Yet another attempt to get rid of boost::optional

include/engine/api/base_parameters.hpp

@@ -33,7 +33,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "engine/hint.hpp"
 #include "util/coordinate.hpp"
 
-#include <boost/optional.hpp>
+#include <optional>
 
 #include <algorithm>
 #include <vector>

include/engine/api/json_factory.hpp

@@ -12,7 +12,7 @@
 #include "util/coordinate.hpp"
 #include "util/json_container.hpp"
 
-#include <boost/optional.hpp>
+#include <optional>
 
 #include <algorithm>
 #include <iterator>

include/engine/api/trip_parameters.hpp

@@ -30,7 +30,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "engine/api/route_parameters.hpp"
 
-#include <boost/optional.hpp>
+#include <optional>
 #include <vector>
 
 namespace osrm::engine::api

include/engine/geospatial_query.hpp

@@ -12,7 +12,7 @@
 
 #include "osrm/coordinate.hpp"
 
-#include <boost/optional.hpp>
+#include <optional>
 
 #include <algorithm>
 #include <cmath>

include/engine/guidance/assemble_steps.hpp

@@ -17,9 +17,9 @@
 #include "util/guidance/turn_lanes.hpp"
 #include "util/typedefs.hpp"
 
-#include <boost/optional.hpp>
 #include <cstddef>
 #include <guidance/turn_bearing.hpp>
+#include <optional>
 #include <vector>
 
 namespace osrm::engine::guidance

include/engine/guidance/route_leg.hpp

@@ -3,7 +3,7 @@
 
 #include "engine/guidance/route_step.hpp"
 
-#include <boost/optional.hpp>
+#include <optional>
 
 #include <string>
 #include <vector>

include/engine/internal_route_result.hpp

@@ -15,7 +15,7 @@
 #include "util/integer_range.hpp"
 #include "util/typedefs.hpp"
 
-#include <boost/optional.hpp>
+#include <optional>
 #include <vector>
 
 namespace osrm::engine

include/engine/routing_algorithms/shortest_path_impl.hpp

@@ -4,7 +4,7 @@
 #include "engine/routing_algorithms/shortest_path.hpp"
 
 #include <boost/assert.hpp>
-#include <boost/optional.hpp>
+#include <optional>
 
 namespace osrm::engine::routing_algorithms
 {

include/nodejs/node_osrm_support.hpp

@@ -21,7 +21,7 @@
 #include <napi.h>
 
 #include <boost/assert.hpp>
-#include <boost/optional.hpp>
+#include <optional>
 
 #include <algorithm>
 #include <iterator>

include/server/api/base_parameters_grammar.hpp

@@ -7,9 +7,9 @@
 #include "engine/hint.hpp"
 #include "engine/polyline_compressor.hpp"
 
-#include <boost/optional.hpp>
 #include <boost/phoenix.hpp>
 #include <boost/spirit/include/qi.hpp>
+#include <optional>
 
 #include <limits>
 #include <string>

include/server/api/url_parser.hpp

@@ -3,7 +3,7 @@
 
 #include "server/api/parsed_url.hpp"
 
-#include <boost/optional.hpp>
+#include <optional>
 
 #include <string>
 

src/engine/api/json_factory.cpp

@@ -11,7 +11,7 @@
 #include "util/typedefs.hpp"
 
 #include <boost/assert.hpp>
-#include <boost/optional.hpp>
+#include <optional>
 
 #include <algorithm>
 #include <iterator>