style

src/days/d4.rs

@@ -43,9 +43,7 @@ fn _silver (data: &I) -> O {
 
 fn _gold (data: &I) -> O {
     *_solve(data).find(|(s, num)| {
-
         let mut s = s.chars().collect_vec();
-
         for c in s.iter_mut() {
             match *c {
                 ' ' => (),