From d13d6566f80b3ab6e950afbbb18a3e7a7625a84a Mon Sep 17 00:00:00 2001
From: Patrick Niklaus <patrick.niklaus@student.kit.edu>
Date: Wed, 7 Feb 2018 23:00:13 +0000
Subject: [PATCH] Fix infinite recursion warning

---
 unit_tests/server/parameters_io.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/unit_tests/server/parameters_io.hpp b/unit_tests/server/parameters_io.hpp
index e5e00d517..527614876 100644
--- a/unit_tests/server/parameters_io.hpp
+++ b/unit_tests/server/parameters_io.hpp
@@ -57,7 +57,7 @@ inline std::ostream &operator<<(std::ostream &out, Bearing bearing)
 
 inline std::ostream &operator<<(std::ostream &out, Approach approach)
 {
-    out << approach;
+    out << static_cast<int>(approach);
     return out;
 }
 }