I'm in no way shape or form smarter than Stroustrup that's for sure, but there might be space for a third category: languages seldomly used in dayjobs but many

I'm in no way shape or form smarter than Stroustrup that's for sure, but there might be space for a third category: languages seldomly used in dayjobs but many programmers would love to. Elixir, Haskell and Rust come to mind.