/Src/Dependencies/Boost/boost/mpl/always.hpp

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  1. #ifndef BOOST_MPL_ALWAYS_HPP_INCLUDED
    2. 

  2. #define BOOST_MPL_ALWAYS_HPP_INCLUDED
    3. 

  3. 

  4. // Copyright Aleksey Gurtovoy 2001-2004
    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. //
    10. 

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

  11. 

  12. // $Id: always.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/aux_/preprocessor/def_params_tail.hpp>
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  17. #include <boost/mpl/aux_/na.hpp>
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  18. #include <boost/mpl/aux_/arity_spec.hpp>
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  19. 

  20. namespace boost { namespace mpl {
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  21. 

  22. template< typename Value > struct always
    23. 

  23. {
    24. 

  24.     template<
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  25.           typename T
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  26.         BOOST_MPL_PP_NESTED_DEF_PARAMS_TAIL(1, typename T, na)
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  27.         >
    28. 

  28.     struct apply
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  29.     {
    30. 

  30.         typedef Value type;
    31. 

  31.     };
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  32. };
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  33. 

  34. BOOST_MPL_AUX_ARITY_SPEC(1, always)
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  35. 

  36. }}
    37. 

  37. 

  38. #endif // BOOST_MPL_ALWAYS_HPP_INCLUDED
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