looping

guessing_game/src/main.rs

@@ -1,21 +1,33 @@
-use std::io;
 use rand::Rng;
+use std::cmp::Ordering;
+use std::io;
 
 fn main() {
     println!("Guess the number!");
-
     let secret_number = rand::thread_rng().gen_range(1..=100);
-
     println!("psst. the secret number is {secret_number}");
+    loop {
+        println!("Please input your guess.");
+        let mut guess = String::new();
+        io::stdin()
+            .read_line(&mut guess)
+            .expect("Failed to read line");
 
-    println!("Please input your guess.");
+        let guess: u32 = match guess.trim().parse() {
+            Ok(num) => num,
+            Err(_) => continue,
+        };
 
-    let mut guess = String::new();
 
-    io::stdin()
-        .read_line(&mut guess)
-        .expect("Failed to read line");
-
-    println!("You guessed {guess}");
+        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;
+            }
+        }
+    }
 }