From 99b4b4ee0121ec2f47601817c98a04943f000794 Mon Sep 17 00:00:00 2001
From: Barry Revzin <barry.revzin@gmail.com>
Date: Sun, 2 Jan 2022 23:36:11 -0600
Subject: [PATCH] Clarifying uncvref_type

---
 include/fmt/ranges.h | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/include/fmt/ranges.h b/include/fmt/ranges.h
index b166bb2b..101bb399 100644
--- a/include/fmt/ranges.h
+++ b/include/fmt/ranges.h
@@ -222,8 +222,13 @@ template <class Tuple, class F> void for_each(Tuple&& tup, F&& f) {
 }
 
 template <typename Range>
-using uncvref_type =
-    remove_cvref_t<decltype(*detail::range_begin(std::declval<Range>()))>;
+using range_reference_type =
+    decltype(*detail::range_begin(std::declval<Range>()));
+
+// We don't use the Range's value_type for anything, but we do need the Range's
+// reference type, with cv-ref stripped
+template <typename Range>
+using uncvref_type = remove_cvref_t<range_reference_type<Range>>;
 
 template <typename OutputIt> OutputIt write_delimiter(OutputIt out) {
   *out++ = ',';