From 17d8e65c642a6b81d9f5dcb32f38724891475063 Mon Sep 17 00:00:00 2001
From: "Daniel J. Hofmann" <daniel@trvx.org>
Date: Fri, 4 Sep 2015 18:23:57 +0200
Subject: [PATCH] Silence unused variable warnings

---
 algorithms/trip_brute_force.hpp             | 4 +++-
 algorithms/trip_farthest_insertion.hpp      | 1 +
 descriptors/json_descriptor.hpp             | 1 -
 plugins/match.hpp                           | 2 ++
 plugins/timestamp.hpp                       | 2 ++
 routing_algorithms/direct_shortest_path.hpp | 2 ++
 util/container.hpp                          | 2 +-
 7 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/algorithms/trip_brute_force.hpp b/algorithms/trip_brute_force.hpp
index 1b451e165..601971cf7 100644
--- a/algorithms/trip_brute_force.hpp
+++ b/algorithms/trip_brute_force.hpp
@@ -73,6 +73,8 @@ std::vector<NodeID> BruteForceTrip(const NodeIDIterator start,
                                    const std::size_t number_of_locations,
                                    const DistTableWrapper<EdgeWeight> &dist_table)
 {
+    (void)number_of_locations; // unused
+
     const auto component_size = std::distance(start, end);
 
     std::vector<NodeID> perm(start, end);
@@ -103,4 +105,4 @@ std::vector<NodeID> BruteForceTrip(const NodeIDIterator start,
 
 } // end namespace trip
 } // end namespace osrm
-#endif // TRIP_BRUTE_FORCE_HPP
\ No newline at end of file
+#endif // TRIP_BRUTE_FORCE_HPP
diff --git a/algorithms/trip_farthest_insertion.hpp b/algorithms/trip_farthest_insertion.hpp
index 5f41248a4..1300cb6f6 100644
--- a/algorithms/trip_farthest_insertion.hpp
+++ b/algorithms/trip_farthest_insertion.hpp
@@ -54,6 +54,7 @@ GetShortestRoundTrip(const NodeID new_loc,
                      const std::size_t number_of_locations,
                      std::vector<NodeID> &route)
 {
+    (void)number_of_locations; // unused
 
     auto min_trip_distance = INVALID_EDGE_WEIGHT;
     NodeIDIter next_insert_point_candidate;
diff --git a/descriptors/json_descriptor.hpp b/descriptors/json_descriptor.hpp
index a2a280cbc..3e309a493 100644
--- a/descriptors/json_descriptor.hpp
+++ b/descriptors/json_descriptor.hpp
@@ -295,7 +295,6 @@ template <class DataFacadeT> class JSONDescriptor final : public BaseDescriptor<
                                                      std::vector<Segment> &route_segments_list) const
     {
         osrm::json::Array json_instruction_array;
-
         // Segment information has following format:
         //["instruction id","streetname",length,position,time,"length","earth_direction",azimuth]
         unsigned necessary_segments_running_index = 0;
diff --git a/plugins/match.hpp b/plugins/match.hpp
index 640334215..b749f29e7 100644
--- a/plugins/match.hpp
+++ b/plugins/match.hpp
@@ -78,6 +78,8 @@ template <class DataFacadeT> class MapMatchingPlugin : public BasePlugin
     TraceClassification
     classify(const float trace_length, const float matched_length, const int removed_points) const
     {
+        (void)removed_points; // unused
+
         const double distance_feature = -std::log(trace_length) + std::log(matched_length);
 
         // matched to the same point
diff --git a/plugins/timestamp.hpp b/plugins/timestamp.hpp
index 8a5d208b7..2f609ea3a 100644
--- a/plugins/timestamp.hpp
+++ b/plugins/timestamp.hpp
@@ -47,6 +47,8 @@ template <class DataFacadeT> class TimestampPlugin final : public BasePlugin
     int HandleRequest(const RouteParameters &route_parameters,
                       osrm::json::Object &json_result) override final
     {
+        (void)route_parameters; // unused
+
         json_result.values["status"] = 0;
         const std::string timestamp = facade->GetTimestamp();
         json_result.values["timestamp"] = timestamp;
diff --git a/routing_algorithms/direct_shortest_path.hpp b/routing_algorithms/direct_shortest_path.hpp
index 2abee9874..bfd6916e8 100644
--- a/routing_algorithms/direct_shortest_path.hpp
+++ b/routing_algorithms/direct_shortest_path.hpp
@@ -62,6 +62,8 @@ class DirectShortestPathRouting final
                     const std::vector<bool> &uturn_indicators,
                     InternalRouteResult &raw_route_data) const
     {
+        (void)uturn_indicators; // unused
+
         engine_working_data.InitializeOrClearFirstThreadLocalStorage(
             super::facade->GetNumberOfNodes());
         engine_working_data.InitializeOrClearSecondThreadLocalStorage(
diff --git a/util/container.hpp b/util/container.hpp
index d455e94e2..14b88ee68 100644
--- a/util/container.hpp
+++ b/util/container.hpp
@@ -98,7 +98,7 @@ Function for_each_pair(ContainerT &container, Function function)
     return for_each_pair(std::begin(container), std::end(container), function);
 }
 
-template <class Container> void append_to_container(Container &&a) {}
+template <class Container> void append_to_container(Container &&) {}
 
 template <class Container, typename T, typename... Args>
 void append_to_container(Container &&container, T value, Args &&... args)