{ "expression": ["at", 0, ["get", "array"]], "inputs": [ [{}, {"properties": {"array": [0, 1, 2]}}], [{}, {"properties": {"array": "not"}}] ], "expected": { "compiled": { "result": "success", "isFeatureConstant": false, "isZoomConstant": true, "type": "value" }, "outputs": [ 0, {"error": "Expected value to be of type array, but found string instead."} ], "serialized": ["at", 0, ["array", ["get", "array"]]] } }