What is “scalastyle” Package?

Run scalastyle from the command-line
For more details: http://www.scalastyle.org/command-line.html

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install scalastyle.

  brew install scalastyle

Now, use scalastyle!