stc/exp/ml_stc_linux_make_v1.0/include/boost/mpl/aux_/contains_impl.hpp

   1 \r
   2 #ifndef BOOST_MPL_AUX_CONTAINS_IMPL_HPP_INCLUDED\r
   3 #define BOOST_MPL_AUX_CONTAINS_IMPL_HPP_INCLUDED\r
   4 \r
   5 // Copyright Eric Friedman 2002\r
   6 // Copyright Aleksey Gurtovoy 2004\r
   7 //\r
   8 // Distributed under the Boost Software License, Version 1.0. \r
   9 // (See accompanying file LICENSE_1_0.txt or copy at \r
  10 // http://www.boost.org/LICENSE_1_0.txt)\r
  11 //\r
  12 // See http://www.boost.org/libs/mpl for documentation.\r
  13 \r
  14 // $Id: contains_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $\r
  15 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $\r
  16 // $Revision: 49267 $\r
  17 \r
  18 #include <boost/mpl/contains_fwd.hpp>\r
  19 #include <boost/mpl/begin_end.hpp>\r
  20 #include <boost/mpl/find.hpp>\r
  21 #include <boost/mpl/not.hpp>\r
  22 #include <boost/mpl/aux_/traits_lambda_spec.hpp>\r
  23 #include <boost/mpl/aux_/config/forwarding.hpp>\r
  24 #include <boost/mpl/aux_/config/static_constant.hpp>\r
  25 \r
  26 #include <boost/type_traits/is_same.hpp>\r
  27 \r
  28 namespace boost { namespace mpl {\r
  29 \r
  30 template< typename Tag >\r
  31 struct contains_impl\r
  32 {\r
  33     template< typename Sequence, typename T > struct apply\r
  34 #if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)\r
  35         : not_< is_same<\r
  36               typename find<Sequence,T>::type\r
  37             , typename end<Sequence>::type\r
  38             > >\r
  39     {\r
  40 #else\r
  41     {\r
  42         typedef not_< is_same<\r
  43               typename find<Sequence,T>::type\r
  44             , typename end<Sequence>::type\r
  45             > > type;\r
  46 \r
  47         BOOST_STATIC_CONSTANT(bool, value = \r
  48               (not_< is_same<\r
  49                   typename find<Sequence,T>::type\r
  50                 , typename end<Sequence>::type\r
  51                 > >::value)\r
  52             );\r
  53 #endif\r
  54     };\r
  55 };\r
  56 \r
  57 BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(2,contains_impl)\r
  58 \r
  59 }}\r
  60 \r
  61 #endif // BOOST_MPL_AUX_CONTAINS_IMPL_HPP_INCLUDED\r