transform_view.hpp 1.1 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647
  1. #ifndef BOOST_MPL_TRANSFORM_VIEW_HPP_INCLUDED
  2. #define BOOST_MPL_TRANSFORM_VIEW_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/begin_end.hpp>
  14. #include <boost/mpl/lambda.hpp>
  15. #include <boost/mpl/aux_/transform_iter.hpp>
  16. #include <boost/mpl/aux_/na_spec.hpp>
  17. namespace boost { namespace mpl {
  18. template<
  19. typename BOOST_MPL_AUX_NA_PARAM(Sequence)
  20. , typename BOOST_MPL_AUX_NA_PARAM(F)
  21. >
  22. struct transform_view
  23. {
  24. private:
  25. typedef typename lambda<F>::type f_;
  26. typedef typename begin<Sequence>::type first_;
  27. typedef typename end<Sequence>::type last_;
  28. public:
  29. struct tag;
  30. typedef transform_view type;
  31. typedef aux::transform_iter< first_,last_,f_ > begin;
  32. typedef aux::transform_iter< last_,last_,f_ > end;
  33. };
  34. BOOST_MPL_AUX_NA_SPEC(2, transform_view)
  35. }}
  36. #endif // BOOST_MPL_TRANSFORM_VIEW_HPP_INCLUDED