+using std::string;
+using std::cout;
+using std::endl;
+
+namespace {
+
+TrafficVectorIterator findTraffic(TrafficVector& vec, int id)
+{
+ TrafficVectorIterator it = vec.begin();
+ for (; it != vec.end(); ++it) {
+ if (it->getId() == id) {
+ return it;
+ }
+ }
+
+ return it; // vec.end, effectively
+}
+
+void clearTrafficControllers(TrafficVector& vec)
+{
+ TrafficVectorIterator it = vec.begin();
+ for (; it != vec.end(); ++it) {
+ it->getAircraft()->clearATCController();
+ }
+}
+
+} // of anonymous namespace