From f7218dadd692e9f20af27aef063f32cd50d1e578 Mon Sep 17 00:00:00 2001
From: Laurent Rineau <laurent.rineau@cgal.org>
Date: Fri, 31 Jan 2020 14:19:49 +0100
Subject: [PATCH] Do not use swap for the move-assignment of TDS_3

We can write the operator easily without swap.
---
 TDS_3/include/CGAL/Triangulation_data_structure_3.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/TDS_3/include/CGAL/Triangulation_data_structure_3.h b/TDS_3/include/CGAL/Triangulation_data_structure_3.h
index f0c35a7a1e3..82744371605 100644
--- a/TDS_3/include/CGAL/Triangulation_data_structure_3.h
+++ b/TDS_3/include/CGAL/Triangulation_data_structure_3.h
@@ -251,8 +251,9 @@ public:
   Tds & operator= (Tds && tds)
     noexcept(noexcept(Tds(std::move(tds))))
   {
-    Tds tmp(std::move(tds));
-    swap(tmp);
+    _cells = std::move(tds._cells);
+    _vertices = std::move(tds._vertices);
+    _dimension = std::exchange(tds._dimension, -2);
     return *this;
   }