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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.
One line's not always important. Every time you ask for the array's length, a function is called to provide it at runtime. If you break this up into multiple lines you can store the length as a const to be efficient and make it more readable at the same time.
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