ceph/src/boost/libs/fusion/include/boost/fusion/algorithm/transformation/remove_if.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2011 Joel de Guzman
   3
   4     Distributed under the Boost Software License, Version 1.0. (See accompanying
   5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 ==============================================================================*/
   7 #if !defined(FUSION_REMOVE_IF_07162005_0818)
   8 #define FUSION_REMOVE_IF_07162005_0818
   9
  10 #include <boost/fusion/support/config.hpp>
  11 #include <boost/fusion/view/filter_view/filter_view.hpp>
  12 #include <boost/mpl/not.hpp>
  13 #include <boost/type_traits/is_same.hpp>
  14
  15 namespace boost { namespace fusion
  16 {
  17     namespace result_of
  18     {
  19         template <typename Sequence, typename Pred>
  20         struct remove_if
  21         {
  22             typedef filter_view<Sequence, mpl::not_<Pred> > type;
  23         };
  24     }
  25
  26     template <typename Pred, typename Sequence>
  27     BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  28     inline typename result_of::remove_if<Sequence const, Pred>::type
  29     remove_if(Sequence const& seq)
  30     {
  31         typedef typename result_of::remove_if<Sequence const, Pred>::type result_type;
  32         return result_type(seq);
  33     }
  34 }}
  35
  36 #endif
  37