From 47e7b11b250413ca6c290d48ada3b519483d7727 Mon Sep 17 00:00:00 2001
From: Carlo Varni <75478407+CarloVarni@users.noreply.github.com>
Date: Tue, 9 Apr 2024 15:33:57 +0200
Subject: [PATCH] Reserve and move

---
 Core/include/Acts/TrackFinding/CombinatorialKalmanFilter.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Core/include/Acts/TrackFinding/CombinatorialKalmanFilter.hpp b/Core/include/Acts/TrackFinding/CombinatorialKalmanFilter.hpp
index 47e27fd9893..d346b2e4466 100644
--- a/Core/include/Acts/TrackFinding/CombinatorialKalmanFilter.hpp
+++ b/Core/include/Acts/TrackFinding/CombinatorialKalmanFilter.hpp
@@ -1190,6 +1190,7 @@ class CombinatorialKalmanFilter {
     }
 
     std::vector<typename TrackContainer::TrackProxy> tracks;
+    tracks.reserve(combKalmanResult.lastMeasurementIndices.size());
 
     for (auto tip : combKalmanResult.lastMeasurementIndices) {
       auto track = trackContainer.makeTrack();
@@ -1209,7 +1210,7 @@ class CombinatorialKalmanFilter {
 
       calculateTrackQuantities(track);
 
-      tracks.push_back(track);
+      tracks.push_back(std::move(track));
     }
 
     return tracks;