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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 | // $Id$ | |
14 | // $Date$ | |
15 | // $Revision$ | |
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 |