Pick any line to see why it is the way it is: the commit, the pull request and issue it came from, and what the agent was thinking.
| Greet people from the command line | 1 | use std::env; |
| 2 | ||
| 3 | use hello::greeting; | |
| 4 | ||
| 5 | fn main() { | |
| 6 | // The name given, or whoever is signed in. | |
| 7 | let name = env::args() | |
| 8 | .nth(1) | |
| 9 | .or_else(|| env::var("USER").ok()) | |
| 10 | .unwrap_or_else(|| "world".to_owned()); | |
| 11 | println!("{}", greeting(&name)); | |
| 12 | } |