From 7fa27ce4a07f19b07799a767fc29416f3b625afb Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Wed, 26 Jul 2023 21:03:47 +0200
Subject: Vendor import of llvm-project main
 llvmorg-17-init-19304-gd0b54bb50e51, the last commit before the upstream
 release/17.x branch was created.

---
 libcxx/include/__algorithm/ranges_generate.h | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

(limited to 'libcxx/include/__algorithm/ranges_generate.h')

diff --git a/libcxx/include/__algorithm/ranges_generate.h b/libcxx/include/__algorithm/ranges_generate.h
index ae486ae65395..3ff1e13c4220 100644
--- a/libcxx/include/__algorithm/ranges_generate.h
+++ b/libcxx/include/__algorithm/ranges_generate.h
@@ -24,7 +24,7 @@
 #  pragma GCC system_header
 #endif
 
-#if _LIBCPP_STD_VER > 17
+#if _LIBCPP_STD_VER >= 20
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
@@ -32,10 +32,8 @@ namespace ranges {
 namespace __generate {
 
 struct __fn {
-
   template <class _OutIter, class _Sent, class _Func>
-  _LIBCPP_HIDE_FROM_ABI constexpr
-  static _OutIter __generate_fn_impl(_OutIter __first, _Sent __last, _Func& __gen) {
+  _LIBCPP_HIDE_FROM_ABI constexpr static _OutIter __generate_fn_impl(_OutIter __first, _Sent __last, _Func& __gen) {
     for (; __first != __last; ++__first) {
       *__first = __gen();
     }
@@ -44,30 +42,27 @@ struct __fn {
   }
 
   template <input_or_output_iterator _OutIter, sentinel_for<_OutIter> _Sent, copy_constructible _Func>
-  requires invocable<_Func&> && indirectly_writable<_OutIter, invoke_result_t<_Func&>>
-  _LIBCPP_HIDE_FROM_ABI constexpr
-  _OutIter operator()(_OutIter __first, _Sent __last, _Func __gen) const {
+    requires invocable<_Func&> && indirectly_writable<_OutIter, invoke_result_t<_Func&>>
+  _LIBCPP_HIDE_FROM_ABI constexpr _OutIter operator()(_OutIter __first, _Sent __last, _Func __gen) const {
     return __generate_fn_impl(std::move(__first), std::move(__last), __gen);
   }
 
   template <class _Range, copy_constructible _Func>
-  requires invocable<_Func&> && output_range<_Range, invoke_result_t<_Func&>>
-  _LIBCPP_HIDE_FROM_ABI constexpr
-  borrowed_iterator_t<_Range> operator()(_Range&& __range, _Func __gen) const {
+    requires invocable<_Func&> && output_range<_Range, invoke_result_t<_Func&>>
+  _LIBCPP_HIDE_FROM_ABI constexpr borrowed_iterator_t<_Range> operator()(_Range&& __range, _Func __gen) const {
     return __generate_fn_impl(ranges::begin(__range), ranges::end(__range), __gen);
   }
-
 };
 
 } // namespace __generate
 
 inline namespace __cpo {
-  inline constexpr auto generate = __generate::__fn{};
+inline constexpr auto generate = __generate::__fn{};
 } // namespace __cpo
 } // namespace ranges
 
 _LIBCPP_END_NAMESPACE_STD
 
-#endif // _LIBCPP_STD_VER > 17
+#endif // _LIBCPP_STD_VER >= 20
 
 #endif // _LIBCPP___ALGORITHM_RANGES_GENERATE_H
-- 
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