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It’s always good to know the ‘old’ way because you are likely to see it when viewing older code. Programming often involves reviewing code you didn’t write yourself.
I would think that it would make more sense to teach the older notation later, because the first one taught is usually the one that sticks (up to a certain level of experience and/or time). Also, as time passes, wouldn’t the rocketless syntax become more common due to being easier to type?
I have another question - in Ruby 1.9, I believe that the rocket still worked. Does it still work in the latest versions of Ruby?
I have nothing whatsoever to do with the curriculum of any CC course, so I was only offering a plausible reason for teaching the ‘rocket’ syntax. I don’t know if the latest version of Ruby still accepts ‘rocket’ syntax, but I suspect it is still valid. I just did a quick test on repl.it which uses version 2.5.5p157, and it works. Like you said, there’s no real reason to use it going forward, but it’s good to be able to recognize what it is if you come across it.
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