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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 is the smartest solution I've seen.
I'll take this solution to refactor my own.
Thanks, I'll check it.
Check the fork. There is a more expressive method than
indexOf.Nice, good use of IdexOf().