From 1efad3028a1953af2cf62b518a54ffeb309977bc Mon Sep 17 00:00:00 2001
From: Lukas K <lu@0x83.eu>
Date: Mon, 10 Jul 2023 22:50:53 +0200
Subject: [PATCH] alphanum: remove deprecated std::binary_function

closes #727
---
 3rd_party/alphanum/alphanum.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/3rd_party/alphanum/alphanum.hpp b/3rd_party/alphanum/alphanum.hpp
index d517c45fc..16778ccc2 100644
--- a/3rd_party/alphanum/alphanum.hpp
+++ b/3rd_party/alphanum/alphanum.hpp
@@ -295,7 +295,7 @@ namespace doj
      implement "std::ostream operator<< (std::ostream&, const Ty&)".
   */
   template<class Ty>
-  struct alphanum_less : public std::binary_function<Ty, Ty, bool>
+  struct alphanum_less
   {
     bool operator()(const Ty& left, const Ty& right) const
     {