Use std::ranges::subrange instead of boost::iterator_range

include/engine/guidance/route_step.hpp

@@ -14,7 +14,7 @@
 #include <string>
 #include <vector>
 
-#include <boost/range/iterator_range.hpp>
+#include <ranges>
 
 namespace osrm::engine::guidance
 {
@@ -220,14 +220,14 @@ inline auto RouteStep::LanesToTheLeft() const
 {
     const auto &description = intersections.front().lane_description;
     LaneID num_lanes_left = NumLanesToTheLeft();
-    return boost::make_iterator_range(description.begin(), description.begin() + num_lanes_left);
+    return std::ranges::subrange(description.begin(), description.begin() + num_lanes_left);
 }
 
 inline auto RouteStep::LanesToTheRight() const
 {
     const auto &description = intersections.front().lane_description;
     LaneID num_lanes_right = NumLanesToTheRight();
-    return boost::make_iterator_range(description.end() - num_lanes_right, description.end());
+    return std::ranges::subrange(description.end() - num_lanes_right, description.end());
 }
 
 } // namespace osrm::engine::guidance

include/extractor/class_data.hpp

@@ -6,6 +6,7 @@
 #include <algorithm>
 #include <cctype>
 #include <cstdint>
+#include <string>
 
 namespace osrm::extractor
 {

include/extractor/node_restriction_map.hpp

@@ -26,7 +26,7 @@ template <typename RestrictionFilter> class NodeRestrictionMap
     // Find all restrictions applicable to (from,via,*) turns
     auto Restrictions(NodeID from, NodeID via) const
     {
-        return getRange(from, via) | boost::adaptors::filtered(index_filter);
+        return getRange(from, via) | std::views::filter(index_filter);
     };
 
     // Find all restrictions applicable to (from,via,to) turns
@@ -34,7 +34,7 @@ template <typename RestrictionFilter> class NodeRestrictionMap
     {
         const auto turnFilter = [this, to](const auto &restriction)
         { return index_filter(restriction) && restriction->IsTurnRestricted(to); };
-        return getRange(from, via) | boost::adaptors::filtered(turnFilter);
+        return getRange(from, via) | std::views::filter(turnFilter);
     };
 
   private:

include/extractor/restriction_graph.hpp

@@ -6,7 +6,7 @@
 #include "util/node_based_graph.hpp"
 #include "util/std_hash.hpp"
 #include "util/typedefs.hpp"
-
+#include <ranges>
 #include <unordered_map>
 
 namespace osrm::extractor
@@ -102,9 +102,9 @@ struct RestrictionGraph
     friend restriction_graph_details::transferBuilder;
     friend RestrictionGraph constructRestrictionGraph(const std::vector<TurnRestriction> &);
 
-    using EdgeRange = boost::iterator_range<std::vector<RestrictionEdge>::const_iterator>;
+    using EdgeRange = std::ranges::subrange<std::vector<RestrictionEdge>::const_iterator>;
     using RestrictionRange =
-        boost::iterator_range<std::vector<const TurnRestriction *>::const_iterator>;
+        std::ranges::subrange<std::vector<const TurnRestriction *>::const_iterator>;
     using EdgeKey = std::pair<NodeID, NodeID>;
 
     // Helper functions for iterating over node restrictions and edges

include/partitioner/bisection_graph_view.hpp

@@ -5,7 +5,7 @@
 
 #include <boost/iterator/filter_iterator.hpp>
 #include <boost/iterator/iterator_facade.hpp>
-#include <boost/range/iterator_range.hpp>
+#include <ranges>
 
 #include <cstddef>
 #include <cstdint>
@@ -40,7 +40,7 @@ class BisectionGraphView
     // Iteration over all nodes (direct access into the node)
     ConstNodeIterator Begin() const;
     ConstNodeIterator End() const;
-    auto Nodes() const { return boost::make_iterator_range(begin, end); }
+    auto Nodes() const { return std::ranges::subrange(begin, end); }
 
     // Re-Construct the ID of a node from a reference
     NodeID GetID(const NodeT &node) const;

include/util/bit_range.hpp

@@ -4,7 +4,7 @@
 #include "util/msb.hpp"
 
 #include <boost/iterator/iterator_facade.hpp>
-#include <boost/range/iterator_range.hpp>
+#include <ranges>
 
 namespace osrm::util
 {
@@ -88,7 +88,7 @@ class BitIterator : public boost::iterator_facade<BitIterator<DataT>,
 // Returns range over all 1 bits of value
 template <typename T> auto makeBitRange(const T value)
 {
-    return boost::make_iterator_range(BitIterator<T>{value}, BitIterator<T>{});
+    return std::ranges::subrange(BitIterator<T>{value}, BitIterator<T>{});
 }
 } // namespace osrm::util