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In this particular case the TOC is out of date.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.
I see from browsing the TOC that some topics are out-of-date (Xor.)