[core] Fix modernize-pass-by-value errors in header files

As reported by clang-tidy-8.

1 files changed, 7 insertions, 8 deletions

diff --git a/src/mbgl/renderer/render_tree.hpp b/src/mbgl/renderer/render_tree.hpp
index df1b5c6c7f..4c505995db 100644
--- a/src/mbgl/renderer/render_tree.hpp
+++ b/src/mbgl/renderer/render_tree.hpp
@@ -5,6 +5,7 @@
 #include <cassert>
 #include <memory>
 #include <string>
+#include <utility>
 #include <vector>
 
 namespace mbgl {
@@ -29,18 +30,16 @@ using RenderItems = std::vector<std::reference_wrapper<const RenderItem>>;
 
 class RenderTreeParameters {
 public:
-    explicit RenderTreeParameters(
-        const TransformState& state_,
-        MapMode mapMode_,
-        MapDebugOptions debugOptions_,
-        TimePoint timePoint_,
-        const EvaluatedLight& light_)
+    explicit RenderTreeParameters(const TransformState& state_,
+                                  MapMode mapMode_,
+                                  MapDebugOptions debugOptions_,
+                                  TimePoint timePoint_,
+                                  EvaluatedLight light_)
         : transformParams(state_),
           mapMode(mapMode_),
           debugOptions(debugOptions_),
           timePoint(timePoint_),
-          light(light_) {
-    }
+          light(std::move(light_)) {}
     TransformParameters transformParams;
     MapMode mapMode;
     MapDebugOptions debugOptions;