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Simplified iterator_category expression so that old compilers can parse it.

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Ion Gaztañaga
2014-11-26 07:01:49 +01:00
parent 5df8c305a5
commit 55a3c8b9a5
1 changed files with 4 additions and 2 deletions
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6
include/boost/intrusive/detail/iterator.hpp
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@@ -114,14 +114,16 @@ void distance_impl(InputIt first, InputIt last, Distance& off, const std::random
template<class InputIt, class Distance>
inline void iterator_advance(InputIt& it, Distance n)
{ // increment iterator by offset, arbitrary iterators
boost::intrusive::detail::advance_impl(it, n, typename boost::intrusive::iterator_traits<InputIt>::iterator_category());
typedef typename boost::intrusive::iterator_traits<InputIt>::iterator_category category_t;
boost::intrusive::detail::advance_impl(it, n, category_t());
}
template<class InputIt> inline
typename iterator_traits<InputIt>::difference_type iterator_distance(InputIt first, InputIt last)
{
typename iterator_traits<InputIt>::difference_type off = 0;
boost::intrusive::detail::distance_impl(first, last, off, typename boost::intrusive::iterator_traits<InputIt>::iterator_category());
typedef typename boost::intrusive::iterator_traits<InputIt>::iterator_category category_t;
boost::intrusive::detail::distance_impl(first, last, off, category_t());
return off;
}