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[bitboard, board] Remove BitBoard::empty() and BitBoard::full()

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These have been deprecated for a while. Clean up the remaining uses and remove
the methods from BitBoard.
This commit is contained in:
Eryn Wells 2025-08-15 16:14:34 -07:00
parent 3a0541a2c3
commit 3d73760146
4 changed files with 24 additions and 34 deletions
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18
bitboard/src/bitboard.rs
View file

@ -46,16 +46,6 @@ impl BitBoard {
pub const EMPTY: BitBoard = BitBoard(u64::MIN);
pub const FULL: BitBoard = BitBoard(u64::MAX);
#[deprecated(note = "Use BitBoard::EMPTY instead")]
pub const fn empty() -> BitBoard {
Self::EMPTY
}
#[deprecated(note = "Use BitBoard::FULL instead")]
pub const fn full() -> BitBoard {
Self::FULL
}
pub const fn new(bits: u64) -> BitBoard {
BitBoard(bits)
}
@ -109,7 +99,7 @@ impl BitBoard {
///
/// ```
/// use chessfriend_bitboard::BitBoard;
/// assert!(BitBoard::empty().is_empty());
/// assert!(BitBoard::EMPTY.is_empty());
/// assert!(!BitBoard::full().is_empty());
/// assert!(!BitBoard::new(0b1000).is_empty());
/// ```
@ -125,7 +115,7 @@ impl BitBoard {
///
/// ```
/// use chessfriend_bitboard::BitBoard;
/// assert!(!BitBoard::empty().is_populated());
/// assert!(!BitBoard::EMPTY.is_populated());
/// assert!(BitBoard::full().is_populated());
/// assert!(BitBoard::new(0b1).is_populated());
/// ```
@ -564,8 +554,8 @@ mod tests {
let b = bitboard![B5 G7 H3];
assert_eq!(a ^ b, bitboard![B5 C5 H3]);
assert_eq!(a ^ BitBoard::empty(), a);
assert_eq!(BitBoard::empty() ^ BitBoard::empty(), BitBoard::empty());
assert_eq!(a ^ BitBoard::EMPTY, a);
assert_eq!(BitBoard::EMPTY ^ BitBoard::EMPTY, BitBoard::EMPTY);
}
#[test]

18
bitboard/src/library.rs
View file

@ -110,14 +110,14 @@ pub(super) struct MoveLibrary {
impl MoveLibrary {
const fn new() -> MoveLibrary {
MoveLibrary {
rays: [[BitBoard::empty(); Direction::NUM]; Square::NUM],
pawn_attacks: [[BitBoard::empty(); Square::NUM]; Color::NUM],
pawn_pushes: [[BitBoard::empty(); Square::NUM]; Color::NUM],
knight_moves: [BitBoard::empty(); Square::NUM],
bishop_moves: [BitBoard::empty(); Square::NUM],
rook_moves: [BitBoard::empty(); Square::NUM],
queen_moves: [BitBoard::empty(); Square::NUM],
king_moves: [BitBoard::empty(); Square::NUM],
rays: [[BitBoard::EMPTY; Direction::NUM]; Square::NUM],
pawn_attacks: [[BitBoard::EMPTY; Square::NUM]; Color::NUM],
pawn_pushes: [[BitBoard::EMPTY; Square::NUM]; Color::NUM],
knight_moves: [BitBoard::EMPTY; Square::NUM],
bishop_moves: [BitBoard::EMPTY; Square::NUM],
rook_moves: [BitBoard::EMPTY; Square::NUM],
queen_moves: [BitBoard::EMPTY; Square::NUM],
king_moves: [BitBoard::EMPTY; Square::NUM],
}
}
@ -238,7 +238,7 @@ impl MoveLibrary {
}
fn _generate_ray(sq: BitBoard, shift: fn(&BitBoard) -> BitBoard) -> BitBoard {
let mut ray = BitBoard::empty();
let mut ray = BitBoard::EMPTY;
let mut iter = shift(&sq);
while !iter.is_empty() {