ceph/src/boost/libs/vmd/include/boost/vmd/detail/sequence_enum.hpp

   1
   2 //  (C) Copyright Edward Diener 2011-2015
   3 //  Use, modification and distribution are subject to the Boost Software License,
   4 //  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 //  http://www.boost.org/LICENSE_1_0.txt).
   6
   7 #if !defined(BOOST_VMD_DETAIL_SEQUENCE_ENUM_HPP)
   8 #define BOOST_VMD_DETAIL_SEQUENCE_ENUM_HPP
   9
  10 #include <boost/preprocessor/control/iif.hpp>
  11 #include <boost/preprocessor/tuple/enum.hpp>
  12 #include <boost/vmd/empty.hpp>
  13 #include <boost/vmd/is_empty.hpp>
  14 #include <boost/vmd/detail/sequence_to_tuple.hpp>
  15
  16 #define BOOST_VMD_DETAIL_SEQUENCE_ENUM_PROCESS(tuple) \
  17     BOOST_PP_IIF \
  18         ( \
  19         BOOST_VMD_IS_EMPTY(tuple), \
  20         BOOST_VMD_EMPTY, \
  21         BOOST_PP_TUPLE_ENUM \
  22         ) \
  23     (tuple) \
  24 /**/
  25
  26 #define BOOST_VMD_DETAIL_SEQUENCE_ENUM(...) \
  27     BOOST_VMD_DETAIL_SEQUENCE_ENUM_PROCESS \
  28         ( \
  29         BOOST_VMD_DETAIL_SEQUENCE_TO_TUPLE(__VA_ARGS__) \
  30         ) \
  31 /**/
  32
  33 #define BOOST_VMD_DETAIL_SEQUENCE_ENUM_D(d,...) \
  34     BOOST_VMD_DETAIL_SEQUENCE_ENUM_PROCESS \
  35         ( \
  36         BOOST_VMD_DETAIL_SEQUENCE_TO_TUPLE_D(d,__VA_ARGS__) \
  37         ) \
  38 /**/
  39
  40 #endif /* BOOST_VMD_DETAIL_SEQUENCE_ENUM_HPP */