/Src/Dependencies/Boost/boost/fusion/sequence/comparison/enable_comparison.hpp

http://hadesmem.googlecode.com/ · C++ Header · 34 lines · 24 code · 4 blank · 6 comment · 0 complexity · 85d3d68fe5e211aabe62ebb8e4084f09 MD5 · raw file

  1. /*=============================================================================
  2. Copyright (c) 2001-2006 Joel de Guzman
  3. Distributed under the Boost Software License, Version 1.0. (See accompanying
  4. file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  5. ==============================================================================*/
  6. #if !defined(FUSION_ENABLE_COMPARISON_09232005_1958)
  7. #define FUSION_ENABLE_COMPARISON_09232005_1958
  8. #include <boost/mpl/or.hpp>
  9. #include <boost/mpl/and.hpp>
  10. #include <boost/mpl/not.hpp>
  11. #include <boost/mpl/equal_to.hpp>
  12. #include <boost/fusion/support/sequence_base.hpp>
  13. #include <boost/fusion/support/is_sequence.hpp>
  14. #include <boost/fusion/sequence/intrinsic/size.hpp>
  15. namespace boost { namespace fusion { namespace traits
  16. {
  17. template <typename Seq1, typename Seq2, typename Enable = void>
  18. struct enable_equality
  19. : mpl::or_<traits::is_sequence<Seq1>, traits::is_sequence<Seq2> >
  20. {};
  21. template <typename Seq1, typename Seq2, typename Enable = void>
  22. struct enable_comparison
  23. : mpl::and_<
  24. mpl::or_<traits::is_sequence<Seq1>, traits::is_sequence<Seq2> >
  25. , mpl::equal_to<result_of::size<Seq1>, result_of::size<Seq2> >
  26. >
  27. {};
  28. }}}
  29. #endif