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1 |
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2 #ifndef BOOST_MPL_PAIR_HPP_INCLUDED |
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3 #define BOOST_MPL_PAIR_HPP_INCLUDED |
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4 |
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5 // Copyright Aleksey Gurtovoy 2001-2004 |
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6 // |
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7 // Distributed under the Boost Software License, Version 1.0. |
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8 // (See accompanying file LICENSE_1_0.txt or copy at |
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9 // http://www.boost.org/LICENSE_1_0.txt) |
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10 // |
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11 // See http://www.boost.org/libs/mpl for documentation. |
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12 |
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13 // $Source: /cvsroot/boost/boost/boost/mpl/pair.hpp,v $ |
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14 // $Date: 2004/12/14 14:05:31 $ |
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15 // $Revision: 1.5 $ |
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16 |
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17 #include <boost/mpl/aux_/msvc_eti_base.hpp> |
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18 #include <boost/mpl/aux_/na_spec.hpp> |
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19 #include <boost/mpl/aux_/lambda_support.hpp> |
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20 #include <boost/mpl/aux_/config/eti.hpp> |
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21 |
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22 namespace boost { namespace mpl { |
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23 |
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24 template< |
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25 typename BOOST_MPL_AUX_NA_PARAM(T1) |
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26 , typename BOOST_MPL_AUX_NA_PARAM(T2) |
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27 > |
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28 struct pair |
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29 { |
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30 typedef pair type; |
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31 typedef T1 first; |
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32 typedef T2 second; |
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33 |
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34 BOOST_MPL_AUX_LAMBDA_SUPPORT(2,pair,(T1,T2)) |
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35 }; |
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36 |
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37 template< |
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38 typename BOOST_MPL_AUX_NA_PARAM(P) |
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39 > |
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40 struct first |
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41 { |
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42 #if !defined(BOOST_MPL_CFG_MSVC_70_ETI_BUG) |
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43 typedef typename P::first type; |
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44 #else |
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45 typedef typename aux::msvc_eti_base<P>::first type; |
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46 #endif |
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47 BOOST_MPL_AUX_LAMBDA_SUPPORT(1,first,(P)) |
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48 }; |
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49 |
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50 template< |
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51 typename BOOST_MPL_AUX_NA_PARAM(P) |
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52 > |
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53 struct second |
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54 { |
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55 #if !defined(BOOST_MPL_CFG_MSVC_70_ETI_BUG) |
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56 typedef typename P::second type; |
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57 #else |
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58 typedef typename aux::msvc_eti_base<P>::second type; |
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59 #endif |
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60 BOOST_MPL_AUX_LAMBDA_SUPPORT(1,second,(P)) |
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61 }; |
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62 |
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63 |
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64 BOOST_MPL_AUX_NA_SPEC_NO_ETI(2, pair) |
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65 BOOST_MPL_AUX_NA_SPEC(1, first) |
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66 BOOST_MPL_AUX_NA_SPEC(1, second) |
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67 |
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68 }} |
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69 |
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70 #endif // BOOST_MPL_PAIR_HPP_INCLUDED |