/Src/Dependencies/Boost/boost/mpl/aux_/empty_impl.hpp

http://hadesmem.googlecode.com/ · C++ Header · 43 lines · 21 code · 10 blank · 12 comment · 0 complexity · 9ac35831577a68a0934d956eca4447f5 MD5 · raw file 

    

  1. #ifndef BOOST_MPL_AUX_EMPTY_IMPL_HPP_INCLUDED
    2. 

  2. #define BOOST_MPL_AUX_EMPTY_IMPL_HPP_INCLUDED
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  3. 

  4. // Copyright Aleksey Gurtovoy 2000-2004
    5. 

  5. //
    6. 

  6. // Distributed under the Boost Software License, Version 1.0. 
    7. 

  7. // (See accompanying file LICENSE_1_0.txt or copy at 
    8. 

  8. // http://www.boost.org/LICENSE_1_0.txt)
    9. 

  9. //
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  10. // See http://www.boost.org/libs/mpl for documentation.
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  11. 

  12. // $Id: empty_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
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  13. // $Date: 2008-10-11 17:19:02 +1100 (Sat, 11 Oct 2008) $
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  14. // $Revision: 49267 $
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  15. 

  16. #include <boost/mpl/empty_fwd.hpp>
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  17. #include <boost/mpl/begin_end.hpp>
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  18. #include <boost/mpl/aux_/traits_lambda_spec.hpp>
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  19. #include <boost/type_traits/is_same.hpp>
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  20. 

  21. namespace boost { namespace mpl {
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  22. 

  23. // default implementation; conrete sequences might override it by 
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  24. // specializing either the 'empty_impl' or the primary 'empty' template
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  25. 

  26. template< typename Tag >
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  27. struct empty_impl
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  28. {
    29. 

  29.     template< typename Sequence > struct apply
    30. 

  30.         : is_same<
    31. 

  31.               typename begin<Sequence>::type
    32. 

  32.             , typename end<Sequence>::type
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  33.             >
    34. 

  34.     {
    35. 

  35.     };
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  36. };
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  37. 

  38. BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(1,empty_impl)
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  39. 

  40. }}
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  41. 

  42. #endif // BOOST_MPL_AUX_EMPTY_IMPL_HPP_INCLUDED
    43.