From 6f2dd30e384a2a5c1326b8715a08e59a9b835f3b Mon Sep 17 00:00:00 2001
From: Charles Milette <me@charlesmilette.net>
Date: Sat, 27 Jul 2019 17:56:55 -0400
Subject: [PATCH] Simplify udl_formatter return type

---
 include/fmt/format.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/fmt/format.h b/include/fmt/format.h
index 628d68d6..a3e9e6e4 100644
--- a/include/fmt/format.h
+++ b/include/fmt/format.h
@@ -3469,8 +3469,7 @@ template <typename Char> struct udl_formatter {
   basic_string_view<Char> str;
 
   template <typename... Args>
-  auto operator()(Args&&... args) const
-      -> decltype(format(str, std::forward<Args>(args)...)) {
+  std::basic_string<Char> operator()(Args&&... args) const {
     return format(str, std::forward<Args>(args)...);
   }
 };