It does actually work like that, for me. I&#x27;m in my mid thirties and have worked in financial software development for over a decade. Given the day rate I&#x27;m earning for Scala development, I will be able to retire comfortably long before Scala goes out of fashion.<p>Of course, I&#x27;ll still be coding for fun after I&#x27;ve retired, so I&#x27;m looking forward to learning Swift in my spare time, alongside the other languages I code regularly in.