snoyberg/mono-traversable — pull request #20 by jcristovao (2014-01-17 12:39:48+00:00)
Title: Adding instances in the ReadMe

As discussed [here](https://github.com/snoyberg/mono-traversable/issues/18), this is a draft for a simple guide to adding instances. I've included it in the Readme for now (and not the code documentation) to keep it simple.

What do you think?