1 files changed, 9 insertions, 0 deletions
diff --git a/include/mbgl/style/data_driven_property_value.hpp b/include/mbgl/style/data_driven_property_value.hpp
index 3f9ac69436..5acf800840 100644
--- a/include/mbgl/style/data_driven_property_value.hpp
+++ b/include/mbgl/style/data_driven_property_value.hpp
@@ -45,6 +45,15 @@ public:
     bool isDataDriven() const {
         return value.template is<SourceFunction<T>>() || value.template is<CompositeFunction<T>>();
     }
+    
+    bool isZoomConstant() const {
+        return !value.template is<CameraFunction<T>>() && !value.template is<CompositeFunction<T>>();
+    }
+    
+    template <class... Ts>
+    auto match(Ts&&... ts) const {
+        return value.match(std::forward<Ts>(ts)...);
+    }
 
     template <typename Evaluator>
     auto evaluate(const Evaluator& evaluator) const {