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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.
This comment saved my day!
It took me a day to find out how to solve, and an hour to figure out that I had done the same mistake.
on what assumption do you say that? If you raise issues, you have to document them properly. That's not enough.
...or your code just ends up in an infinite loop on some edge case?