Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
.
It would be beneficial if the kata description included a link to or description of the Potato paradox.
Read the issue two threads below. I'd bet you got caught by the int/bool problem.
edit: mmh, it has a spoiler flag. Well, begin with being extra careful about the above... And don't forget to close the issue if that's actually that.
It really just took one minute haha. I didn't have the skills to takle the problem in a different way.
After seeing other solutions I would probably go with something involvig Data.Map. That's the beauty of this, learning by comparison.