forward std::generate to std::for_each

Author: c8ef

libcxx/include/__algorithm/generate.h

@@ -9,42 +9,20 @@
 #ifndef _LIBCPP___ALGORITHM_GENERATE_H
 #define _LIBCPP___ALGORITHM_GENERATE_H
 
-#include <__algorithm/for_each_segment.h>
+#include <__algorithm/for_each.h>
 #include <__config>
-#include <__iterator/segmented_iterator.h>
-#include <__type_traits/enable_if.h>
+
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #  pragma GCC system_header
 #endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template <class _ForwardIterator, class _Sent, class _Generator>
-inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void
-__generate(_ForwardIterator __first, _Sent __last, _Generator& __gen) {
-  for (; __first != __last; ++__first)
-    *__first = __gen();
-}
-
-#ifndef _LIBCPP_CXX03_LANG
-template <class _SegmentedIterator,
-          class _Generator,
-          __enable_if_t<__is_segmented_iterator_v<_SegmentedIterator>, int> = 0>
-_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20
-_SegmentedIterator __generate(_SegmentedIterator __first, _SegmentedIterator __last, _Generator& __gen) {
-  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::__generate(__lfirst, __llast, __gen);
-  });
-  return __last;
-}
-#endif // !_LIBCPP_CXX03_LANG
-
 template <class _ForwardIterator, class _Generator>
-inline _LIBCPP_HIDE_FROM_ABI
-_LIBCPP_CONSTEXPR_SINCE_CXX20 void generate(_ForwardIterator __first, _ForwardIterator __last, _Generator __gen) {
-  std::__generate(__first, __last, __gen);
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void
+generate(_ForwardIterator __first, _ForwardIterator __last, _Generator __gen) {
+  std::for_each(__first, __last, [&](auto& __element) { __element = __gen(); });
 }
 
 _LIBCPP_END_NAMESPACE_STD