From bf17d15d3cd0feb9637d18fdc6ee135189325bd8 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Tue, 5 Nov 2019 18:58:02 +0200
Subject: [PATCH] Use std::mem_fn, std::bind

---
 include/boost/bind/bind.hpp   | 19 +++++++++++++++++++
 include/boost/bind/mem_fn.hpp | 15 +++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/include/boost/bind/bind.hpp b/include/boost/bind/bind.hpp
index 711e000..aa6b8ae 100644
--- a/include/boost/bind/bind.hpp
+++ b/include/boost/bind/bind.hpp
@@ -21,6 +21,23 @@
 //  See http://www.boost.org/libs/bind/bind.html for documentation.
 //
 
+#if 1
+
+#include <boost/ref.hpp>
+#include <boost/mem_fn.hpp>
+#include <functional>
+
+namespace boost
+{
+
+using std::bind;
+
+namespace placeholders = std::placeholders;
+
+} // namespace boost
+
+#else
+
 #include <boost/config.hpp>
 #include <boost/ref.hpp>
 #include <boost/mem_fn.hpp>
@@ -2362,4 +2379,6 @@ BOOST_BIND( M T::*f, A1 a1 )
 # pragma warning(pop)
 #endif
 
+#endif
+
 #endif // #ifndef BOOST_BIND_BIND_HPP_INCLUDED
diff --git a/include/boost/bind/mem_fn.hpp b/include/boost/bind/mem_fn.hpp
index fc83fd7..e9a8213 100644
--- a/include/boost/bind/mem_fn.hpp
+++ b/include/boost/bind/mem_fn.hpp
@@ -21,6 +21,19 @@
 //  See http://www.boost.org/libs/bind/mem_fn.html for documentation.
 //
 
+#if 1
+
+#include <functional>
+
+namespace boost
+{
+
+using std::mem_fn;
+
+} // namespace boost
+
+#else
+
 #include <boost/config.hpp>
 #include <boost/get_pointer.hpp>
 #include <boost/detail/workaround.hpp>
@@ -386,4 +399,6 @@ template<class R, class T> _mfi::dm<R, T> mem_fn(R T::*f)
 
 } // namespace boost
 
+#endif
+
 #endif // #ifndef BOOST_BIND_MEM_FN_HPP_INCLUDED