Avoid copying

joto · joto · commit 32a50ba59b39 · 2021-01-18T20:45:19.000+01:00
diff --git a/src/geom.cpp b/src/geom.cpp
@@ -64,7 +64,7 @@ void split_linestring(linestring_t const &line, double split_at,
     osmium::geom::Coordinates prev_pt{};
     out->emplace_back();
 
-    for (auto const this_pt : line) {
+    for (auto const &this_pt : line) {
         if (prev_pt.valid()) {
             double const delta = distance(prev_pt, this_pt);
 
diff --git a/src/geom.hpp b/src/geom.hpp
@@ -116,7 +116,7 @@ operator<<(std::basic_ostream<TChar, TTraits> &out, const linestring_t &line)
     out << "LINESTRING(";
 
     bool first = true;
-    for (auto const coord : line) {
+    for (auto const &coord : line) {
         if (first) {
             first = false;
         } else {
