If you are going for short code then the following scala example: val arrayTwo = arrayOne.map { item:Int => item + 1 } Can be written like this: val arrayTwo

If you are going for short code then the following scala example: val arrayTwo = arrayOne.map { item:Int => item + 1 } Can be written like this: val arrayTwo = arrayOne.map(_+1) "the availability of ruby gems is highly superior to the amount of SBT dependencies" SBT is just a questionable version of Maven and I would bet money the amount of Java/Scala libs available in Maven repositories far exceeds the number of Ruby gems available.