finish guessing game

guessing_game/src/main.rs

@@ -7,33 +7,40 @@ fn main() {
 
     // I remember looking this up. Will find the undeprecated calls later.
     let secret_number = rand::thread_rng().gen_range(1..=100);
-    println!("The secret number is: {}", secret_number);
-
-    println!("Please input your guess: ");
-
-    // ::new() is an associated type. Function is implemented on this type
-    // Returns a new instance of String
-    let mut guess = String::new();
+    // println!("Secret number: {}", secret_number);
 
     let apples = 5; // immutable
     let mut bananas = 7; // mutable
 
-    io::stdin()
-        .read_line(&mut guess)
-        .expect("Failed to read line!"); // Use this if truly want to error out. Use pattern matching otherwise
-
     // Inner programming me screaming rn. This actually isn't all that
     // bad tho. What's wrong with reusing variable names?
     // Rust calls it shadowing.
-    let guess: u32 = guess.trim().parse().expect("Please type a number!");
+    loop {
+        // ::new() is an associated type. Function is implemented on this type
+        // Returns a new instance of String
+        let mut guess = String::new();
 
-    println!("You guessed: {}", guess);
+        io::stdin()
+            .read_line(&mut guess)
+            .expect("Failed to read line!"); // Use this if truly want to error out. Use pattern matching otherwise
+        println!("You guessed: {}", guess);
 
-    match guess.cmp(&secret_number) {
-        // pogger matching
-        Ordering::Less => println!("Too Small!"),
-        // -1 => println!("Too Small!"), // Not doable
-        Ordering::Greater => println!("Too big!"),
-        Ordering::Equal => println!("You win!"),
+        // Just like Haskell. This is awesome.
+        // Really just like Haskell, this is sick af.
+        let guess: u32 = match guess.trim().parse() {
+            Ok(num) => num,
+            Err(_) => continue,
+        };
+
+        match guess.cmp(&secret_number) {
+            // pogger matching
+            Ordering::Less => println!("Too Small!"),
+            // -1 => println!("Too Small!"), // Not doable
+            Ordering::Greater => println!("Too big!"),
+            Ordering::Equal => {
+                println!("You win!");
+                break;
+            }
+        }
     }
 }