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
40