Ah! Thank you, I didn’t find that question, maybe because it was framed a little different in terms focus on modules/packages. The mentioned What is the best way to retrieve template argument outside the template? is another one. Funny how users, myself included, chose very similar ways of showcasing independent from each other.
In your answer in the other thread, you gave a couple of examples, out of the variants not relying on state did or do you use one of the approaches yourself and would recommend it based on your experiences?