not.hpp 1.0 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051
  1. #ifndef BOOST_MPL_NOT_HPP_INCLUDED
  2. #define BOOST_MPL_NOT_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/bool.hpp>
  14. #include <boost/mpl/aux_/nttp_decl.hpp>
  15. #include <boost/mpl/aux_/nested_type_wknd.hpp>
  16. #include <boost/mpl/aux_/na_spec.hpp>
  17. #include <boost/mpl/aux_/lambda_support.hpp>
  18. namespace boost { namespace mpl {
  19. namespace aux {
  20. template< BOOST_MPL_AUX_NTTP_DECL(long, C_) > // 'long' is intentional here
  21. struct not_impl
  22. : bool_<!C_>
  23. {
  24. };
  25. } // namespace aux
  26. template<
  27. typename BOOST_MPL_AUX_NA_PARAM(T)
  28. >
  29. struct not_
  30. : aux::not_impl<
  31. BOOST_MPL_AUX_NESTED_TYPE_WKND(T)::value
  32. >
  33. {
  34. BOOST_MPL_AUX_LAMBDA_SUPPORT(1,not_,(T))
  35. };
  36. BOOST_MPL_AUX_NA_SPEC(1,not_)
  37. }}
  38. #endif // BOOST_MPL_NOT_HPP_INCLUDED