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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.
array cannot be null because it's not nullable, so the first part is not needed
Why specify true and false if the statement result is already a bool?
This one is really neat