ceph/src/boost/libs/fusion/include/boost/fusion/algorithm/query/none.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2011 Joel de Guzman
   3     Copyright (c) 2007 Dan Marsden
   4
   5     Distributed under the Boost Software License, Version 1.0. (See accompanying
   6     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   7 ==============================================================================*/
   8 #if !defined(BOOST_FUSION_NONE_07062005_1128)
   9 #define BOOST_FUSION_NONE_07062005_1128
  10
  11 #include <boost/fusion/support/config.hpp>
  12 #include <boost/fusion/algorithm/query/any.hpp>
  13
  14 namespace boost { namespace fusion
  15 {
  16     namespace result_of
  17     {
  18         template <typename Sequence, typename F>
  19         struct none
  20         {
  21             typedef bool type;
  22         };
  23     }
  24
  25     template <typename Sequence, typename F>
  26     BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
  27     inline bool
  28     none(Sequence const& seq, F f)
  29     {
  30         return !fusion::any(seq, f);
  31     }
  32 }}
  33
  34 #endif
  35