From 5cf744c4b3ebad328d53f76fd0ce540b8789aa65 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ion=20Gazta=C3=B1aga?= <igaztanaga@gmail.com>
Date: Thu, 23 May 2024 22:31:41 +0200
Subject: [PATCH] Use pointer_traits casting functions instead of reference/ptr
 conversions casts

---
 include/boost/intrusive/detail/hook_traits.hpp | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/include/boost/intrusive/detail/hook_traits.hpp b/include/boost/intrusive/detail/hook_traits.hpp
index c33ede0d..bc51cdeb 100644
--- a/include/boost/intrusive/detail/hook_traits.hpp
+++ b/include/boost/intrusive/detail/hook_traits.hpp
@@ -46,6 +46,10 @@ struct bhtraits_base
       template rebind_pointer<T>::type                               pointer;
    typedef typename pointer_traits<node_ptr>::
       template rebind_pointer<const T>::type                         const_pointer;
+   typedef typename pointer_traits<node_ptr>::
+      template rebind_pointer<node_holder_type>::type                node_holder_ptr;
+   typedef typename pointer_traits<node_ptr>::
+      template rebind_pointer<const node_holder_type>::type          const_node_holder_ptr;
    typedef T &                                                       reference;
    typedef const T &                                                 const_reference;
    typedef node_holder_type &                                        node_holder_reference;
@@ -55,16 +59,14 @@ struct bhtraits_base
 
    inline static pointer to_value_ptr(node_ptr n)
    {
-      pointer p = pointer_traits<pointer>::pointer_to
-         (static_cast<reference>(static_cast<node_holder_reference>(*n)));
-      return p;
+      return pointer_traits<pointer>::
+         static_cast_from(pointer_traits<node_holder_ptr>::static_cast_from(n));
    }
 
    inline static const_pointer to_value_ptr(const_node_ptr n)
    {
-      const_pointer p = pointer_traits<const_pointer>::pointer_to
-         (static_cast<const_reference>(static_cast<const_node_holder_reference>(*n)));
-      return p;
+      return pointer_traits<const_pointer>::
+         static_cast_from(pointer_traits<const_node_holder_ptr>::static_cast_from(n));
    }
 
    inline static node_ptr to_node_ptr(reference value)