ceph/src/boost/boost/detail/iterator.hpp

   1 // (C) Copyright David Abrahams 2002.
   2 // Distributed under the Boost Software License, Version 1.0. (See
   3 // accompanying file LICENSE_1_0.txt or copy at
   4 // http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #ifndef ITERATOR_DWA122600_HPP_
   7 #define ITERATOR_DWA122600_HPP_
   8
   9 // This header is obsolete and will be deprecated.
  10
  11 #include <iterator>
  12 #if defined(__SUNPRO_CC) && (defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION))
  13 #include <cstddef>
  14 #endif
  15
  16 namespace boost
  17 {
  18
  19 namespace detail
  20 {
  21
  22 using std::iterator_traits;
  23 using std::distance;
  24
  25 #if defined(__SUNPRO_CC) && (defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION))
  26 // std::distance from stlport with Oracle compiler 12.4 and 12.5 fails to deduce template parameters
  27 // when one of the arguments is an array and the other one is a pointer.
  28 template< typename T, std::size_t N >
  29 inline typename std::iterator_traits< T* >::difference_type distance(T (&left)[N], T* right)
  30 {
  31     return std::distance(static_cast< T* >(left), right);
  32 }
  33 #endif
  34
  35 } // namespace detail
  36
  37 } // namespace boost
  38
  39 #endif // ITERATOR_DWA122600_HPP_