distance_to_polyline: generic return type

motis-project · Sep 8, 2024 · 66b3488 · 66b3488
1 parent 0a14add
commit 66b3488
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/include/geo/polyline.h b/include/geo/polyline.h
@@ -76,8 +76,8 @@ struct polyline_candidate {
  std::size_t segment_idx_;
 };
 
-template <typename Polyline>
-polyline_candidate distance_to_polyline(latlng const& x, Polyline&& c) {
+template <typename Candidate = polyline_candidate, typename Polyline>
+Candidate distance_to_polyline(latlng const& x, Polyline&& c) {
  auto min = std::numeric_limits<double>::max();
  auto best = latlng{};
  auto best_segment_idx = 0U;