The guessing game from the Rust book

main.rs

use std::io;
use std::cmp::Ordering;
use rand::Rng;

fn main() {
    println!("Guess the number!");

    let secret_number = rand::thread_rng().gen_range(1, 101);

    loop {
        println!("Please input your guess.");
        let mut guess = String::new();
        io::stdin().read_line(&mut guess).expect("Failed to read line");

        let guess: u32 = match guess.trim().parse() {
            Ok(number) => number,
            Err(error) => { println!("{}", error); continue }
        };

        println!("You guessed: {}", guess);

        match guess.cmp(&secret_number) {
            Ordering::Less => println!("Too small!"),
            Ordering::Greater => println!("Too big!"),
            Ordering::Equal => { println!("You win!"); break; }
        }
    }
}