update ceph source to reef 18.1.2

[ceph.git] / ceph / src / boost / boost / intrusive / detail / reverse_iterator.hpp

diff --git a/ceph/src/boost/boost/intrusive/detail/reverse_iterator.hpp b/ceph/src/boost/boost/intrusive/detail/reverse_iterator.hpp
index 57631feb5d4cbb8d2c44379d41af8deabc78bdee..00b0e5f35359a5c3feebc704e82736fcfd9a1872 100644 (file)
--- a/ceph/src/boost/boost/intrusive/detail/reverse_iterator.hpp
+++ b/ceph/src/boost/boost/intrusive/detail/reverse_iterator.hpp
@@ -13,153 +13,16 @@
 #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>
+#include <boost/move/detail/reverse_iterator.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
-};
+using boost::movelib::reverse_iterator;
+using boost::movelib::make_reverse_iterator;
 
 } //namespace intrusive {
 } //namespace boost {
 
-#include <boost/intrusive/detail/config_end.hpp>
 
 #endif //BOOST_INTRUSIVE_DETAIL_REVERSE_ITERATOR_HPP