YARD - Yay! A 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.

WWW: http://yardoc.org/
     https://github.com/lsegal/yard
RG:  https://rubygems.org/gems/yard
