From ed9dffe80df037c5243e7dfa9381c23efaea6d49 Mon Sep 17 00:00:00 2001
From: Laurent Rineau <laurent.rineau@cgal.org>
Date: Fri, 21 Jun 2019 09:39:42 +0200
Subject: [PATCH] remove the attempt for `os << std::pair`

---
 .../CGAL/internal/Mesh_3/Handle_IO_for_pair_of_int.h       | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/Mesh_3/include/CGAL/internal/Mesh_3/Handle_IO_for_pair_of_int.h b/Mesh_3/include/CGAL/internal/Mesh_3/Handle_IO_for_pair_of_int.h
index 8eee712d970..604039ce667 100644
--- a/Mesh_3/include/CGAL/internal/Mesh_3/Handle_IO_for_pair_of_int.h
+++ b/Mesh_3/include/CGAL/internal/Mesh_3/Handle_IO_for_pair_of_int.h
@@ -41,13 +41,6 @@ struct Get_io_signature<std::pair<int, int> > {
   }
 }; // end Get_io_signature<std::pair<int, int> >
 
-inline std::ostream& operator<<(std::ostream& out, const std::pair<int, int>& id) {
-  return out << id.first << " " << id.second;
-}
-inline std::istream& operator>>(std::istream& in, std::pair<int, int>& id) {
-  return in >> id.first >> id.second;
-}
-
 template <>
 class Output_rep<std::pair<int, int> > : public IO_rep_is_specialized {
   typedef std::pair<int, int> T;