ceph/src/boost/libs/metaparse/include/boost/metaparse/v1/fail_tag.hpp

   1 #ifndef BOOST_METAPARSE_V1_FAIL_TAG_HPP
   2 #define BOOST_METAPARSE_V1_FAIL_TAG_HPP
   3
   4 // Copyright Abel Sinkovics (abel@sinkovics.hu)  2009 - 2012.
   5 // Distributed under the Boost Software License, Version 1.0.
   6 //    (See accompanying file LICENSE_1_0.txt or copy at
   7 //          http://www.boost.org/LICENSE_1_0.txt)
   8
   9
  10 #include <boost/metaparse/v1/fwd/get_message.hpp>
  11 #include <boost/metaparse/v1/fwd/get_position.hpp>
  12
  13 #include <iostream>
  14
  15 namespace boost
  16 {
  17   namespace metaparse
  18   {
  19     namespace v1
  20     {
  21       struct fail_tag { typedef fail_tag type; };
  22
  23       template <>
  24       struct get_message_impl<fail_tag>
  25       {
  26         template <class A>
  27         struct apply { typedef typename A::message type; };
  28       };
  29
  30       template <>
  31       struct get_position_impl<fail_tag>
  32       {
  33         template <class A>
  34         struct apply : A::source_position {};
  35       };
  36     }
  37   }
  38 }
  39
  40 #endif
  41
  42