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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.
The note got removed for languages which have no tests for negative numbers.
I've created the issue above, thanks for reporting it.
Check this out: https://docs.codewars.com/concepts/kata/discourse/#issues
Basically, you create a post, describing the problem, mentioning the languages affected and use
Issuelabel.(I deleted my previous answer)
Indeed, tests in Go always expect a 2 elements array.
Empty or null arrays are not tested. This should be raised as an issue and corrected, and most solutions would get invalidated...
That's what it says and what's tested, what do you mean?