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Viewing changes to deps/boost_intern/boost/iterator/reverse_iterator.hpp

  • Committer: Package Import Robot
  • Author(s): Mattias Ellert
  • Date: 2015-07-31 13:17:55 UTC
  • mfrom: (5.1.3 sid)
  • Revision ID: package-import@ubuntu.com-20150731131755-mizprbmn7ogv33te
Tags: 0.4.1-1
* Update to version 0.4.1
* Implement Multi-Arch support

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deps/boost_intern/boost/iterator/reverse_iterator.hpp
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// (C) Copyright David Abrahams 2002.
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// (C) Copyright Jeremy Siek    2002.
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// (C) Copyright Thomas Witt    2002.
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// Distributed under the Boost Software License, Version 1.0. (See
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// 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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#ifndef BOOST_REVERSE_ITERATOR_23022003THW_HPP
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#define BOOST_REVERSE_ITERATOR_23022003THW_HPP
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#include <boost/next_prior.hpp>
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#include <boost/iterator.hpp>
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#include <boost/iterator/iterator_adaptor.hpp>
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namespace boost
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{
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  //
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  //
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  //
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  template <class Iterator>
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  class reverse_iterator
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      : public iterator_adaptor< reverse_iterator<Iterator>, Iterator >
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  {
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      typedef iterator_adaptor< reverse_iterator<Iterator>, Iterator > super_t;
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      friend class iterator_core_access;
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   public:
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      reverse_iterator() {}
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      explicit reverse_iterator(Iterator x) 
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          : super_t(x) {}
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      template<class OtherIterator>
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      reverse_iterator(
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          reverse_iterator<OtherIterator> const& r
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          , typename enable_if_convertible<OtherIterator, Iterator>::type* = 0
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          )
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          : super_t(r.base())
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      {}
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   private:
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      typename super_t::reference dereference() const { return *boost::prior(this->base()); }
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      void increment() { --this->base_reference(); }
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      void decrement() { ++this->base_reference(); }
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      void advance(typename super_t::difference_type n)
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      {
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          this->base_reference() += -n;
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      }
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      template <class OtherIterator>
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      typename super_t::difference_type
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      distance_to(reverse_iterator<OtherIterator> const& y) const
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      {
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          return this->base_reference() - y.base();
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      }
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  };
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  template <class BidirectionalIterator>
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  reverse_iterator<BidirectionalIterator> make_reverse_iterator(BidirectionalIterator x)
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  {
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      return reverse_iterator<BidirectionalIterator>(x);
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  }
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} // namespace boost
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#endif // BOOST_REVERSE_ITERATOR_23022003THW_HPP