boost/typeof/type_encoding.hpp

   1 // Copyright (C) 2004 Arkadiy Vertleyb
   2 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   3 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   4
   5 #ifndef BOOST_TYPEOF_TYPE_ENCODING_HPP_INCLUDED
   6 #define BOOST_TYPEOF_TYPE_ENCODING_HPP_INCLUDED
   7
   8 #define BOOST_TYPEOF_REGISTER_TYPE_IMPL(T, Id)                          \
   9                                                                         \
  10     template<class V> struct encode_type_impl<V, T >                    \
  11         : boost::type_of::push_back<V, boost::mpl::size_t<Id> >         \
  12     {};                                                                 \
  13     template<class Iter> struct decode_type_impl<boost::mpl::size_t<Id>, Iter> \
  14     {                                                                   \
  15         typedef T type;                                                 \
  16         typedef Iter iter;                                              \
  17     };
  18
  19 #define BOOST_TYPEOF_REGISTER_TYPE_EXPLICIT_ID(Type, Id)                \
  20     BOOST_TYPEOF_BEGIN_ENCODE_NS                                        \
  21     BOOST_TYPEOF_REGISTER_TYPE_IMPL(Type, Id)                           \
  22     BOOST_TYPEOF_END_ENCODE_NS
  23
  24 #define BOOST_TYPEOF_REGISTER_TYPE(Type)                                \
  25     BOOST_TYPEOF_REGISTER_TYPE_EXPLICIT_ID(Type, BOOST_TYPEOF_UNIQUE_ID())
  26
  27 #endif//BOOST_TYPEOF_TYPE_ENCODING_HPP_INCLUDED