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This commit is contained in:
Paul-Nicolas Madelaine 2025-10-22 22:59:53 +02:00
parent faccfbc1c5
commit a6a00fc819
3 changed files with 97 additions and 94 deletions
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26
src/board.rs
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@ -194,7 +194,7 @@ impl Rank {
#[inline]
pub fn mirror(self) -> Self {
unsafe { Self::transmute(7_u8.unchecked_sub(self as u8)) }
unsafe { Self::transmute(!(self as u8)) }
}
#[inline]
@ -263,7 +263,7 @@ impl Square {
#[inline]
pub fn new(file: File, rank: Rank) -> Self {
unsafe { Self::transmute(((rank as u8) << 3) + file as u8) }
unsafe { Self::transmute(((rank as u8) << 3) | file as u8) }
}
#[inline]
@ -278,7 +278,8 @@ impl Square {
#[inline]
pub fn mirror(self) -> Self {
Self::new(self.file(), self.rank().mirror())
let sq = self as u8;
unsafe { Self::transmute(sq & 0b000111 | (!sq & 0b111000)) }
}
#[inline]
@ -389,18 +390,19 @@ impl std::str::FromStr for Square {
}
}
#[rustfmt::skip]
#[allow(unused)]
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[repr(u8)]
#[rustfmt::skip]
pub(crate) enum OptionSquare {
_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,
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,
None,
}