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Sales page for supporting the work; author’s announcement.

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    I wondered how long I’d have to read into it before the Scala in-fighting started. Turns out its line 3:

    This book uses Scalaz 7.2, the most popular, stable, principled and comprehensive Functional Programming framework for Scala.

    Shots fired at https://typelevel.org/cats/ !!!

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      This is great news. We definitely need more open source books that can be maintained by the community even if or when the original maintainers become unable or unwilling to keep them up to date.

      I wonder why they chose to make the source code a monolithic file though.