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

http://hadesmem.googlecode.com/ · C++ Header · 49 lines · 28 code · 11 blank · 10 comment · 0 complexity · 5a1343410d5380f1b7ca3e6531b07123 MD5 · raw file 

    

  1. #ifndef BOOST_MPL_SWITCH_HPP_INCLUDED
    2. 

  2. #define BOOST_MPL_SWITCH_HPP_INCLUDED
    3. 

  3. 

  4. // Copyright Aleksey Gurtovoy 2003-2004
    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: switch.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
    13. 

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

  14. // $Revision: 49267 $
    15. 

  15. 

  16. #include <boost/mpl/find_if.hpp>
    17. 

  17. #include <boost/mpl/deref.hpp>
    18. 

  18. #include <boost/mpl/lambda.hpp>
    19. 

  19. #include <boost/mpl/apply.hpp>
    20. 

  20. #include <boost/mpl/pair.hpp>
    21. 

  21. #include <boost/mpl/aux_/na_spec.hpp>
    22. 

  22. #include <boost/mpl/aux_/lambda_support.hpp>
    23. 

  23. 

  24. namespace boost { namespace mpl {
    25. 

  25. 

  26. template< 
    27. 

  27.       typename BOOST_MPL_AUX_NA_PARAM(Body)
    28. 

  28.     , typename BOOST_MPL_AUX_NA_PARAM(T)
    29. 

  29.     >
    30. 

  30. struct switch_
    31. 

  31. {
    32. 

  32.     typedef typename find_if<
    33. 

  33.           Body
    34. 

  34.         , apply1< lambda< first<_1> >, T >
    35. 

  35.         >::type iter_;
    36. 

  36.         
    37. 

  37.     typedef typename deref<iter_>::type pair_;
    38. 

  38.     typedef typename lambda< typename second<pair_>::type >::type f_;
    39. 

  39.     typedef typename apply1<f_,T>::type type;
    40. 

  40. 

  41.     BOOST_MPL_AUX_LAMBDA_SUPPORT(2,switch_,(Body,T))
    42. 

  42. };
    43. 

  43. 

  44. BOOST_MPL_AUX_NA_SPEC(2, switch_)
    45. 

  45. 

  46. }}
    47. 

  47. 

  48. #endif // BOOST_MPL_SWITCH_HPP_INCLUDED
    49.