From d32017a07cf468f38b1a258dc2542a3de05ae9d7 Mon Sep 17 00:00:00 2001
From: Eric Niebler <eniebler@nvidia.com>
Date: Wed, 4 Sep 2024 08:42:20 -0700
Subject: [PATCH] closer

---
 include/range/v3/view/span.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/range/v3/view/span.hpp b/include/range/v3/view/span.hpp
index 8ecda4694..0199a59bf 100644
--- a/include/range/v3/view/span.hpp
+++ b/include/range/v3/view/span.hpp
@@ -361,8 +361,10 @@ namespace ranges
     template<typename T, detail::span_index_t N>
     RANGES_INLINE_VAR constexpr bool enable_borrowed_range<span<T, N>> = true;
 
+#if RANGES_CXX_INLINE_VARIABLES < RANGES_CXX_INLINE_VARIABLES_17
     template<typename T, detail::span_index_t N>
     constexpr detail::span_index_t span<T, N>::extent;
+#endif
 
 #if RANGES_CXX_DEDUCTION_GUIDES >= RANGES_CXX_DEDUCTION_GUIDES_17
     template(typename Rng)(