type_encoding.hpp 1.4 KB

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  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. #ifndef BOOST_TYPEOF_TYPE_ENCODING_HPP_INCLUDED
  5. #define BOOST_TYPEOF_TYPE_ENCODING_HPP_INCLUDED
  6. #define BOOST_TYPEOF_REGISTER_TYPE_IMPL(T, Id) \
  7. \
  8. template<class V> struct encode_type_impl<V, T > \
  9. : boost::type_of::push_back<V, boost::type_of::constant<std::size_t,Id> > \
  10. {}; \
  11. template<class Iter> struct decode_type_impl<boost::type_of::constant<std::size_t,Id>, Iter> \
  12. { \
  13. typedef T type; \
  14. typedef Iter iter; \
  15. };
  16. #define BOOST_TYPEOF_REGISTER_TYPE_EXPLICIT_ID(Type, Id) \
  17. BOOST_TYPEOF_BEGIN_ENCODE_NS \
  18. BOOST_TYPEOF_REGISTER_TYPE_IMPL(Type, Id) \
  19. BOOST_TYPEOF_END_ENCODE_NS
  20. #define BOOST_TYPEOF_REGISTER_TYPE(Type) \
  21. BOOST_TYPEOF_REGISTER_TYPE_EXPLICIT_ID(Type, BOOST_TYPEOF_UNIQUE_ID())
  22. #endif//BOOST_TYPEOF_TYPE_ENCODING_HPP_INCLUDED