3. Guessing Game

Let's start off with a hands-on project! We'll learn some new concepts by using them in a real program.

Process a Guess

You can either write over your Hello World program or you can create a new repl.it project. Do not just add a new file in repl.it!

main.rs

use std::io;

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

    println!("Please input your guess.");

    let mut guess = String::new();

    io::stdin().read_line(&mut guess)
        .expect("Failed to read line");

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

Let's go ahead and run it: