From 8252be63b3d26c77c3f3b819c4ce65b54576d699 Mon Sep 17 00:00:00 2001
From: Cristi <cristi@emailaddressmanager.com>
Date: Thu, 7 Jan 2021 23:03:47 +0200
Subject: [PATCH] arg_join formatter not working for wide strings

---
 include/fmt/format.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/fmt/format.h b/include/fmt/format.h
index 32b42dd5..ee01391c 100644
--- a/include/fmt/format.h
+++ b/include/fmt/format.h
@@ -3720,7 +3720,7 @@ struct formatter<arg_join<It, Sentinel, Char>, Char> {
  private:
   using value_type = typename std::iterator_traits<It>::value_type;
   using formatter_type =
-      conditional_t<has_formatter<value_type, format_context>::value,
+      conditional_t<has_formatter<value_type, buffer_context<Char>>::value,
                     formatter<value_type, Char>,
                     detail::fallback_formatter<value_type, Char>>;