| 1 | use std::env; |
| 2 | |
| 3 | use hello::{greeting, parse_args, shout}; |
| 4 | |
| 5 | fn main() { |
| 6 | let options = parse_args(env::args().skip(1)); |
| 7 | if options.version { |
| 8 | println!("{}", env!("CARGO_PKG_VERSION")); |
| 9 | return; |
| 10 | } |
| 11 | // The name given, or whoever is signed in. |
| 12 | let name = options |
| 13 | .name |
| 14 | .or_else(|| env::var("USER").ok()) |
| 15 | .unwrap_or_else(|| "world".to_owned()); |
| 16 | let message = greeting(&name); |
| 17 | println!("{}", if options.shout { shout(&message) } else { message }); |
| 18 | } |