()
| 124 | } |
| 125 | |
| 126 | fn parse_args() -> Opts { |
| 127 | let args: Vec<String> = env::args().collect(); |
| 128 | let filename = args.get(1).expect("a file is required").to_owned(); |
| 129 | |
| 130 | Opts { filename } |
| 131 | } |
| 132 | |
| 133 | #[tokio::main] |
| 134 | async fn main() -> Result<()> { |