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[board] Add a Not impl for BitBoard

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This trait implements bitwise NOT
This commit is contained in:
Eryn Wells 2023-12-23 09:16:32 -07:00
parent 42d231435e
commit 0838f4fd01
1 changed files with 20 additions and 1 deletions
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21
board/src/bitboard.rs
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@ -2,7 +2,7 @@
use crate::square::Square; use crate::square::Square;
use std::arch::asm; use std::arch::asm;
use std::ops::{BitAnd, BitOr}; use std::ops::{BitAnd, BitOr, Not};
#[derive(Clone, Copy, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)] #[derive(Clone, Copy, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct BitBoard(u64); pub struct BitBoard(u64);
@ -63,9 +63,28 @@ impl BitAnd<&BitBoard> for BitBoard {
} }
} }
impl Not for BitBoard {
type Output = BitBoard;
#[inline]
fn not(self) -> Self::Output {
BitBoard(!self.0)
}
}
impl Not for &BitBoard {
type Output = BitBoard;
#[inline]
fn not(self) -> Self::Output {
BitBoard(!self.0)
}
}
impl BitOr for BitBoard { impl BitOr for BitBoard {
type Output = BitBoard; type Output = BitBoard;
#[inline]
fn bitor(self, rhs: Self) -> Self { fn bitor(self, rhs: Self) -> Self {
BitBoard(self.0 | rhs.0) BitBoard(self.0 | rhs.0)
} }