pub const PacketType = packed enum {
    AuthTokenPacket,
    AuthSucceededPacket,
    AuthFailedPacket,
};

pub fn Packet(comptime T: type) type {
    return packed struct {
        pub const data_size = @sizeOf(T);

        type: PacketType,
        data: T,

        pub fn init(self: *@This(), packet: T) void {
            self.type = T.packetType();
            self.data = packet;
        }
    };
}