From 5ea701ba5ee4a01ef0702819db0a27a12714dad3 Mon Sep 17 00:00:00 2001
From: Paul Gessinger <paul.gessinger@cern.ch>
Date: Mon, 21 Oct 2019 13:47:25 +0200
Subject: [PATCH] change KF aborter call operator signature

---
 Core/include/Acts/Fitter/KalmanFitter.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Core/include/Acts/Fitter/KalmanFitter.hpp b/Core/include/Acts/Fitter/KalmanFitter.hpp
index 02615f423..e66cf3ebc 100644
--- a/Core/include/Acts/Fitter/KalmanFitter.hpp
+++ b/Core/include/Acts/Fitter/KalmanFitter.hpp
@@ -399,8 +399,8 @@ class KalmanFitter {
 
     template <typename propagator_state_t, typename stepper_t,
               typename result_t>
-    bool operator()(const result_t& result, propagator_state_t& /*state*/,
-                    const stepper_t& /*stepper*/) const {
+    bool operator()(propagator_state_t& /*state*/, const stepper_t& /*stepper*/,
+                    const result_t& result) const {
       if (!result.result.ok()) {
         return true;
       }
-- 
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