy 2003-2004 |
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6 // Copyright David Abrahams 2003-2004 |
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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: key_type.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ |
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15 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ |
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16 // $Revision: 49267 $ |
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17 |
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18 #include <boost/mpl/key_type_fwd.hpp> |
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19 #include <boost/mpl/sequence_tag.hpp> |
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20 #include <boost/mpl/apply_wrap.hpp> |
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21 #include <boost/mpl/aux_/na_spec.hpp> |
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22 #include <boost/mpl/aux_/lambda_support.hpp> |
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23 |
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24 namespace boost { namespace mpl { |
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25 |
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26 template< |
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27 typename BOOST_MPL_AUX_NA_PARAM(AssociativeSequence) |
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28 , typename BOOST_MPL_AUX_NA_PARAM(T) |
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29 > |
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30 struct key_type |
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31 : apply_wrap2< |
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32 key_type_impl< typename sequence_tag<AssociativeSequence>::type > |
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33 , AssociativeSequence, T> |
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34 { |
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35 BOOST_MPL_AUX_LAMBDA_SUPPORT(2,key_type,(AssociativeSequence,T)) |
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36 }; |
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37 |
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38 BOOST_MPL_AUX_NA_SPEC(2, key_type) |
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39 |
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40 }} |
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41 |
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42 #endif // BOOST_MPL_KEY_TYPE_HPP_INCLUDED |