1 files changed, 10 insertions, 6 deletions
diff --git a/2024/2/p2.rs b/2024/2/p2.rs
index d21f102..78224c4 100644
--- a/2024/2/p2.rs
+++ b/2024/2/p2.rs
@@ -10,10 +10,12 @@ use Direction::*;
 
 fn is_safe(levels: &[u32]) -> bool {
     let mut direction = Unknown;
-    for i in 0..levels.len()-1 {
-        let [x, y] = levels[i..=i+1] else { panic!("unreachable") };
-        let (diff, d) = if x > y { (x-y, Down) } else { (y-x, Up) };
-        if direction == Unknown {
+    for i in 0..levels.len() - 1 {
+        let [x, y] = levels[i..=i + 1] else {
+            unreachable!()
+        };
+        let (diff, d) = if x > y { (x - y, Down) } else { (y - x, Up) };
+        if let Unknown = direction {
             direction = d;
         }
         if diff == 0 || diff > 3 || direction != d {
@@ -39,8 +41,10 @@ fn main() {
 
     let mut total = 0;
     for report in input.lines() {
-        let levels: Vec<u32> =
-            report.split_whitespace().map(|l| l.parse().unwrap()).collect();
+        let levels: Vec<u32> = report
+            .split_whitespace()
+            .map(|l| l.parse().unwrap())
+            .collect();
         if is_safe(&levels) || is_safe_with_dampener(&levels) {
             total += 1;
         }