From 1474498ccfd06d94a14606ea807b2fda808c7beb Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Wed, 17 Jan 2024 04:32:29 +0200
Subject: [PATCH] Use std::enable_if in detail/enable_if.hpp

---
 include/boost/system/detail/enable_if.hpp | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/include/boost/system/detail/enable_if.hpp b/include/boost/system/detail/enable_if.hpp
index 7f3d70bae..5e78c4887 100644
--- a/include/boost/system/detail/enable_if.hpp
+++ b/include/boost/system/detail/enable_if.hpp
@@ -5,28 +5,19 @@
 // Distributed under the Boost Software License, Version 1.0
 // http://www.boost.org/LICENSE_1_0.txt
 
+#include <type_traits>
+
 namespace boost
 {
-
 namespace system
 {
-
 namespace detail
 {
 
-template<bool C, class T = void> struct enable_if
-{
-    typedef T type;
-};
-
-template<class T> struct enable_if<false, T>
-{
-};
+using std::enable_if;
 
 } // namespace detail
-
 } // namespace system
-
 } // namespace boost
 
 #endif // #ifndef BOOST_SYSTEM_DETAIL_ENABLE_IF_HPP_INCLUDED