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Reinstated reverse_iterator_pair_generator

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[SVN r9264]
This commit is contained in:
Dave Abrahams 2001-02-18 22:21:14 +00:00
parent 8d8f828da5
commit e9d9bdbb10
1 changed files with 17 additions and 0 deletions
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17
include/boost/iterator_adaptors.hpp
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@ -12,6 +12,8 @@
// //
// Revision History: // Revision History:
// 18 Feb 2001 David Abrahams
// Reinstated reverse_iterator_pair_generator
// 16 Feb 2001 David Abrahams // 16 Feb 2001 David Abrahams
// Add an implicit conversion operator to operator_arrow_proxy // Add an implicit conversion operator to operator_arrow_proxy
// as CW and BCC workarounds. // as CW and BCC workarounds.
@ -861,6 +863,21 @@ struct reverse_iterator_generator
Value,Reference,Pointer,Category,Distance> type; Value,Reference,Pointer,Category,Distance> type;
}; };
template <class BidirectionalIterator,
class Value = BOOST_ARG_DEPENDENT_TYPENAME boost::detail::iterator_traits<BidirectionalIterator>::value_type>
struct reverse_iterator_pair_generator
{
typedef boost::detail::iterator_traits<BidirectionalIterator>::iterator_category category;
typedef iterator_adaptor<BidirectionalIterator,reverse_iterator_policies,
Value, Value&, Value*
typename boost::detail::iterator_traits<BidirectionalIterator>::iterator_category,
typename boost::detail::iterator_traits<BidirectionalIterator>::difference_type> iterator;
typedef iterator_adaptor<BidirectionalIterator,reverse_iterator_policies,
Value, const Value&, const Value*
typename boost::detail::iterator_traits<BidirectionalIterator>::iterator_category,
typename boost::detail::iterator_traits<BidirectionalIterator>::difference_type> const_iterator;
};
template <class BidirectionalIterator> template <class BidirectionalIterator>
inline typename reverse_iterator_generator<BidirectionalIterator>::type inline typename reverse_iterator_generator<BidirectionalIterator>::type
make_reverse_iterator(BidirectionalIterator base) make_reverse_iterator(BidirectionalIterator base)