[libcxx][ranges] Add class ref_view.
Differential Revision: https://reviews.llvm.org/D102020
NOKEYCHECK=True
GitOrigin-RevId: 7eba4856c702b1d9d0bd1d3ef58661ba6c0e58de
diff --git a/include/ranges b/include/ranges
index edf7474..75c9f20 100644
--- a/include/ranges
+++ b/include/ranges
@@ -100,6 +100,7 @@
#include <__ranges/empty_view.h>
#include <__ranges/enable_borrowed_range.h>
#include <__ranges/enable_view.h>
+#include <__ranges/ref_view.h>
#include <__ranges/size.h>
#include <__ranges/subrange.h>
#include <__ranges/view_interface.h>