refactor

Author: rootulp

rust/bowling/src/lib.rs

@@ -143,11 +143,8 @@ impl BowlingGame {
         let next_frame = self.frames.get(frame_index + 1);
         if next_frame.unwrap().is_strike() {
             let next_next_frame = self.frames.get(frame_index + 2);
-            if next_next_frame.is_some() {
-                return (
-                    Some(next_frame.unwrap().roll1),
-                    Some(next_next_frame.unwrap().roll1),
-                );
+            if let Some(nnf) = next_next_frame {
+                return (Some(next_frame.unwrap().roll1), Some(nnf.roll1));
             } else {
                 return (Some(next_frame.unwrap().roll1), self.fill_ball1);
             }