This course on Pluralsight
http://scalaforfunandprofit.com/why-use-fsharp/
http://docs.scala-lang.org/style/
History
Started in 2003 as research project in Switzerland.
Research was headed by Martin Odersky - an author of Java Generics and Java compiler.
Scala is for the future Software Development and there is non too much experienced devs
http://insights.dice.com/2014/04/04/employers-cant-find-enough-scala-talent/
Pure functions
Is associated with objects and work without a side-effects (or mutation).
Define fixed variable - vow.
Higher order functions
Functions are "first citizens" in Scala. This why functions could:
- receive other functions in its parameters
- return functions
- to be stored for later execution
