cleanup and fix warnings

src/repr/board.rs

@@ -1,7 +1,11 @@
 use super::{bitboard::BitBoard, piece::Piece, CoordAxis, CoordPair};
 use arrayvec::ArrayVec;
 use rand::seq::IteratorRandom;
-use std::{cmp::Ordering, fmt};
+use std::{
+    cmp::Ordering,
+    fmt,
+    ops::{BitAndAssign, BitOrAssign},
+};
 
 /// Map of all points on the board against some type T
 /// Used to index like so: example[i][j]
@@ -274,8 +278,8 @@ impl Board {
     }
 
     fn apply_flip_mask(&mut self, color: Piece, flip_mask: BitBoard) {
-        *get_board!(mut self, color) |= flip_mask;
-        *get_board!(mut self, color.flip()) &= !flip_mask;
+        get_board!(mut self, color).bitor_assign(flip_mask);
+        get_board!(mut self, color.flip()).bitand_assign(!flip_mask);
     }
 
     /// Propegate piece captures originating from (i, j)