From 8e58e09ba7ba4bbe7d639579e1b12986d720dbc0 Mon Sep 17 00:00:00 2001
From: fanquake <fanquake@gmail.com>
Date: Fri, 8 Apr 2022 15:00:20 +0100
Subject: [PATCH] refactor: use core/ref.hpp over ref.hpp

The later has been deprecated:
```cpp

// The header file at this path is deprecated;
// use boost/core/ref.hpp instead.

```
---
 example/cookbook/do_the_bind.cpp                          | 2 +-
 include/boost/fusion/support/deduce.hpp                   | 2 +-
 include/boost/fusion/support/detail/as_fusion_element.hpp | 2 +-
 test/functional/make_unfused.cpp                          | 2 +-
 test/sequence/deduce_sequence.cpp                         | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/example/cookbook/do_the_bind.cpp b/example/cookbook/do_the_bind.cpp
index ac5baee4..8458e64b 100644
--- a/example/cookbook/do_the_bind.cpp
+++ b/example/cookbook/do_the_bind.cpp
@@ -46,7 +46,7 @@
 #include <boost/mpl/max.hpp>
 #include <boost/mpl/next.hpp>
 
-#include <boost/ref.hpp>
+#include <boost/core/ref.hpp>
 #include <iostream>
 #include <typeinfo>
 
diff --git a/include/boost/fusion/support/deduce.hpp b/include/boost/fusion/support/deduce.hpp
index b75381c5..ee7e3dc9 100644
--- a/include/boost/fusion/support/deduce.hpp
+++ b/include/boost/fusion/support/deduce.hpp
@@ -10,7 +10,7 @@
 #define BOOST_FUSION_SUPPORT_DEDUCE_HPP_INCLUDED
 
 #include <boost/fusion/support/config.hpp>
-#include <boost/ref.hpp>
+#include <boost/core/ref.hpp>
 
 #ifndef BOOST_NO_CXX11_HDR_FUNCTIONAL
 #include <functional>
diff --git a/include/boost/fusion/support/detail/as_fusion_element.hpp b/include/boost/fusion/support/detail/as_fusion_element.hpp
index 2af960ee..08f4db92 100644
--- a/include/boost/fusion/support/detail/as_fusion_element.hpp
+++ b/include/boost/fusion/support/detail/as_fusion_element.hpp
@@ -9,7 +9,7 @@
 #define FUSION_AS_FUSION_ELEMENT_05052005_0338
 
 #include <boost/fusion/support/config.hpp>
-#include <boost/ref.hpp>
+#include <boost/core/ref.hpp>
 
 #ifndef BOOST_NO_CXX11_HDR_FUNCTIONAL
 #include <functional>
diff --git a/test/functional/make_unfused.cpp b/test/functional/make_unfused.cpp
index 73be142b..6ed38289 100644
--- a/test/functional/make_unfused.cpp
+++ b/test/functional/make_unfused.cpp
@@ -19,11 +19,11 @@
 
 #include <boost/utility/result_of.hpp>
 #include <boost/core/enable_if.hpp>
+#include <boost/core/ref.hpp>
 
 #include <boost/fusion/sequence/intrinsic/empty.hpp>
 #include <boost/fusion/algorithm/iteration/fold.hpp>
 
-#include <boost/ref.hpp>
 
 namespace fusion = boost::fusion;
 namespace mpl = boost::mpl;
diff --git a/test/sequence/deduce_sequence.cpp b/test/sequence/deduce_sequence.cpp
index a1569f46..3bccc20a 100644
--- a/test/sequence/deduce_sequence.cpp
+++ b/test/sequence/deduce_sequence.cpp
@@ -13,7 +13,7 @@
 
 #include <boost/mpl/equal.hpp>
 
-#include <boost/ref.hpp>
+#include <boost/core/ref.hpp>
 #ifndef BOOST_NO_CXX11_HDR_FUNCTIONAL
 #include <functional>
 #endif