The RubySpec project has since been discontinued for many reasons: <a href="https:&#x2F;&#x2F;gist.github.com&#x2F;nateberkopec&#x2F;11dbcf0ee7f2c08450ea" rel="nofollow">https:&#x2F;&#x2F;gist.github.com&#x2F;nateberkopec&#x2F;11dbcf0ee7f2c08450ea</a>