Found in 1 comment on Hacker News
merb · 2016-10-17 · Original thread
> (like the typelevel/scalaz folks)

well I was scared about that as well, but than I bought and used cats (XorT,OptionT) and now I don't want to miss those two.

P.S. I am not gifted also and I guess I managed to learn it to an extend, too. Basically I'm always afraid when writing mutable/imperative code now.

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