From 01ae7be70de7678e84eed69417c15c231a8d22c8 Mon Sep 17 00:00:00 2001
From: Simon Gardling <titaniumtown@proton.me>
Date: Wed, 12 Feb 2025 10:14:48 -0500
Subject: [PATCH] bit board improvements

---
 src/bitboard.rs | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/src/bitboard.rs b/src/bitboard.rs
index afd0d32..6dd9330 100644
--- a/src/bitboard.rs
+++ b/src/bitboard.rs
@@ -10,19 +10,31 @@ impl BitBoard {
         BitBoard(0)
     }
 
+    const fn get_index(row: usize, col: usize) -> usize {
+        row * BOARD_SIZE + col
+    }
+
     pub const fn get(&self, row: usize, col: usize) -> bool {
-        ((self.0 >> (row * BOARD_SIZE + col)) & 1) != 0
+        ((self.0 >> Self::get_index(row, col)) & 1) != 0
     }
 
     pub const fn set(&mut self, row: usize, col: usize, value: bool) {
-        let index = row * BOARD_SIZE + col;
+        let index = Self::get_index(row, col);
         if value {
-            self.0 |= 1 << index; // Set the bit at (row, col) to 1
+            self.set_bit(index); // Set the bit at (row, col) to 1
         } else {
-            self.0 &= !(1 << index); // Clear the bit at (row, col)
+            self.clear_bit(index); // Clear the bit at (row, col)
         }
     }
 
+    const fn clear_bit(&mut self, index: usize) {
+        self.0 &= !(1 << index)
+    }
+
+    const fn set_bit(&mut self, index: usize) {
+        self.0 |= 1 << index
+    }
+
     pub const fn count(&self) -> u32 {
         self.0.count_ones()
     }