package plp.collection;

public class Position {
    private Cell cell;
    
    Position(Cell cell) {
	this.cell = cell;
    }

    public boolean isValid() {
	return cell.isValid();
    }

    Cell cell() {
	return cell;
    }

    public boolean equals(Object obj) {
	return obj != null && obj instanceof Position && ((Position) obj).cell() == cell();
    }

    public int hashCode() {
	return cell().hashCode();
    }
}