Install yard by entering the following commands in the terminal:
sudo apt update sudo apt install yard
Description:
Ruby documentation tool
YARD is a documentation generation tool for the Ruby programming language. It enables the user to generate consistent, usable documentation that can be exported to a number of formats very easily, and also supports extending for custom Ruby constructs such as custom class level definitions.
Homepage: http://yardoc.org
Version: 0.9.12-2
Section: universe/ruby