]> AND Private Git Repository - canny.git/blob - stc/exp/ml_stc_linux_make_v1.0/include/boost/mpl/count_if.hpp
Logo AND Algorithmique Numérique Distribuée

Private GIT Repository
c3058e4375934ff322cb176efbcbd5a8458474bf
[canny.git] / stc / exp / ml_stc_linux_make_v1.0 / include / boost / mpl / count_if.hpp
1 \r
2 #ifndef BOOST_MPL_COUNT_IF_HPP_INCLUDED\r
3 #define BOOST_MPL_COUNT_IF_HPP_INCLUDED\r
4 \r
5 // Copyright Aleksey Gurtovoy 2000-2002\r
6 //\r
7 // Distributed under the Boost Software License, Version 1.0. \r
8 // (See accompanying file LICENSE_1_0.txt or copy at \r
9 // http://www.boost.org/LICENSE_1_0.txt)\r
10 //\r
11 // See http://www.boost.org/libs/mpl for documentation.\r
12 \r
13 // $Id: count_if.hpp 49267 2008-10-11 06:19:02Z agurtovoy $\r
14 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $\r
15 // $Revision: 49267 $\r
16 \r
17 #include <boost/mpl/fold.hpp>\r
18 #include <boost/mpl/next.hpp>\r
19 #include <boost/mpl/integral_c.hpp>\r
20 #include <boost/mpl/identity.hpp>\r
21 #include <boost/mpl/eval_if.hpp>\r
22 #include <boost/mpl/apply.hpp>\r
23 #include <boost/mpl/aux_/msvc_eti_base.hpp>\r
24 #include <boost/mpl/aux_/na_spec.hpp>\r
25 #include <boost/mpl/aux_/lambda_support.hpp>\r
26 #include <boost/mpl/aux_/config/forwarding.hpp>\r
27 \r
28 namespace boost { namespace mpl {\r
29 \r
30 namespace aux {\r
31 \r
32 template< typename Predicate >\r
33 struct next_if\r
34 {\r
35     template<\r
36           typename N\r
37         , typename T\r
38         >\r
39     struct apply\r
40 #if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)\r
41         : eval_if<\r
42               typename apply1<Predicate,T>::type\r
43             , next<N>\r
44             , identity<N>\r
45             >\r
46     {\r
47 #else\r
48     {\r
49         typedef typename eval_if<\r
50               typename apply1<Predicate,T>::type\r
51             , next<N>\r
52             , identity<N>\r
53             >::type type;\r
54 #endif\r
55     };\r
56 };\r
57 \r
58 } // namespace aux\r
59 \r
60 \r
61 template<\r
62       typename BOOST_MPL_AUX_NA_PARAM(Sequence)\r
63     , typename BOOST_MPL_AUX_NA_PARAM(Predicate)\r
64     >\r
65 struct count_if\r
66     : aux::msvc_eti_base< typename fold<\r
67           Sequence\r
68         , integral_c<unsigned long,0>\r
69         , protect< aux::next_if<Predicate> >\r
70         >::type >\r
71 {\r
72     BOOST_MPL_AUX_LAMBDA_SUPPORT(2,count_if,(Sequence,Predicate))\r
73 };\r
74 \r
75 BOOST_MPL_AUX_NA_SPEC(2, count_if)\r
76 \r
77 }}\r
78 \r
79 #endif // BOOST_MPL_COUNT_IF_HPP_INCLUDED\r