create BitBoard::DIRECTIONS

src/repr/board.rs

@@ -277,19 +277,7 @@ impl Board {
         let mut flip_mask = BitBoard::new();
         let seed = BitBoard::from_coord(coords);
 
-        // Directions to check: east, west, north, south, and diagonals
-        let directions = [
-            BitBoard::east,
-            BitBoard::west,
-            BitBoard::north,
-            BitBoard::south,
-            BitBoard::northeast,
-            BitBoard::northwest,
-            BitBoard::southeast,
-            BitBoard::southwest,
-        ];
-
-        for dir in directions {
+        for dir in BitBoard::DIRECTIONS {
             let mut current = seed;
             let mut temp_flips = BitBoard::new();