What is “r3” Package?

High-performance URL router library
For more details: https://github.com/c9s/r3

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 r3.

  brew install r3

Now, use r3!