[core] Fix modernize-use-equals-default errors in header files

As reported by clang-tidy-8.

6 files changed, 7 insertions, 7 deletions

diff --git a/include/mbgl/map/camera.hpp b/include/mbgl/map/camera.hpp
index c8b665fc16..726c009231 100644
--- a/include/mbgl/map/camera.hpp
+++ b/include/mbgl/map/camera.hpp
@@ -89,7 +89,7 @@ struct AnimationOptions {
     std::function<void()> transitionFinishFn;
 
     /** Creates an animation with no options specified. */
-    AnimationOptions() {}
+    AnimationOptions() = default;
 
     /** Creates an animation with the specified duration. */
     AnimationOptions(Duration d)
diff --git a/include/mbgl/style/filter.hpp b/include/mbgl/style/filter.hpp
index 5e14bccacc..c3ce6833fb 100644
--- a/include/mbgl/style/filter.hpp
+++ b/include/mbgl/style/filter.hpp
@@ -18,7 +18,7 @@ public:
 private:
     optional<mbgl::Value> legacyFilter;
 public:
-    Filter() {}
+    Filter() = default;
 
     Filter(expression::ParseResult _expression, optional<mbgl::Value> _filter = {})
     : expression(std::move(*_expression)),
diff --git a/platform/node/src/node_map.hpp b/platform/node/src/node_map.hpp
index 4349cbabe2..29c4547b24 100644
--- a/platform/node/src/node_map.hpp
+++ b/platform/node/src/node_map.hpp
@@ -97,7 +97,7 @@ public:
 
 struct NodeFileSource : public mbgl::FileSource {
     NodeFileSource(NodeMap* nodeMap_) : nodeMap(nodeMap_) {}
-    ~NodeFileSource() {}
+    ~NodeFileSource() = default;
     std::unique_ptr<mbgl::AsyncRequest> request(const mbgl::Resource&, mbgl::FileSource::Callback) final;
     bool canRequest(const mbgl::Resource&) const override;
     NodeMap* nodeMap;
diff --git a/platform/node/src/util/async_queue.hpp b/platform/node/src/util/async_queue.hpp
index a084b866ae..e9d9e23626 100644
--- a/platform/node/src/util/async_queue.hpp
+++ b/platform/node/src/util/async_queue.hpp
@@ -22,7 +22,7 @@ public:
             q->process();
         });
     }
-    ~AsyncQueue() {}
+    ~AsyncQueue() = default;
 
     void send(T &&data) {
         {
diff --git a/src/mbgl/layout/symbol_projection.hpp b/src/mbgl/layout/symbol_projection.hpp
index e04f8908b6..598073bf55 100644
--- a/src/mbgl/layout/symbol_projection.hpp
+++ b/src/mbgl/layout/symbol_projection.hpp
@@ -30,8 +30,7 @@ namespace mbgl {
         {}
         PlacedGlyph(PlacedGlyph&& other) noexcept
             : point(other.point), angle(other.angle), tileDistance(std::move(other.tileDistance)) {}
-        PlacedGlyph(const PlacedGlyph& other)
-            : point(other.point), angle(other.angle), tileDistance(other.tileDistance) {}
+        PlacedGlyph(const PlacedGlyph& other) = default;
         Point<float> point;
         float angle;
         optional<TileDistance> tileDistance;
diff --git a/src/mbgl/text/collision_feature.hpp b/src/mbgl/text/collision_feature.hpp
index f9ad659570..2486600832 100644
--- a/src/mbgl/text/collision_feature.hpp
+++ b/src/mbgl/text/collision_feature.hpp
@@ -36,9 +36,10 @@ public:
 
 private:
     union Geometry {
+        // NOLINTNEXTLINE(modernize-use-equals-default)
+        Geometry() {}
         Geometry(float x1, float y1, float x2, float y2) : box({x1, y1}, {x2, y2}) {}
         Geometry(float x, float y, float r) : circle({x, y}, r) {}
-        Geometry() {}
         mapbox::geometry::box<float> box;
         geometry::circle<float> circle;
     } geometry;