Struct Board 

pub struct Board { /* private fields */ }

Sparse board storage: maps placed coordinates to their owning player.

Implementations

impl Board

pub fn new() -> Self

Creates a new board with P1’s opening stone at the origin (0, 0).

pub fn place(&mut self, coord: Coord, player: Player) -> Result<(), PlaceError>

Places player’s stone at coord.

Returns Err(PlaceError::CellOccupied) if the cell already has a stone.

pub fn get(&self, coord: Coord) -> Option<Player>

Returns the player whose stone occupies coord, or None if empty.

pub fn stones(&self) -> &HashMap<Coord, Player>

Returns a reference to the underlying stone map.

pub fn stone_count(&self) -> usize

Returns the total number of stones on the board.

Trait Implementations

impl Clone for Board

fn clone(&self) -> Board

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.