Based on the signal class from the previous post we can implement a class which holds a value and notifies anyone who’s interested in value changes.
I’ve been asked multiple times how I would implement a signal / slot mechanism in modern C++. Here is the answer!
When I first wanted to create a PPA for Ubuntu, it was a pain. It was barely documented, unnecessarily complex and — the worst thing of all — if there was a tutorial, it employed rather old build tools and no guide covered code generated with CMake.