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Iterator traits/use std #43

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Iterator traits/use std #43

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36 changes: 8 additions & 28 deletions include/boost/move/detail/iterator_traits.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
#endif

#include <cstddef>
#include <iterator>
#include <boost/move/detail/type_traits.hpp>

#include <boost/move/detail/std_ns_begin.hpp>
Expand All @@ -40,36 +41,15 @@ BOOST_MOVE_STD_NS_END

namespace boost{ namespace movelib{

template<class Iterator>
struct iterator_traits
template <typename T>
struct iterator_traits : std::iterator_traits<T>
{
typedef typename Iterator::difference_type difference_type;
typedef typename Iterator::value_type value_type;
typedef typename Iterator::pointer pointer;
typedef typename Iterator::reference reference;
typedef typename Iterator::iterator_category iterator_category;
typedef typename boost::move_detail::make_unsigned<difference_type>::type size_type;
};
typedef typename std::iterator_traits<T>::difference_type difference_type;
typedef typename std::iterator_traits<T>::pointer pointer;
typedef typename std::iterator_traits<T>::reference reference;
typedef typename std::iterator_traits<T>::iterator_category iterator_category;
typedef typename std::iterator_traits<T>::value_type value_type;

template<class T>
struct iterator_traits<T*>
{
typedef std::ptrdiff_t difference_type;
typedef T value_type;
typedef T* pointer;
typedef T& reference;
typedef std::random_access_iterator_tag iterator_category;
typedef typename boost::move_detail::make_unsigned<difference_type>::type size_type;
};

template<class T>
struct iterator_traits<const T*>
{
typedef std::ptrdiff_t difference_type;
typedef T value_type;
typedef const T* pointer;
typedef const T& reference;
typedef std::random_access_iterator_tag iterator_category;
typedef typename boost::move_detail::make_unsigned<difference_type>::type size_type;
};

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