ceph/src/boost/libs/signals2/include/boost/signals2/detail/preprocessed_arg_type_template.hpp

   1 // Copyright Frank Mori Hess 2009
   2 //
   3 // Use, modification and
   4 // distribution is subject to the Boost Software License, Version
   5 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   6 // http://www.boost.org/LICENSE_1_0.txt)
   7
   8 // For more information, see http://www.boost.org
   9
  10 // This file is included iteratively, and should not be protected from multiple inclusion
  11
  12 #define BOOST_SIGNALS2_NUM_ARGS BOOST_PP_ITERATION()
  13
  14 namespace boost
  15 {
  16   namespace signals2
  17   {
  18     namespace detail
  19     {
  20       template<unsigned n BOOST_PP_COMMA_IF(BOOST_SIGNALS2_NUM_ARGS)
  21         BOOST_SIGNALS2_ARGS_TEMPLATE_DECL(BOOST_SIGNALS2_NUM_ARGS)>
  22         class BOOST_SIGNALS2_PREPROCESSED_ARG_N_TYPE_CLASS_NAME(BOOST_SIGNALS2_NUM_ARGS);
  23
  24 // template<typename T1, typename T2, ... , typename TN> class preprocessed_arg_typeN<n, T1, T2, ..., TN>{...} ...
  25 #define BOOST_SIGNALS2_PREPROCESSED_ARG_TYPE_CLASS_TEMPLATE_SPECIALIZATION(z, n, data) \
  26   template<BOOST_SIGNALS2_ARGS_TEMPLATE_DECL(BOOST_SIGNALS2_NUM_ARGS)> \
  27   class BOOST_SIGNALS2_PREPROCESSED_ARG_N_TYPE_CLASS_NAME(BOOST_SIGNALS2_NUM_ARGS)<n, \
  28     BOOST_SIGNALS2_ARGS_TEMPLATE_INSTANTIATION(BOOST_SIGNALS2_NUM_ARGS)> \
  29   { \
  30   public: \
  31     typedef BOOST_PP_CAT(T, BOOST_PP_INC(n)) type; \
  32   };
  33       BOOST_PP_REPEAT(BOOST_SIGNALS2_NUM_ARGS, BOOST_SIGNALS2_PREPROCESSED_ARG_TYPE_CLASS_TEMPLATE_SPECIALIZATION, ~)
  34
  35     } // namespace detail
  36   } // namespace signals2
  37 } // namespace boost
  38
  39 #undef BOOST_SIGNALS2_NUM_ARGS