From 713634b1fff71a873168419978bdd0d9d9fed9c8 Mon Sep 17 00:00:00 2001
From: Xiaoyang Liu <siujoeng.lau@gmail.com>
Date: Tue, 23 Apr 2024 12:47:19 -0400
Subject: [PATCH] [libc++][ranges] export 'std::ranges::range_adaptor_closure'

---
 libcxx/modules/std/ranges.inc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libcxx/modules/std/ranges.inc b/libcxx/modules/std/ranges.inc
index 82c7d99f8979a..7d215867a4317 100644
--- a/libcxx/modules/std/ranges.inc
+++ b/libcxx/modules/std/ranges.inc
@@ -138,8 +138,10 @@ export namespace std {
     }
 #endif // _LIBCPP_HAS_NO_LOCALIZATION
 
+#if _LIBCPP_STD_VER >= 23
     // [range.adaptor.object], range adaptor objects
-    // using std::ranges::range_adaptor_closure;
+    using std::ranges::range_adaptor_closure;
+#endif
 
     // [range.all], all view
     namespace views {