1 2 #ifndef BOOST_MPL_PAIR_HPP_INCLUDED 3 #define BOOST_MPL_PAIR_HPP_INCLUDED 4 5 // Copyright Aleksey Gurtovoy 2001-2004 6 // 7 // Distributed under the Boost Software License, Version 1.0. 8 // (See accompanying file LICENSE_1_0.txt or copy at 9 // http://www.boost.org/LICENSE_1_0.txt) 10 // 11 // See http://www.boost.org/libs/mpl for documentation. 12 13 // $Id: pair.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ 14 // $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $ 15 // $Revision: 49267 $ 16 17 #include <boost/mpl/aux_/msvc_eti_base.hpp> 18 #include <boost/mpl/aux_/na_spec.hpp> 19 #include <boost/mpl/aux_/lambda_support.hpp> 20 #include <boost/mpl/aux_/config/eti.hpp> 21 22 namespace boost { namespace mpl { 23 24 template< 25 typename BOOST_MPL_AUX_NA_PARAM(T1) 26 , typename BOOST_MPL_AUX_NA_PARAM(T2) 27 > 28 struct pair 29 { 30 typedef pair type; 31 typedef T1 first; 32 typedef T2 second; 33 34 BOOST_MPL_AUX_LAMBDA_SUPPORT(2,pair,(T1,T2)) 35 }; 36 37 template< 38 typename BOOST_MPL_AUX_NA_PARAM(P) 39 > 40 struct first 41 { 42 #if !defined(BOOST_MPL_CFG_MSVC_70_ETI_BUG) 43 typedef typename P::first type; 44 #else 45 typedef typename aux::msvc_eti_base<P>::first type; 46 #endif 47 BOOST_MPL_AUX_LAMBDA_SUPPORT(1,first,(P)) 48 }; 49 50 template< 51 typename BOOST_MPL_AUX_NA_PARAM(P) 52 > 53 struct second 54 { 55 #if !defined(BOOST_MPL_CFG_MSVC_70_ETI_BUG) 56 typedef typename P::second type; 57 #else 58 typedef typename aux::msvc_eti_base<P>::second type; 59 #endif 60 BOOST_MPL_AUX_LAMBDA_SUPPORT(1,second,(P)) 61 }; 62 63 64 BOOST_MPL_AUX_NA_SPEC_NO_ETI(2, pair) 65 BOOST_MPL_AUX_NA_SPEC(1, first) 66 BOOST_MPL_AUX_NA_SPEC(1, second) 67 68 }} 69 70 #endif // BOOST_MPL_PAIR_HPP_INCLUDED 71