Convert lambda with capture clause stored in std::function to raw function pointer

Question

Since my last recent question was unfortunately worded and resulted in a solution to another problem then mine, here I will try to formulate my actual problem in a clear way

Answer 1

You can convert a capturing lambda/functor into a function pointer, but you need to be careful when doing it:

https://codereview.stackexchange.com/questions/79612/c-ifying-a-capturing-lambda