diff --git a/rs/src/board.rs b/rs/src/board.rs
index ac590ed..f598d0c 100644
--- a/rs/src/board.rs
+++ b/rs/src/board.rs
@@ -47,10 +47,7 @@ impl Position {
             self.file.delta(delta_file)?,
         ))
     }
-    fn deltas_to_valid_positions(
-        &self,
-        deltas: &Vec<(i8, i8)>,
-    ) -> Vec<Position> {
+    fn deltas_to_valid_positions(&self, deltas: &[(i8, i8)]) -> Vec<Position> {
         deltas
             .iter()
             .filter_map(|&delta_rank_file| self.delta(delta_rank_file).ok())
@@ -89,9 +86,7 @@ where
 {
     const ALL_VALUES: [Self; 8];
     fn new(index: u8) -> Result<Self, ()> {
-        return Ok(
-            Self::ALL_VALUES[Self::validate_index(index)? as usize].clone()
-        );
+        Ok(Self::ALL_VALUES[Self::validate_index(index)? as usize].clone())
     }
     fn validate_index(index: u8) -> Result<u8, ()> {
         if index as usize >= Self::ALL_VALUES.len() {
@@ -194,14 +189,14 @@ impl Piece {
     fn _pawn_get_move_deltas(&self, position: &Position) -> Vec<(i8, i8)> {
         let direction = self.color.get_direction();
         if position.rank == self.color.get_pawn_rank() {
-            vec![(1 * direction, 0), (2 * direction, 0)]
+            vec![(direction, 0), (2 * direction, 0)]
         } else {
-            vec![(1 * direction, 0)]
+            vec![(direction, 0)]
         }
     }
     fn _pawn_get_capture_deltas(&self) -> Vec<(i8, i8)> {
         let direction = self.color.get_direction();
-        vec![(1 * direction, 1), (1 * direction, -1)]
+        vec![(direction, 1), (direction, -1)]
     }
 }
 
@@ -211,7 +206,7 @@ pub struct Board {
 
 impl Board {
     pub fn get_at(&self, position: &Position) -> Option<&Piece> {
-        return self.state.get(position);
+        self.state.get(position)
     }
     pub fn set_at(
         &mut self,