diff options
Diffstat (limited to 'libcxx/include/__algorithm/iterator_operations.h')
| -rw-r--r-- | libcxx/include/__algorithm/iterator_operations.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libcxx/include/__algorithm/iterator_operations.h b/libcxx/include/__algorithm/iterator_operations.h index 6ac5170b4a0e..e060574652d4 100644 --- a/libcxx/include/__algorithm/iterator_operations.h +++ b/libcxx/include/__algorithm/iterator_operations.h @@ -17,6 +17,7 @@ #include <__iterator/iter_swap.h> #include <__iterator/iterator_traits.h> #include <__iterator/next.h> +#include <__iterator/readable_traits.h> #include <__utility/declval.h> #include <__utility/forward.h> #include <__utility/move.h> @@ -35,6 +36,10 @@ struct _RangeAlgPolicy {}; template <> struct _IterOps<_RangeAlgPolicy> { + + template <class _Iter> + using __value_type = iter_value_t<_Iter>; + static constexpr auto advance = ranges::advance; static constexpr auto distance = ranges::distance; static constexpr auto __iter_move = ranges::iter_move; @@ -50,6 +55,9 @@ struct _ClassicAlgPolicy {}; template <> struct _IterOps<_ClassicAlgPolicy> { + template <class _Iter> + using __value_type = typename iterator_traits<_Iter>::value_type; + // advance template <class _Iter, class _Distance> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_AFTER_CXX11 |