Functional Programming in Scala (Take 2)

Spoiler alert: contains answers to exercises in Functional Programming in Scala.

Notes

I also have some notes.

Install

Easiest options are Intellij for IDE or sbt for terminal.

Intellij

1. Install Intellij (recommend 2017.2.5 or later)
2. Configure Java, Scala SDKs
   1. Go to File > Project Structure > SDKs, and add a JDK (recommend 1.8 or later)
   2. Go to Preferences > Plugins > Install JetBrains Plugin > Scala (recommended 2017.2.13 or later)
3. Import project
   1. File > New > Project from Existing Sources, and select this directory
   2. Select Import project from external model > SBT
   3. Click through until done
4. Can select source or test files in project navigator, then select Run > Run 'FooTest'

sbt

1. Install sbt (recommend 1.0.4 or later)
2. From terminal:

   $ cd fp-inscala-v2
   $ sbt
   

3. To run:

   sbt:fp-in-scala-v2> run
   

4. To run tests:

   sbt:fp-in-scala-v2> test
   

5. Interactive console:

   sbt:fp-in-scala-v2> console
   scala> import ch2.Main._
   import ch2.Main._
   
   scala> fib(7)
   res0: Int = 13
   
   scala>