I'm not certain, just learning it. You might find this blog post that does a code review of ripgrep interesting, though. It's a deep dive into a serious-scale c

I'm not certain, just learning it. You might find this blog post that does a code review of ripgrep interesting, though. It's a deep dive into a serious-scale cli tool. https://web.archive.org/web/20190401042439/http://blog.mbrt.it/2016-12-01-ripgrep-code-review/ https://web.archive.org/web/20190401042439/http://blog.mbrt.... Here's what the main function looks like: fn main() { match Args::parse().and_then(run) { Ok(count) if count == 0 => process::exit(1), Ok(_) => process::exit(0), Err(err) => { eprintln!("{}", err); process::exit(1); } } }