remove unnecessary warnings, initialize correctly

include/engine/guidance/route_step.hpp

@@ -34,6 +34,11 @@ struct RouteStep
     std::size_t geometry_begin;
     std::size_t geometry_end;
 };
+
+inline RouteStep getInvalidRouteStep()
+{
+    return {0, "", "", 0, 0, TRAVEL_MODE_INACCESSIBLE, getInvalidStepManeuver(), 0, 0};
+}
 }
 }
 }

include/engine/guidance/step_maneuver.hpp

@@ -1,8 +1,8 @@
 #ifndef ENGINE_GUIDANCE_STEP_MANEUVER_HPP
 #define ENGINE_GUIDANCE_STEP_MANEUVER_HPP
 
-#include "util/coordinate.hpp"
 #include "extractor/guidance/turn_instruction.hpp"
+#include "util/coordinate.hpp"
 
 #include <cstdint>
 #include <vector>
@@ -21,7 +21,7 @@ enum class WaypointType : std::uint8_t
     Depart,
 };
 
-//A represenetation of intermediate intersections
+// A represenetation of intermediate intersections
 struct IntermediateIntersection
 {
     double duration;
@@ -39,6 +39,18 @@ struct StepManeuver
     unsigned exit;
     std::vector<IntermediateIntersection> intersections;
 };
+
+inline StepManeuver getInvalidStepManeuver()
+{
+    return {util::Coordinate{util::FloatLongitude{0.0}, util::FloatLatitude{0.0}},
+            0,
+            0,
+            extractor::guidance::TurnInstruction::NO_TURN(),
+            WaypointType::None,
+            0,
+            {}};
+}
+
 } // namespace guidance
 } // namespace engine
 } // namespace osrmn