You will never obtain a deep understanding of functional programming by using Scala. You'll simply never be able to think those thoughts, even though you are otherwise capable.
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Having switched from Scala to Haskell and Idris, I can relate to this statement. There’s stuff that requires some additional boilerplate and hoop jumping in Scala that just works in Haskell (once you turn on a particular language extension)
Scala, and most of its remaining users, is absolutely committed to the perpetual expert beginner philosophy. "As long as we look smart, improvement is not compelled."
