ceph/src/boost/boost/type_traits/rank.hpp

   1
   2 //  (C) Copyright John Maddock 2005.
   3 //  Use, modification and distribution are subject to the Boost Software License,
   4 //  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 //  http://www.boost.org/LICENSE_1_0.txt).
   6 //
   7 //  See http://www.boost.org/libs/type_traits for most recent version including documentation.
   8
   9
  10 #ifndef BOOST_TT_RANK_HPP_INCLUDED
  11 #define BOOST_TT_RANK_HPP_INCLUDED
  12
  13 #include <cstddef> // size_t
  14 #include <boost/type_traits/integral_constant.hpp>
  15
  16 namespace boost {
  17
  18 #if !defined( __CODEGEARC__ )
  19
  20 namespace detail{
  21
  22 template <class T, std::size_t N>
  23 struct rank_imp
  24 {
  25    BOOST_STATIC_CONSTANT(std::size_t, value = N);
  26 };
  27 #if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS)
  28 template <class T, std::size_t R, std::size_t N>
  29 struct rank_imp<T[R], N>
  30 {
  31    BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value));
  32 };
  33
  34 template <class T, std::size_t R, std::size_t N>
  35 struct rank_imp<T const[R], N>
  36 {
  37    BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value));
  38 };
  39
  40 template <class T, std::size_t R, std::size_t N>
  41 struct rank_imp<T volatile[R], N>
  42 {
  43    BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value));
  44 };
  45
  46 template <class T, std::size_t R, std::size_t N>
  47 struct rank_imp<T const volatile[R], N>
  48 {
  49    BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value));
  50 };
  51
  52 #if !BOOST_WORKAROUND(__BORLANDC__, < 0x600) && !defined(__IBMCPP__) &&  !BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x840))
  53 template <class T, std::size_t N>
  54 struct rank_imp<T[], N>
  55 {
  56    BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value));
  57 };
  58 template <class T, std::size_t N>
  59 struct rank_imp<T const[], N>
  60 {
  61    BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value));
  62 };
  63 template <class T, std::size_t N>
  64 struct rank_imp<T volatile[], N>
  65 {
  66    BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value));
  67 };
  68 template <class T, std::size_t N>
  69 struct rank_imp<T const volatile[], N>
  70 {
  71    BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value));
  72 };
  73 #endif
  74 #endif
  75 }
  76
  77 #endif // !defined( __CODEGEARC__ )
  78
  79 #if defined( __CODEGEARC__ )
  80 template <class T> struct rank : public integral_constant<std::size_t, __array_rank(T)>{};
  81 #else
  82 template <class T> struct rank : public integral_constant<std::size_t, (::boost::detail::rank_imp<T, 0>::value)>{};
  83 #endif
  84
  85 } // namespace boost
  86
  87 #endif // BOOST_TT_IS_MEMBER_FUNCTION_POINTER_HPP_INCLUDED