Good question! I made the screencast to explain the use case: https://vimeo.com/85883356 https://vimeo.com/85883356 My co-maintainer Alexey wrote a blog post

Good question! I made the screencast to explain the use case: https://vimeo.com/85883356 https://vimeo.com/85883356 My co-maintainer Alexey wrote a blog post explaining it too: http://waterlink.github.io/blog/2015/03/06/introduction-to-contracts-dot-ruby/ http://waterlink.github.io/blog/2015/03/06/introduction-to-c...