{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"args_iter.next().map_or(Ok(()),"}]}
            args_iter.next().map_or(Ok(()), |arg| write!(writer, "{}", pretty_operand(arg)))?;
            let mut args_iter = args.iter();
            args_iter.try_for_each(|arg| write!(writer, ", {}", pretty_operand(arg)))?;