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Re:Ask HN: What are the best resources to properly learn Scala? by yoyoBee on Tuesday March 28, 2017 @07:35AM (#13975717)
Advanced Scala appears to be just what I'm looking for. According to Gumroad it's in Early Access -- are you able to advise on when you're hoping to publish the final version?

I see from browsing the TOC that some topics are out-of-date (Xor.)

Re:Ask HN: What are the best resources to properly learn Scala? by noelwelsh on Wednesday March 29, 2017 @11:37AM (#13987288)
In this particular case the TOC is out of date. We released a version of the book compatible with Cats 0.9 (including Either and removing Xor) a few weeks ago.

Final version should be out last half of this year.