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.
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This "rounded up" business is unnecessary and just plain annoying. It's not a real problem to solve but just a hoop to jump through.
The description of the valid format is very unspecific and it looks like the last test case is wrong.
Works now, thanks
Using Haskell I can get the tests running, but when submitting, I'm getting the following error:
Damn, that it failed the cheating test totally threw me off, I was looking at all the wrong places. Thanks :)
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The complicated return type is just tedious and IMHO doesn't add anything to the puzzle. Why not just return a tuple (in Haskell)?
Implementing a custom Collector just for fun