1 files changed, 4 insertions, 0 deletions
diff --git a/include/mbgl/style/expression/array_assertion.hpp b/include/mbgl/style/expression/array_assertion.hpp
index 2516eea024..7f36f8aac2 100644
--- a/include/mbgl/style/expression/array_assertion.hpp
+++ b/include/mbgl/style/expression/array_assertion.hpp
@@ -30,6 +30,10 @@ public:
         return false;
     }
 
+    std::vector<optional<Value>> possibleOutputs() const override {
+        return input->possibleOutputs();
+    }
+
 private:
     std::unique_ptr<Expression> input;
 };