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put indirect_iterator_pair_generator back in

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[SVN r9027]
This commit is contained in:
Jeremy Siek
2001-02-08 03:41:23 +00:00
parent ee9f140fae
commit edf17ba001
1 changed files with 18 additions and 5 deletions
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23
include/boost/iterator_adaptors.hpp
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@ -13,8 +13,7 @@
// Revision History:
// 07 Feb 2001 Jeremy Siek
// Removed all pair generator's except for projection and
// some const adaptor generators.
// Removed some const iterator adaptor generators.
//
// Added make_xxx_iterator() helper functions for remaining
// iterator adaptors.
@ -335,7 +334,7 @@ namespace detail {
typedef operator_arrow_proxy<typename Traits::value_type> proxy;
typedef typename Traits::pointer pointer;
enum { is_input_iter = boost::is_convertible<category,std::input_iterator_tag>::value
& !boost::is_convertible<category,std::forward_iterator_tag>::value };
& !boost::is_convertible<category,std::forward_iterator_tag>::value };
typedef typename boost::detail::if_true<(is_input_iter)>::template
then<
proxy,
@ -648,6 +647,20 @@ public:
typedef iterator_adaptor<OuterIterator, indirect_iterator_policies, indirect_traits> type;
};
template <class OuterIterator, // Mutable or Immutable, does not matter
class ConstInnerIterator, // Immutable
class ConstInnerTraits = boost::detail::iterator_traits<ConstInnerIterator>,
class InnerIterator = typename boost::detail::iterator_traits<OuterIterator>::value_type,
class InnerTraits = boost::detail::iterator_traits<InnerIterator>
>
struct indirect_iterator_pair_generator
{
typedef typename indirect_iterator_generator<OuterIterator,
InnerIterator, InnerTraits>::type iterator;
typedef typename indirect_iterator_generator<OuterIterator,
ConstInnerIterator, ConstInnerTraits>::type const_iterator;
};
template <class OuterIterator, class InnerIterator, class InnerTraits>
inline typename indirect_iterator_generator<OuterIterator, InnerIterator, InnerTraits>::type
make_indirect_iterator(OuterIterator outer, InnerIterator, InnerTraits)
@ -830,8 +843,8 @@ private:
};
template <class Predicate, class Iterator,
class Traits = boost::detail::iterator_traits<Iterator>
>
class Traits = boost::detail::iterator_traits<Iterator>
>
class filter_iterator_generator {
typedef filter_iterator_policies<Predicate, Iterator> Policies;
public: