Yes that definitely works! Because in order to write a tutorial, provided you take the task seriously, you need to understand it well yourself because otherwise it's pretty hard to explain it to anybody, let alone yourself ;-)
A Rust tutorial series is in the works! Stay tuned.
I don't think I'm gonna learn any more languages, I've done about ummm 15 I think, tho they all have the same sort of idea after a while.
Been years if not decades since I programmed anything, (used to teach it)
With anything (including hive) I always think 'now how would I explaine this to somebody else.