clear.hpp 1.2 KB

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  1. #ifndef BOOST_MPL_VECTOR_AUX_CLEAR_HPP_INCLUDED
  2. #define BOOST_MPL_VECTOR_AUX_CLEAR_HPP_INCLUDED
  3. // Copyright Aleksey Gurtovoy 2000-2004
  4. //
  5. // Distributed under the Boost Software License, Version 1.0.
  6. // (See accompanying file LICENSE_1_0.txt or copy at
  7. // http://www.boost.org/LICENSE_1_0.txt)
  8. //
  9. // See http://www.boost.org/libs/mpl for documentation.
  10. // $Id$
  11. // $Date$
  12. // $Revision$
  13. #include <boost/mpl/clear_fwd.hpp>
  14. #include <boost/mpl/vector/aux_/vector0.hpp>
  15. #include <boost/mpl/vector/aux_/tag.hpp>
  16. #include <boost/mpl/aux_/config/typeof.hpp>
  17. #include <boost/mpl/aux_/config/ctps.hpp>
  18. namespace boost { namespace mpl {
  19. #if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES)
  20. template<>
  21. struct clear_impl< aux::vector_tag >
  22. {
  23. template< typename Vector > struct apply
  24. {
  25. typedef vector0<> type;
  26. };
  27. };
  28. #else
  29. #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
  30. template< long N >
  31. struct clear_impl< aux::vector_tag<N> >
  32. {
  33. template< typename Vector > struct apply
  34. {
  35. typedef vector0<> type;
  36. };
  37. };
  38. #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
  39. #endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES
  40. }}
  41. #endif // BOOST_MPL_VECTOR_AUX_CLEAR_HPP_INCLUDED