> `a -> a`; `[a] -> [a]`; It means nothing! It tells you nothing!
— Rich Hickey, Effective Programs[0]
[0]: https://www.youtube.com/watch?v=2V1FtfBDsLU&t=4020s
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A disastrously poor take. I used to work at a Clojure company, and there's no chance I'd ever go back to that.
I used to work in a Clojure company, but you wouldn't believe how loudly the lead developer chewed when we had lunch, never Clojure again after that.