From 369d11587339ce74f8ebc76f2607fe55545eaf7d Mon Sep 17 00:00:00 2001 From: garhve Date: Tue, 20 Dec 2022 11:04:25 +0800 Subject: Build small project following the book --- .../guessing_game/src/main.rs | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 rust/theBook/chapter-2-guessing-game/guessing_game/src/main.rs (limited to 'rust/theBook/chapter-2-guessing-game/guessing_game/src') diff --git a/rust/theBook/chapter-2-guessing-game/guessing_game/src/main.rs b/rust/theBook/chapter-2-guessing-game/guessing_game/src/main.rs new file mode 100644 index 0000000..db8f51f --- /dev/null +++ b/rust/theBook/chapter-2-guessing-game/guessing_game/src/main.rs @@ -0,0 +1,35 @@ +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..=100); + + loop { + println!("Please input your number."); + + 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(_) => 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; + }, + } + } +} -- cgit v1.2.3-70-g09d2