diff options
Diffstat (limited to 'libcxx/include/__algorithm/fill.h')
| -rw-r--r-- | libcxx/include/__algorithm/fill.h | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/libcxx/include/__algorithm/fill.h b/libcxx/include/__algorithm/fill.h index 328ebb6..37732cc 100644 --- a/libcxx/include/__algorithm/fill.h +++ b/libcxx/include/__algorithm/fill.h @@ -15,6 +15,7 @@ #include <__iterator/iterator_traits.h> #include <__iterator/segmented_iterator.h> #include <__type_traits/enable_if.h> +#include <__type_traits/is_same.h> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header @@ -27,6 +28,15 @@ _LIBCPP_BEGIN_NAMESPACE_STD template <class _ForwardIterator, class _Sentinel, class _Tp> inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _ForwardIterator __fill(_ForwardIterator __first, _Sentinel __last, const _Tp& __value) { +#ifndef _LIBCPP_CXX03_LANG + if constexpr (is_same<_ForwardIterator, _Sentinel>::value && __is_segmented_iterator_v<_ForwardIterator>) { + using __local_iterator_t = typename __segmented_iterator_traits<_ForwardIterator>::__local_iterator; + std::__for_each_segment(__first, __last, [&](__local_iterator_t __lfirst, __local_iterator_t __llast) { + std::__fill(__lfirst, __llast, __value); + }); + return __last; + } +#endif for (; __first != __last; ++__first) *__first = __value; return __first; @@ -42,18 +52,6 @@ __fill(_RandomAccessIterator __first, _RandomAccessIterator __last, const _Tp& _ return std::__fill_n(__first, __last - __first, __value); } -#ifndef _LIBCPP_CXX03_LANG -template <class _SegmentedIterator, class _Tp, __enable_if_t<__is_segmented_iterator_v<_SegmentedIterator>, int> = 0> -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 -_SegmentedIterator __fill(_SegmentedIterator __first, _SegmentedIterator __last, const _Tp& __value) { - using __local_iterator_t = typename __segmented_iterator_traits<_SegmentedIterator>::__local_iterator; - std::__for_each_segment(__first, __last, [&](__local_iterator_t __lfirst, __local_iterator_t __llast) { - std::__fill(__lfirst, __llast, __value); - }); - return __last; -} -#endif // !_LIBCPP_CXX03_LANG - template <class _ForwardIterator, class _Tp> inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value) { |