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algorithm.hpp
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algo_type.hpp
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any_node_and_algorithms.hpp
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array_initializer.hpp
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assert.hpp
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avltree_node.hpp
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bstree_algorithms_base.hpp
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common_slist_algorithms.hpp
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config_begin.hpp
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config_end.hpp
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default_header_holder.hpp
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ebo_functor_holder.hpp
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empty_node_checker.hpp
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equal_to_value.hpp
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exception_disposer.hpp
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function_detector.hpp
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generic_hook.hpp
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get_value_traits.hpp
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hashtable_node.hpp
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has_member_function_callable_with.hpp
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hook_traits.hpp
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iiterator.hpp
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is_stateful_value_traits.hpp
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iterator.hpp
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key_nodeptr_comp.hpp
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list_iterator.hpp
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list_node.hpp
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math.hpp
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minimal_less_equal_header.hpp
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minimal_pair_header.hpp
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mpl.hpp
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node_cloner_disposer.hpp
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node_holder.hpp
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node_to_value.hpp
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parent_from_member.hpp
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rbtree_node.hpp
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reverse_iterator.hpp
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simple_disposers.hpp
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size_holder.hpp
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slist_iterator.hpp
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slist_node.hpp
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std_fwd.hpp
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transform_iterator.hpp
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tree_iterator.hpp
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tree_node.hpp
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tree_value_compare.hpp
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uncast.hpp
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workaround.hpp
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/usr/include/boost/intrusive/detail/reverse_iterator.hpp
(4644B)
///////////////////////////////////////////////////////////////////////////// // // (C) Copyright Ion Gaztanaga 2014-2014 // // 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) // // See http://www.boost.org/libs/intrusive for documentation. // ///////////////////////////////////////////////////////////////////////////// #ifndef BOOST_INTRUSIVE_DETAIL_REVERSE_ITERATOR_HPP #define BOOST_INTRUSIVE_DETAIL_REVERSE_ITERATOR_HPP #ifndef BOOST_CONFIG_HPP # include <boost/config.hpp> #endif #if defined(BOOST_HAS_PRAGMA_ONCE) # pragma once #endif #include <boost/intrusive/detail/config_begin.hpp> #include <boost/intrusive/detail/iterator.hpp> #include <boost/intrusive/detail/mpl.hpp> namespace boost { namespace intrusive { template<class It> class reverse_iterator { public: typedef typename boost::intrusive::iterator_traits<It>::pointer pointer; typedef typename boost::intrusive::iterator_traits<It>::reference reference; typedef typename boost::intrusive::iterator_traits<It>::difference_type difference_type; typedef typename boost::intrusive::iterator_traits<It>::iterator_category iterator_category; typedef typename boost::intrusive::iterator_traits<It>::value_type value_type; typedef It iterator_type; reverse_iterator() : m_current() //Value initialization to achieve "null iterators" (N3644) {} explicit reverse_iterator(It r) : m_current(r) {} reverse_iterator(const reverse_iterator& r) : m_current(r.base()) {} template<class OtherIt> reverse_iterator( const reverse_iterator<OtherIt>& r , typename boost::intrusive::detail::enable_if_convertible<OtherIt, It>::type* =0 ) : m_current(r.base()) {} reverse_iterator & operator=( const reverse_iterator& r) { m_current = r.base(); return *this; } template<class OtherIt> typename boost::intrusive::detail::enable_if_convertible<OtherIt, It, reverse_iterator &>::type operator=( const reverse_iterator<OtherIt>& r) { m_current = r.base(); return *this; } It base() const { return m_current; } reference operator*() const { It temp(m_current); --temp; reference r = *temp; return r; } pointer operator->() const { It temp(m_current); --temp; return iterator_arrow_result(temp); } reference operator[](difference_type off) const { return this->m_current[-off - 1]; } reverse_iterator& operator++() { --m_current; return *this; } reverse_iterator operator++(int) { reverse_iterator temp((*this)); --m_current; return temp; } reverse_iterator& operator--() { ++m_current; return *this; } reverse_iterator operator--(int) { reverse_iterator temp((*this)); ++m_current; return temp; } friend bool operator==(const reverse_iterator& l, const reverse_iterator& r) { return l.m_current == r.m_current; } friend bool operator!=(const reverse_iterator& l, const reverse_iterator& r) { return l.m_current != r.m_current; } friend bool operator<(const reverse_iterator& l, const reverse_iterator& r) { return l.m_current > r.m_current; } friend bool operator<=(const reverse_iterator& l, const reverse_iterator& r) { return l.m_current >= r.m_current; } friend bool operator>(const reverse_iterator& l, const reverse_iterator& r) { return l.m_current < r.m_current; } friend bool operator>=(const reverse_iterator& l, const reverse_iterator& r) { return l.m_current <= r.m_current; } reverse_iterator& operator+=(difference_type off) { m_current -= off; return *this; } reverse_iterator& operator-=(difference_type off) { m_current += off; return *this; } friend reverse_iterator operator+(reverse_iterator l, difference_type off) { return (l += off); } friend reverse_iterator operator+(difference_type off, reverse_iterator r) { return (r += off); } friend reverse_iterator operator-(reverse_iterator l, difference_type off) { return (l-= off); } friend difference_type operator-(const reverse_iterator& l, const reverse_iterator& r) { return r.m_current - l.m_current; } private: It m_current; // the wrapped iterator }; } //namespace intrusive { } //namespace boost { #include <boost/intrusive/detail/config_end.hpp> #endif //BOOST_INTRUSIVE_DETAIL_REVERSE_ITERATOR_HPP
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