Good article! Although, I wouldn't say that learning Typescript is a brain stretcher. If you're a web dev and familiar with JS, your not learning anything new, but more "syntax" for the language (potentially more headaches as a project's complexity increases too :).
As an aside, nice to see Haskell/Elixir getting mentions.. Scala/OCaml/C#/F#/Clojure are also worthy contenders in a similar vain.
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