/extlibs/Boost/include/boost/bind/arg.hpp

https://bitbucket.org/hugoruscitti/pilascpp · C++ Header · 62 lines · 35 code · 14 blank · 13 comment · 2 complexity · bfc10da8a35647fffc4fd364ee2664e3 MD5 · raw file 

    

  1. #ifndef BOOST_BIND_ARG_HPP_INCLUDED
    2. 

  2. #define BOOST_BIND_ARG_HPP_INCLUDED
    3. 

  3. 

  4. // MS compatible compilers support #pragma once
    5. 

  5. 

  6. #if defined(_MSC_VER) && (_MSC_VER >= 1020)
    7. 

  7. # pragma once
    8. 

  8. #endif
    9. 

  9. 

  10. //
    11. 

  11. //  bind/arg.hpp
    12. 

  12. //
    13. 

  13. //  Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
    14. 

  14. //
    15. 

  15. // Distributed under the Boost Software License, Version 1.0. (See
    16. 

  16. // accompanying file LICENSE_1_0.txt or copy at
    17. 

  17. // http://www.boost.org/LICENSE_1_0.txt)
    18. 

  18. //
    19. 

  19. //  See http://www.boost.org/libs/bind/bind.html for documentation.
    20. 

  20. //
    21. 

  21. 

  22. #include <boost/config.hpp>
    23. 

  23. #include <boost/is_placeholder.hpp>
    24. 

  24. 

  25. namespace boost
    26. 

  26. {
    27. 

  27. 

  28. template< int I > struct arg
    29. 

  29. {
    30. 

  30.     arg()
    31. 

  31.     {
    32. 

  32.     }
    33. 

  33. 

  34.     template< class T > arg( T const & /* t */ )
    35. 

  35.     {
    36. 

  36.         // static assert I == is_placeholder<T>::value
    37. 

  37.         typedef char T_must_be_placeholder[ I == is_placeholder<T>::value? 1: -1 ];
    38. 

  38.     }
    39. 

  39. };
    40. 

  40. 

  41. template< int I > bool operator==( arg<I> const &, arg<I> const & )
    42. 

  42. {
    43. 

  43.     return true;
    44. 

  44. }
    45. 

  45. 

  46. #if !defined( BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION )
    47. 

  47. 

  48. template< int I > struct is_placeholder< arg<I> >
    49. 

  49. {
    50. 

  50.     enum _vt { value = I };
    51. 

  51. };
    52. 

  52. 

  53. template< int I > struct is_placeholder< arg<I> (*) () >
    54. 

  54. {
    55. 

  55.     enum _vt { value = I };
    56. 

  56. };
    57. 

  57. 

  58. #endif
    59. 

  59. 

  60. } // namespace boost
    61. 

  61. 

  62. #endif // #ifndef BOOST_BIND_ARG_HPP_INCLUDED
    63.