ceph/src/boost/boost/type_erasure/detail/normalize_deduced.hpp

   1 // Boost.TypeErasure library
   2 //
   3 // Copyright 2011 Steven Watanabe
   4 //
   5 // Distributed under the Boost Software License Version 1.0. (See
   6 // accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8 //
   9 // $Id$
  10
  11 #if !defined(BOOST_PP_IS_ITERATING)
  12
  13 #ifndef BOOST_TYPE_ERASURE_DETAIL_NORMALIZE_DEDUCED_HPP_INCLUDED
  14 #define BOOST_TYPE_ERASURE_DETAIL_NORMALIZE_DEDUCED_HPP_INCLUDED
  15
  16 #include <boost/preprocessor/iteration/iterate.hpp>
  17 #include <boost/preprocessor/repetition/enum.hpp>
  18 #include <boost/preprocessor/repetition/enum_params.hpp>
  19
  20 namespace boost {
  21 namespace type_erasure {
  22 namespace detail {
  23
  24 template<class M, class T>
  25 struct normalize_deduced;
  26 template<class M, class T>
  27 struct normalize_placeholder;
  28
  29 #define BOOST_PP_FILENAME_1 <boost/type_erasure/detail/normalize_deduced.hpp>
  30 #define BOOST_PP_ITERATION_LIMITS (1, BOOST_TYPE_ERASURE_MAX_ARITY)
  31 #include BOOST_PP_ITERATE()
  32
  33 }
  34 }
  35 }
  36
  37 #endif
  38
  39 #else
  40
  41 #define N BOOST_PP_ITERATION()
  42
  43 #define BOOST_TYPE_ERASURE_NORMALIZE_PLACEHOLDER(z, n, data)        \
  44     typename ::boost::type_erasure::detail::normalize_placeholder<  \
  45         M,                                                          \
  46         BOOST_PP_CAT(U, n)                                          \
  47     >::type
  48
  49 template<class M, template<BOOST_PP_ENUM_PARAMS(N, class T)> class T, BOOST_PP_ENUM_PARAMS(N, class U)>
  50 struct normalize_deduced<M, T<BOOST_PP_ENUM_PARAMS(N, U)> >
  51 {
  52     typedef typename ::boost::type_erasure::deduced<
  53         T<BOOST_PP_ENUM(N, BOOST_TYPE_ERASURE_NORMALIZE_PLACEHOLDER, ~)>
  54     >::type type;
  55 };
  56
  57 #undef BOOST_TYPE_ERASURE_NORMALIZE_PLACEHOLDER
  58
  59 #undef N
  60
  61 #endif