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dedup code in Board::what_if

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This commit is contained in:
Simon Gardling 2025-02-19 00:25:47 -05:00
parent 876d829e5e
commit fef4f64ecd
Signed by: titaniumtown
GPG Key ID: 9AB28AC10ECE533D
1 changed files with 2 additions and 7 deletions
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9
src/board.rs
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@ -234,18 +234,13 @@ impl Board {
/// Return a modified [`Board`] with the piece placed at a position /// Return a modified [`Board`] with the piece placed at a position
/// Returns None if the move was invalid /// Returns None if the move was invalid
pub fn what_if(&self, i: usize, j: usize, piece: Piece) -> Option<Self> { pub fn what_if(&self, i: usize, j: usize, piece: Piece) -> Option<Self> {
// extract check here to avoid copy
if self.get(i, j).is_some() { if self.get(i, j).is_some() {
return None; return None;
} }
let mut self_copy = *self; let mut self_copy = *self;
self_copy.place_unchecked(i, j, piece); self_copy.place(i, j, piece).ok().map(|_| self_copy)
let how_many_prop = self_copy.propegate_from(i, j);
if how_many_prop == 0 {
return None;
}
Some(self_copy)
} }
/// Returns a bool which represents whether or not a move would propegate and be valid /// Returns a bool which represents whether or not a move would propegate and be valid