{"format": 2, "nodes": [], "wires": [], "functions": [{"name": "f", "version": 1, "nodes": [{"id": 0, "type_id": "FunctionInput", "properties": {"name": "x", "type": "f64"}}, {"id": 0, "type_id": "FunctionOutput", "properties": {"name": "y", "type": "f64"}}], "wires": []}]}