Add 'Color::{forward,backward}_direction'
This commit is contained in:
parent
0812d916ff
commit
f3a83065da
|
@ -1,4 +1,4 @@
|
|||
use super::Rank;
|
||||
use super::{Direction, Rank};
|
||||
|
||||
/// An enum representing the color of a player.
|
||||
#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
|
||||
|
@ -69,6 +69,21 @@ impl Color {
|
|||
Self::Black => Rank::Second,
|
||||
}
|
||||
}
|
||||
|
||||
/// Which way do pawns advance for this color.
|
||||
#[inline(always)]
|
||||
pub fn forward_direction(self) -> Direction {
|
||||
match self {
|
||||
Self::White => Direction::North,
|
||||
Self::Black => Direction::South,
|
||||
}
|
||||
}
|
||||
|
||||
/// Which way do the opponent's pawns advance for this color.
|
||||
#[inline(always)]
|
||||
pub fn backward_direction(self) -> Direction {
|
||||
(!self).forward_direction()
|
||||
}
|
||||
}
|
||||
|
||||
impl std::ops::Not for Color {
|
||||
|
|
Loading…
Reference in a new issue