feat: add Square enum

1 files changed, 21 insertions, 0 deletions

diff --git a/src/bitboard.rs b/src/bitboard.rs
index 0b62f87..a4b54e5 100644
--- a/src/bitboard.rs
+++ b/src/bitboard.rs
@@ -2,6 +2,7 @@ pub type Bitboard = u64;
 
 /// Print bitboard on screen in the same way squares appear in memory
 /// (i.e the board is actually flipped along X)
+#[allow(dead_code)]
 pub fn print(bb: Bitboard) {
     for index in 0..64 {
         print!("{}", if bb >> index & 1 == 1 { "1" } else { "." });
@@ -34,6 +35,19 @@ pub fn bitscan(bb: Bitboard) -> u8 {
     pop_count(bb - 1)
 }
 
+/// Aliases to board square indexes
+#[allow(dead_code)]
+enum Square {
+  A1, B1, C1, D1, E1, F1, G1, H1,
+  A2, B2, C2, D2, E2, F2, G2, H2,
+  A3, B3, C3, D3, E3, F3, G3, H3,
+  A4, B4, C4, D4, E4, F4, G4, H4,
+  A5, B5, C5, D5, E5, F5, G5, H5,
+  A6, B6, C6, D6, E6, F6, G6, H6,
+  A7, B7, C7, D7, E7, F7, G7, H7,
+  A8, B8, C8, D8, E8, F8, G8, H8,
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -63,5 +77,12 @@ mod tests {
     fn test_bitscan_with_non_single_bb() {
         bitscan(5);
     }
+
+    #[test]
+    fn test_square_enum() {
+        assert_eq!(Square::A1 as u8, 0);
+        assert_eq!(Square::F1 as u8, 5);
+        assert_eq!(Square::H8 as u8, 63);
+    }
 }