Mercurialtest / file revision
summary | shortlog | changelog | graph | tags | bookmarks | branches | files | changeset | file | latest | revisions | annotate | diff | raw | help
epoc32/include/stdapis/boost/mpl/is_sequence.hpp
author William Roberts <williamr@symbian.org>
Tue, 16 Mar 2010 16:12:26 +0000
branchSymbian2
changeset 2 2fe1408b6811
permissions -rw-r--r--
Final list of Symbian^2 public API header files 
     1 

     2 #ifndef BOOST_MPL_IS_SEQUENCE_HPP_INCLUDED

     3 #define BOOST_MPL_IS_SEQUENCE_HPP_INCLUDED

     4 

     5 // Copyright Aleksey Gurtovoy 2002-2004

     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/is_sequence.hpp,v $

    14 // $Date: 2005/08/25 16:27:21 $

    15 // $Revision: 1.9 $

    16 

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

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

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

    20 #include <boost/mpl/if.hpp>

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

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

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

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

    25 #include <boost/mpl/aux_/has_tag.hpp>

    26 #include <boost/mpl/aux_/has_begin.hpp>

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

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

    29 #include <boost/mpl/aux_/config/eti.hpp>

    30 #include <boost/mpl/aux_/config/msvc.hpp>

    31 #include <boost/mpl/aux_/config/workaround.hpp>

    32 #if BOOST_WORKAROUND(BOOST_MSVC, < 1300)

    33 #   include <boost/mpl/aux_/msvc_is_class.hpp>

    34 #elif BOOST_WORKAROUND(BOOST_MSVC, == 1300)

    35 #   include <boost/type_traits/is_class.hpp>

    36 #endif

    37 

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

    39 

    40 namespace boost { namespace mpl {

    41 

    42 #if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)

    43 

    44 namespace aux {

    45 

    46 // agurt, 11/jun/03: 

    47 // MSVC 6.5/7.0 fails if 'has_begin' is instantiated on a class type that has a

    48 // 'begin' member that doesn't name a type; e.g. 'has_begin< std::vector<int> >'

    49 // would fail; requiring 'T' to have _both_ 'tag' and 'begin' members workarounds

    50 // the issue for most real-world cases

    51 template< typename T > struct is_sequence_impl

    52     : and_<

    53           identity< aux::has_tag<T> >

    54         , identity< aux::has_begin<T> >

    55         >

    56 {

    57 };

    58 

    59 } // namespace aux

    60         

    61 template<

    62       typename BOOST_MPL_AUX_NA_PARAM(T)

    63     >

    64 struct is_sequence

    65     : if_<

    66 #if BOOST_WORKAROUND(BOOST_MSVC, < 1300)

    67           aux::msvc_is_class<T> 

    68 #else

    69           boost::is_class<T> 

    70 #endif

    71         , aux::is_sequence_impl<T>

    72         , bool_<false>

    73         >::type

    74 {

    75     BOOST_MPL_AUX_LAMBDA_SUPPORT(1, is_sequence, (T))

    76 };

    77 

    78 #elif defined(BOOST_MPL_CFG_NO_HAS_XXX)

    79 

    80 template<

    81       typename BOOST_MPL_AUX_NA_PARAM(T)

    82     >

    83 struct is_sequence

    84     : bool_<false>

    85 {

    86 };

    87 

    88 #else

    89 

    90 template<

    91       typename BOOST_MPL_AUX_NA_PARAM(T)

    92     >

    93 struct is_sequence

    94     : not_< is_same< typename begin<T>::type, void_ > >

    95 {

    96     BOOST_MPL_AUX_LAMBDA_SUPPORT(1, is_sequence, (T))

    97 };

    98 

    99 #endif // BOOST_MSVC

   100 

   101 #if defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG)

   102 template<> struct is_sequence<int>

   103     : bool_<false>

   104 {

   105 };

   106 #endif

   107 

   108 BOOST_MPL_AUX_NA_SPEC_NO_ETI(1, is_sequence)

   109 

   110 }}

   111 

   112 #endif // BOOST_MPL_IS_SEQUENCE_HPP_INCLUDED
test