From cec93d0c9fd95fbc5075245109a5bdb53894e2f2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Loriot?= <sebastien.loriot@cgal.org>
Date: Thu, 27 May 2021 14:36:55 +0200
Subject: [PATCH] special case for pointers

---
 Hash_map/include/CGAL/Handle_hash_function.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Hash_map/include/CGAL/Handle_hash_function.h b/Hash_map/include/CGAL/Handle_hash_function.h
index 0ff617d8c05..7a77b9486ed 100644
--- a/Hash_map/include/CGAL/Handle_hash_function.h
+++ b/Hash_map/include/CGAL/Handle_hash_function.h
@@ -37,6 +37,16 @@ namespace internal{
           sizeof( typename std::iterator_traits<H>::value_type);
       }
     };
+
+    template <class H>
+    struct Hash_functor<H*>{
+      std::size_t
+      operator()(const H* h)
+      {
+        return std::size_t(h) /
+          sizeof(H);
+      }
+    };
   }
 }