MercurialSymaptic / file revision
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | file | latest | revisions | annotate | diff | raw | help
os/ossrv/ossrv_pub/boost_apis/boost/mpl/equal.hpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib. 
     1 

     2 #ifndef BOOST_MPL_EQUAL_HPP_INCLUDED

     3 #define BOOST_MPL_EQUAL_HPP_INCLUDED

     4 

     5 // Copyright Aleksey Gurtovoy 2000-2004

     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 // $Source: /cvsroot/boost/boost/boost/mpl/equal.hpp,v $

    14 // $Date: 2004/09/02 15:40:41 $

    15 // $Revision: 1.6 $

    16 

    17 #include <boost/mpl/aux_/iter_fold_if_impl.hpp>

    18 #include <boost/mpl/aux_/iter_apply.hpp>

    19 #include <boost/mpl/and.hpp>

    20 #include <boost/mpl/not.hpp>

    21 #include <boost/mpl/begin_end.hpp>

    22 #include <boost/mpl/next.hpp>

    23 #include <boost/mpl/always.hpp>

    24 #include <boost/mpl/bool.hpp>

    25 #include <boost/mpl/lambda.hpp>

    26 #include <boost/mpl/bind.hpp>

    27 #include <boost/mpl/apply.hpp>

    28 #include <boost/mpl/void.hpp>

    29 #include <boost/mpl/aux_/na_spec.hpp>

    30 #include <boost/mpl/aux_/lambda_support.hpp>

    31 #include <boost/mpl/aux_/msvc_eti_base.hpp>

    32 

    33 #include <boost/type_traits/is_same.hpp>

    34 

    35 namespace boost { namespace mpl {

    36 

    37 namespace aux {

    38 

    39 template<

    40       typename Predicate

    41     , typename LastIterator1

    42     , typename LastIterator2

    43     >

    44 struct equal_pred

    45 {

    46     template<

    47           typename Iterator2

    48         , typename Iterator1

    49         >

    50     struct apply

    51     {

    52         typedef typename and_< 

    53               not_< is_same<Iterator1,LastIterator1> >

    54             , not_< is_same<Iterator2,LastIterator2> >

    55             , aux::iter_apply2<Predicate,Iterator1,Iterator2>

    56             >::type type;

    57     };

    58 };

    59 

    60 template<

    61       typename Sequence1

    62     , typename Sequence2

    63     , typename Predicate

    64     >

    65 struct equal_impl

    66 {

    67     typedef typename begin<Sequence1>::type first1_;

    68     typedef typename begin<Sequence2>::type first2_;

    69     typedef typename end<Sequence1>::type last1_;

    70     typedef typename end<Sequence2>::type last2_;

    71 

    72     typedef aux::iter_fold_if_impl<

    73           first1_

    74         , first2_

    75         , next<>

    76         , protect< aux::equal_pred<Predicate,last1_,last2_> >

    77         , void_

    78         , always<false_>

    79         > fold_;

    80 

    81     typedef typename fold_::iterator iter1_;

    82     typedef typename fold_::state iter2_;

    83     typedef and_<

    84           is_same<iter1_,last1_>

    85         , is_same<iter2_,last2_>

    86         > result_;

    87 

    88     typedef typename result_::type type;

    89 };

    90 

    91 

    92 } // namespace aux

    93 

    94 

    95 template<

    96       typename BOOST_MPL_AUX_NA_PARAM(Sequence1)

    97     , typename BOOST_MPL_AUX_NA_PARAM(Sequence2)

    98     , typename Predicate = is_same<_,_>

    99     >

   100 struct equal

   101     : aux::msvc_eti_base< 

   102           typename aux::equal_impl<Sequence1,Sequence2,Predicate>::type

   103         >::type

   104 {

   105     BOOST_MPL_AUX_LAMBDA_SUPPORT(2,equal,(Sequence1,Sequence2))

   106 };

   107 

   108 BOOST_MPL_AUX_NA_SPEC(2, equal)

   109 

   110 }}

   111 

   112 #endif // BOOST_MPL_EQUAL_HPP_INCLUDED
Symaptic