};
const Castling = packed struct {
    WK: bool,
    WQ: bool,
    BK: bool,
    BQ: bool,

    side: Colors = .white,
    enpassant: []Square = &[_]Square{},
    castling: Castling = Castling{ .WK = true, .WQ = true, .BK = true, .BQ = true },

        std.debug.print("Side to move: {any}\n", .{self.side});
        std.debug.print("Enpassant squares: {any}\n", .{self.enpassant});
        std.debug.print("Castling: {any}\n", .{self.castling});