|
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: 2008-10-11 02:19:02 -0400 (Sat, 11 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 |