Well, yes, it fixed it when I've discovered this function a while ago. That's just an example.
That's what I'm bitching about - discovering documentation sucks because nix-lang is a very niche language and `nixpkgs.lib` is mostly undocumented. That makes finding how to do something in it is harder compared if to any other language.
With homebrew, it's just ruby scripts. You write ruby, you can ask some ruby question from someone who never wrote a formula and get an answer because that's a general purpose language.
With guix, it's not the best, but it's still just GNU Guile, it's been around for almost 30 years. Yeah, it's probably not very popular, but it's still a general purpose language that has uses outside Guix.