rustfmt

day9/src/main.rs

@@ -13,7 +13,7 @@ const ZERO: IVec2 = IVec2::new(0, 0);
 
 fn main() {
     const INPUT: &str = include_str!("../input.txt");
-    
+
     let mut visited: HashSet<IVec2> = HashSet::new();
 
     let mut knots: [IVec2; 10] = [ZERO; 10];
@@ -25,7 +25,7 @@ fn main() {
             'L' => LEFT,
             'U' => UP,
             'D' => DOWN,
-            _   => ZERO,
+            _ => ZERO,
         };
         let steps: u32 = steps.parse().unwrap();
 
@@ -46,7 +46,7 @@ fn main() {
                     if diff.x == 0 {
                         knot.y += diff.y.signum();
                     } else if diff.y == 0 {
-                        knot.x += diff.x.signum(); 
+                        knot.x += diff.x.signum();
                     } else {
                         knot.x += diff.x.signum();
                         knot.y += diff.y.signum();