From 153832fbba3a2c2f85b31a131caa6f1b50fe3cc8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Loriot?= <sebastien.loriot@cgal.org>
Date: Wed, 9 Oct 2019 18:06:30 +0200
Subject: [PATCH] add a function to reset a Handle

---
 STL_Extension/include/CGAL/Handle.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/STL_Extension/include/CGAL/Handle.h b/STL_Extension/include/CGAL/Handle.h
index 14304c4a7b8..d17b52b0e32 100644
--- a/STL_Extension/include/CGAL/Handle.h
+++ b/STL_Extension/include/CGAL/Handle.h
@@ -75,6 +75,15 @@ class Handle
       return *this;
     }
 
+    void reset()
+    {
+      if (PTR)
+      {
+        --PTR->count;
+        PTR=0;
+      }
+    }
+
     int
     refs()  const { return PTR->count; }