use std::{env, process};
fn main() {
let config = minigrep3::Config::build(env::args()).unwrap_or_else(|err| {
eprintln!("Problem parsing arguments: {}", err);
process::exit(1);
});
if let Err(err) = minigrep3::run(config) {
eprintln!("Application error: {}", err);
process::exit(1);
}
}