This is a web log of me learning Cats, based a log of me learning Scalaz. It’s sometimes called a tutorial, but you should treat it more like a travel log that was scribbled together. If you want to learn the stuff, I suggest you read books and go through the examples yourself.
Before we dive into the details, here is a prequel to ease you in.
I’m going to borrow material from Nick Partridge’s Scalaz talk given at Melbourne Scala Users Group on March 22, 2010:
Scalaz talk is up - http://bit.ly/c2eTVR Lots of code showing how/why the library exists
— Nick Partridge (@nkpart) March 28, 2010
Cats consists of two parts:
Validated, State, etc)