78 lines
2.5 KiB
Plaintext
78 lines
2.5 KiB
Plaintext
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2014-2014.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/move for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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//! \file
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#ifndef BOOST_MOVE_DETAIL_ITERATOR_TRAITS_HPP
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#define BOOST_MOVE_DETAIL_ITERATOR_TRAITS_HPP
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#ifndef BOOST_CONFIG_HPP
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# include <boost/config.hpp>
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#endif
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#
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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# pragma once
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#endif
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#include <cstddef>
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#include <boost/move/detail/type_traits.hpp>
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#include <boost/move/detail/std_ns_begin.hpp>
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BOOST_MOVE_STD_NS_BEG
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struct input_iterator_tag;
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struct forward_iterator_tag;
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struct bidirectional_iterator_tag;
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struct random_access_iterator_tag;
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struct output_iterator_tag;
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BOOST_MOVE_STD_NS_END
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#include <boost/move/detail/std_ns_end.hpp>
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namespace boost{ namespace movelib{
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template<class Iterator>
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struct iterator_traits
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{
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typedef typename Iterator::difference_type difference_type;
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typedef typename Iterator::value_type value_type;
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typedef typename Iterator::pointer pointer;
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typedef typename Iterator::reference reference;
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typedef typename Iterator::iterator_category iterator_category;
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typedef typename boost::move_detail::make_unsigned<difference_type>::type size_type;
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};
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template<class T>
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struct iterator_traits<T*>
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{
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typedef std::ptrdiff_t difference_type;
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typedef T value_type;
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typedef T* pointer;
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typedef T& reference;
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typedef std::random_access_iterator_tag iterator_category;
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typedef typename boost::move_detail::make_unsigned<difference_type>::type size_type;
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};
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template<class T>
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struct iterator_traits<const T*>
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{
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typedef std::ptrdiff_t difference_type;
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typedef T value_type;
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typedef const T* pointer;
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typedef const T& reference;
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typedef std::random_access_iterator_tag iterator_category;
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typedef typename boost::move_detail::make_unsigned<difference_type>::type size_type;
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};
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}} //namespace boost { namespace movelib{
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#endif //#ifndef BOOST_MOVE_DETAIL_ITERATOR_TRAITS_HPP
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