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

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  1. #ifndef BOOST_MPL_AUX_TYPE_WRAPPER_HPP_INCLUDED
    2. 

  2. #define BOOST_MPL_AUX_TYPE_WRAPPER_HPP_INCLUDED
    3. 

  3. 

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

  5. // Copyright Peter Dimov 2000-2003
    6. 

  6. //
    7. 

  7. // Distributed under the Boost Software License, Version 1.0. 
    8. 

  8. // (See accompanying file LICENSE_1_0.txt or copy at 
    9. 

  9. // http://www.boost.org/LICENSE_1_0.txt)
    10. 

  10. //
    11. 

  11. // See http://www.boost.org/libs/mpl for documentation.
    12. 

  12. 

  13. // $Id: type_wrapper.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
    14. 

  14. // $Date: 2008-10-11 17:19:02 +1100 (Sat, 11 Oct 2008) $
    15. 

  15. // $Revision: 49267 $
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  16. 

  17. #include <boost/mpl/aux_/config/ctps.hpp>
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  18. 

  19. namespace boost { namespace mpl { namespace aux {
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  20. 

  21. template< typename T > struct type_wrapper
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  22. {
    23. 

  23.     typedef T type;
    24. 

  24. };
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  25. 

  26. #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
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  27. // agurt 08/may/03: a complicated way to extract the wrapped type; need it 
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  28. // mostly for the sake of GCC (3.2.x), which ICEs if you try to extract the 
    29. 

  29. // nested 'type' from 'type_wrapper<T>' when the latter was the result of a
    30. 

  30. // 'typeof' expression
    31. 

  31. template< typename T > struct wrapped_type;
    32. 

  32. 

  33. template< typename T > struct wrapped_type< type_wrapper<T> >
    34. 

  34. {
    35. 

  35.     typedef T type;
    36. 

  36. };
    37. 

  37. #else
    38. 

  38. template< typename W > struct wrapped_type
    39. 

  39. {
    40. 

  40.     typedef typename W::type type;
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  41. };
    42. 

  42. #endif
    43. 

  43. 

  44. }}}
    45. 

  45. 

  46. #endif // BOOST_MPL_AUX_TYPE_WRAPPER_HPP_INCLUDED
    47.