https://youtu.be/qxHI2ckjcZU?t=3351 responding to your latest stream.
Referring to aal::var::found could be aal::var::any_of. As std::any_of takes a predicate and returns true if any are true. Also std::all_of and std::none_of.
https://en.cppreference.com/w/cpp/algorithm/all_any_none_of