ceph/src/boost/boost/fusion/mpl/has_key.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_HAS_KEY_10022005_1617)
   8 #define FUSION_HAS_KEY_10022005_1617
   9
  10 #include <boost/fusion/support/config.hpp>
  11 #include <boost/mpl/has_key.hpp>
  12 #include <boost/fusion/sequence/intrinsic/has_key.hpp>
  13
  14 namespace boost { namespace mpl
  15 {
  16     template <typename Tag>
  17     struct has_key_impl;
  18
  19     template <>
  20     struct has_key_impl<fusion::fusion_sequence_tag>
  21     {
  22         template <typename Sequence, typename Key>
  23         struct apply : fusion::result_of::has_key<Sequence, Key> {};
  24     };
  25 }}
  26
  27 #endif
  28