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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.
Nice i did the same as you at fisrt, then the method concatenation just came to mind, so i went with that, but still nice.👌
spread operator is 10 times slower than .concat()
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