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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.
Another people decided so. Nothing especial.
what is this! lel
Could you please explain why is this best practices?
Copared with a solution that involves build in methods such as filter and reduce?
I like it, thanks!