loop and break

guessing_game/src/main.rs

@@ -17,6 +17,7 @@ fn main() {
     let mut guess = String::new();
     // could still call this without importing it via std::io::stdin
     // this can be one line, it is broken up for readability.
+    loop {
         io::stdin()
             // & indicates that this argument is a reference,
             // references are also immutable by default so &mut is needed
@@ -30,13 +31,19 @@ fn main() {
         // shadowing V
         let guess: u32 = guess.trim().parse().expect("please type a number for the love of god");
         // trim removes space and \n
+        // single colon is type annotation
+        //
         println!("you guessed: {guess}");
         // a match expression is made of arms. an arm is a pattern to match and code to run against it.
         // switch/case
         match guess.cmp(&secret_number) {
             Ordering::Less => println!("too small"),
             Ordering::Greater => println!("too big"),
-        Ordering::Equal => println!("you win"),
+            Ordering::Equal => {
+                println!("you win");
+                break;
+            }
+        }
     }
 }
 // cargo doc --open