From bdcd3772a281e97c9c240fbbf8dfaedb15b035a2 Mon Sep 17 00:00:00 2001
From: Arne Morten Kvarving <arne.morten.kvarving@sintef.no>
Date: Fri, 20 Feb 2026 13:27:47 +0100
Subject: [PATCH] replace std::set_symmetric_difference with
 std::ranges::set_symmetric_difference where appropriate

the c++-20 constrained algorithm is safer and code is more readable
---
 opm/simulators/flow/SimulatorSerializer.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/opm/simulators/flow/SimulatorSerializer.cpp b/opm/simulators/flow/SimulatorSerializer.cpp
index 35130d2892..61a63ff789 100644
--- a/opm/simulators/flow/SimulatorSerializer.cpp
+++ b/opm/simulators/flow/SimulatorSerializer.cpp
@@ -219,9 +219,8 @@ void SimulatorSerializer::checkSerializedCmdLine(const std::string& current,
     stored_strings = filter_strings(stored_strings);
 
     std::vector<std::string> difference;
-    std::set_symmetric_difference(stored_strings.begin(), stored_strings.end(),
-                                  curr_strings.begin(), curr_strings.end(),
-                                  std::back_inserter(difference));
+    std::ranges::set_symmetric_difference(stored_strings, curr_strings,
+                                          std::back_inserter(difference));
 
     if (!difference.empty()) {
         std::vector<std::string> only_stored, only_curr;