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[board] Implement an infix_op! macro for generating BitBoard operator traits

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Eryn Wells 2023-12-27 10:00:30 -07:00
parent 50a6be2f72
commit 51a265172b
1 changed files with 16 additions and 31 deletions
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47
board/src/bitboard/bitboard.rs
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@ -95,23 +95,26 @@ impl fmt::Debug for BitBoard {
}
}
impl BitAnd for BitBoard {
type Output = BitBoard;
macro_rules! infix_op {
($trait_type:ident, $func_name:ident, $left_type:ty, $right_type:ty, $op:tt) => {
impl $trait_type<$right_type> for $left_type {
type Output = BitBoard;
#[inline]
fn bitand(self, rhs: Self) -> Self {
BitBoard(self.0 & rhs.0)
}
#[inline]
fn $func_name(self, rhs: $right_type) -> Self::Output {
BitBoard(self.0 $op rhs.0)
}
}
};
}
impl BitAnd<&BitBoard> for BitBoard {
type Output = BitBoard;
infix_op!(BitAnd, bitand, BitBoard, BitBoard, &);
infix_op!(BitAnd, bitand, &BitBoard, BitBoard, &);
infix_op!(BitAnd, bitand, BitBoard, &BitBoard, &);
#[inline]
fn bitand(self, rhs: &Self) -> Self {
BitBoard(self.0 & rhs.0)
}
}
infix_op!(BitOr, bitor, BitBoard, BitBoard, |);
infix_op!(BitOr, bitor, &BitBoard, BitBoard, |);
infix_op!(BitOr, bitor, BitBoard, &BitBoard, |);
impl Not for BitBoard {
type Output = BitBoard;
@ -131,24 +134,6 @@ impl Not for &BitBoard {
}
}
impl BitOr for BitBoard {
type Output = BitBoard;
#[inline]
fn bitor(self, rhs: Self) -> Self {
BitBoard(self.0 | rhs.0)
}
}
impl BitOr<&BitBoard> for BitBoard {
type Output = BitBoard;
#[inline]
fn bitor(self, rhs: &Self) -> Self {
BitBoard(self.0 | rhs.0)
}
}
#[cfg(test)]
mod tests {
use super::*;