How To Install gtksourceviewmm on Mac

About gtksourceviewmm : C++ bindings for gtksourceview!
More Information: https://developer.gnome.org/gtksourceviewmm/
Steps:

1. Launch Terminal by pressing command+space, type terminal and hit Enter key.
2. Run

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

3. Install

   brew install gtksourceviewmm

Done!