Refactor turn lane passing

include/util/concurrent_id_map.hpp

@@ -27,6 +27,23 @@ struct ConcurrentIDMap
     std::unordered_map<KeyType, ValueType, HashType> data;
     mutable UpgradableMutex mutex;
 
+    ConcurrentIDMap() = default;
+    ConcurrentIDMap(ConcurrentIDMap &&other)
+    {
+        ScopedWriterLock other_lock{other.mutex};
+        ScopedWriterLock lock{mutex};
+
+        data = std::move(other.data);
+    }
+    ConcurrentIDMap& operator=(ConcurrentIDMap &&other)
+    {
+        ScopedWriterLock other_lock{other.mutex};
+        ScopedWriterLock lock{mutex};
+
+        data = std::move(other.data);
+        return *this;
+    }
+
     const ValueType ConcurrentFindOrAdd(const KeyType &key)
     {
         {
@@ -54,4 +71,4 @@ struct ConcurrentIDMap
 } // util
 } // osrm
 
-#endif // CONCURRENT_ID_MAP_HPP
+#endif // CONCURRENT_ID_MAP_HPP