diff options
Diffstat (limited to 'libcxx/include/__algorithm/ranges_swap_ranges.h')
| -rw-r--r-- | libcxx/include/__algorithm/ranges_swap_ranges.h | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/libcxx/include/__algorithm/ranges_swap_ranges.h b/libcxx/include/__algorithm/ranges_swap_ranges.h index 3254e1c60abb..552fd55ff88f 100644 --- a/libcxx/include/__algorithm/ranges_swap_ranges.h +++ b/libcxx/include/__algorithm/ranges_swap_ranges.h @@ -10,6 +10,8 @@ #define _LIBCPP___ALGORITHM_RANGES_SWAP_RANGES_H #include <__algorithm/in_in_result.h> +#include <__algorithm/iterator_operations.h> +#include <__algorithm/swap_ranges.h> #include <__config> #include <__iterator/concepts.h> #include <__iterator/iter_swap.h> @@ -22,7 +24,7 @@ # pragma GCC system_header #endif -#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES) +#if _LIBCPP_STD_VER > 17 _LIBCPP_BEGIN_NAMESPACE_STD @@ -38,12 +40,9 @@ struct __fn { requires indirectly_swappable<_I1, _I2> _LIBCPP_HIDE_FROM_ABI constexpr swap_ranges_result<_I1, _I2> operator()(_I1 __first1, _S1 __last1, _I2 __first2, _S2 __last2) const { - while (__first1 != __last1 && __first2 != __last2) { - ranges::iter_swap(__first1, __first2); - ++__first1; - ++__first2; - } - return {_VSTD::move(__first1), _VSTD::move(__first2)}; + auto __ret = std::__swap_ranges<_RangeAlgPolicy>( + std::move(__first1), std::move(__last1), std::move(__first2), std::move(__last2)); + return {std::move(__ret.first), std::move(__ret.second)}; } template <input_range _R1, input_range _R2> @@ -64,6 +63,6 @@ inline namespace __cpo { _LIBCPP_END_NAMESPACE_STD -#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_INCOMPLETE_RANGES) +#endif // _LIBCPP_STD_VER > 17 #endif // _LIBCPP___ALGORITHM_RANGES_SWAP_RANGES_H |