I hope you enjoyed this introduction to functional programming in Scala. To learn more about Scala, here are some of the best resources I know.
First, as a special mention, Programming in Scala is written by Martin Odersky (creator of Scala), Bill Venners (creator of ScalaTest and more), and Lex Spoon, and I consider it to be the reference for the Scala language.
If you like my writing style, my books on Scala are:
In alphabetical order, I’ve read these other books, and I can recommend them: