Class Gate: Implement class inheritance. Each Gate instance should be queueable by inheritting from Queue::Node. Keep in mind that you have to specify both template arguments. The first one is the type to be queued, and the second is the maximum amount of cores.
Member Gate::queued: Add member
Member SerialStream::print (char *str, int length): Implement Method
Member Watch::epilogue () override: Extend method (add Graphics)