Folks, I need a hobby. I’m a C programmer who has lost his passion for programming, it seems. I’ve decided to try to spark my passion again by going back to the basics, perhaps by creating a programming tutorial Wikibook, for modern applications.
The trouble is, I cannot decide if I should make C or Rust my programming language of choice.
I use C all the time, and have barely any experience in Rust.
Do I go with ol’ reliable and risk being outdated in a few years, or go with the new language and risk being too niche and unpopular?
I don’t see how that is relevant? You’re already familiar with C, so writing about C does not influence whether you will be outdated in a few years. Learning and writing about Rust could be something that becomes useful, but not necessarily practically - it depends on what you will do in the future.
If you feel you lost your passion, I would suggest learning and experimenting with Rust. It’s different, so may be interesting and thought provoking to learn.
Writing down what you know about C may also be worthwhile, good, or produce a good resource, but I don’t see it as much or like as sparking lost interest and passion. If that is actually your goal (you only asked about future relevancy in the end).