public override IAnalysisSet BinaryOperation(Node node, AnalysisUnit unit, PythonOperator operation, IAnalysisSet rhs) { string op = BinaryOpToString(operation); if (op != null) { IAnalysisSet res; if (TryInvokeMethod(node, unit, op, new[] { rhs }, out res)) { return(res); } } return(_instances.BinaryOperation( node, unit, operation, rhs )); }