Step 2

目标：生成一个秘密数字

查看提示

需要导入 rand::Rng, 并使用 rand::thread_rng().gen_range(1, 101) 生成秘密数字，并打印出来。

Step2 answer

# Cargo.toml

[dependencies]
rand = "0.5.5"

use std::io;
use rand::Rng;

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

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

    println!("The secret number is: {}", secret_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);
}