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3rdparty/boost_1_81_0/boost/detail/iterator.hpp 1.12 KB
63e88f80   Hu Chunming   提交三方库
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  // (C) Copyright David Abrahams 2002.
  // Distributed under the Boost Software License, Version 1.0. (See
  // accompanying file LICENSE_1_0.txt or copy at
  // http://www.boost.org/LICENSE_1_0.txt)
  
  #ifndef ITERATOR_DWA122600_HPP_
  #define ITERATOR_DWA122600_HPP_
  
  // This header is obsolete and deprecated.
  
  #include <boost/config/header_deprecated.hpp>
  
  BOOST_HEADER_DEPRECATED("<iterator>")
  
  #include <iterator>
  #if defined(__SUNPRO_CC) && (defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION))
  #include <cstddef>
  #endif
  
  namespace boost
  {
  
  namespace detail
  {
  
  using std::iterator_traits;
  using std::distance;
  
  #if defined(__SUNPRO_CC) && (defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION))
  // std::distance from stlport with Oracle compiler 12.4 and 12.5 fails to deduce template parameters
  // when one of the arguments is an array and the other one is a pointer.
  template< typename T, std::size_t N >
  inline typename std::iterator_traits< T* >::difference_type distance(T (&left)[N], T* right)
  {
      return std::distance(static_cast< T* >(left), right);
  }
  #endif
  
  } // namespace detail
  
  } // namespace boost
  
  #endif // ITERATOR_DWA122600_HPP_