iterator_category.hpp 820 B

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  1. #ifndef BOOST_MPL_ITERATOR_CATEGORY_HPP_INCLUDED
  2. #define BOOST_MPL_ITERATOR_CATEGORY_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/aux_/na_spec.hpp>
  14. #include <boost/mpl/aux_/lambda_support.hpp>
  15. namespace boost { namespace mpl {
  16. template<
  17. typename BOOST_MPL_AUX_NA_PARAM(Iterator)
  18. >
  19. struct iterator_category
  20. {
  21. typedef typename Iterator::category type;
  22. BOOST_MPL_AUX_LAMBDA_SUPPORT(1,iterator_category,(Iterator))
  23. };
  24. BOOST_MPL_AUX_NA_SPEC(1, iterator_category)
  25. }}
  26. #endif // BOOST_MPL_ITERATOR_CATEGORY_HPP_INCLUDED