Loading collection data...
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.
just renaming the vars makes it much more readable
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actually map itself has nothing to do with the repeat - it just passes the element's index to the callback function. the repetition is provided by repeat() getting the index in this specific case.