From d43019d9bddfc7f6170db6015326e4b30133fdad Mon Sep 17 00:00:00 2001
From: Tim Clephas <tim.clephas@nobleo.nl>
Date: Sat, 4 Feb 2023 19:51:16 +0100
Subject: [PATCH] Fix code-analyser bug

---
 diagnostic_aggregator/src/aggregator.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/diagnostic_aggregator/src/aggregator.cpp b/diagnostic_aggregator/src/aggregator.cpp
index 002f944db..99d75df72 100644
--- a/diagnostic_aggregator/src/aggregator.cpp
+++ b/diagnostic_aggregator/src/aggregator.cpp
@@ -129,9 +129,9 @@ void Aggregator::checkTimestamp(const DiagnosticArray::SharedPtr diag_msg)
     stamp_warn += it->name;
   }
 
-  if (!ros_warnings_.count(stamp_warn)) {
+  auto result = ros_warnings_.insert(stamp_warn);
+  if (result.second) {
     RCLCPP_WARN(logger_, "%s", stamp_warn.c_str());
-    ros_warnings_.insert(stamp_warn);
   }
 }