use std::env; use std::process; use minigrep; use minigrep::Config; fn main() { let args: Vec = env::args().collect(); let config = Config::new(&args).unwrap_or_else(|err| { println!("Problem parsing arguments: {}", err); process::exit(1); }); println!("Searching for {} in file {}", config.query, config.filename); if let err = minigrep::run(config) { println!("Application error: {}", err); process::exit(1); } }