| 1 | use std::env; |
| 2 | |
| 3 | use hello::{greeting, parse_args}; |
| 4 | |
| 5 | fn main() { |
| 6 | // The name given, or whoever is signed in. |
| 7 | let name = parse_args(env::args().skip(1)) |
| 8 | .name |
| 9 | .or_else(|| env::var("USER").ok()) |
| 10 | .unwrap_or_else(|| "world".to_owned()); |
| 11 | println!("{}", greeting(&name)); |
| 12 | } |