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Rust Guessing Game
extern crate rand;
use std::io;
use rand::Rng;
use std::cmp::Ordering;
fn main() {
println!("Guess the number!");
let secret_number = rand::thread_rng().gen_range(1, 101);
// println!("The secret number is: {}", secret_number);
loop {
if get_and_check(&secret_number) {
break;
}
}
}
fn get_and_check(secret: &u32) -> bool {
let mut guess = String::new();
io::stdin()
.read_line(&mut guess)
.expect("Failed to read line");
let guess: u32 = match guess.trim().parse() {
Ok(num) => num,
Err(_) => {
println!("{} is not a number. Try again: ", guess.trim());
return false;
}
};
println!("You guessed: {}", guess);
match guess.cmp(secret) {
Ordering::Less => println!("Too small"),
Ordering::Greater => println!("Too big!"),
Ordering::Equal => {
println!("You win!");
return true;
}
}
false
}
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