From e00b508ed162fb1fcae1253d6b9f4ece3430af7b Mon Sep 17 00:00:00 2001
From: Barry Revzin <barry.revzin@gmail.com>
Date: Tue, 7 Dec 2021 15:14:26 -0600
Subject: [PATCH] The enable_if argument is 3rd.

---
 doc/api.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/api.rst b/doc/api.rst
index d7bdd349..669517c8 100644
--- a/doc/api.rst
+++ b/doc/api.rst
@@ -278,7 +278,7 @@ You can also write a formatter for a hierarchy of classes::
   };
 
   template <typename T>
-  struct fmt::formatter<T, std::enable_if_t<std::is_base_of<A, T>::value, char>> :
+  struct fmt::formatter<T, char, std::enable_if_t<std::is_base_of<A, T>::value>> :
       fmt::formatter<std::string> {
     template <typename FormatCtx>
     auto format(const A& a, FormatCtx& ctx) {