day(01): format

Signed-off-by: Matej Focko <mfocko@redhat.com>

src/bin/day01.rs

@@ -39,17 +39,13 @@ impl Solution<Output1, Output2> for Day01 {
                         digits.push(d as i32);
                     }
 
-                    if let Some(d) = NUMBERS
+                    if let Some(d) = NUMBERS.iter().enumerate().find_map(|(n, nstr)| {
-                        .iter()
+                        if line[i..].starts_with(nstr) {
-                        .enumerate()
+                            Some(n as i32 + 1)
-                        .find_map(|(n, nstr)| {
+                        } else {
-                            if line[i..].starts_with(nstr) {
+                            None
-                                Some(n as i32 + 1)
+                        }
-                            } else {
+                    }) {
-                                None
-                            }
-                        })
-                    {
                         digits.push(d)
                     }
                 }