detail/iterator.hpp

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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// This header is obsolete and will be deprecated.
 
#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_