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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.
Pls
Alternatively, leave that to the optimising compiler.
I did some testing, and was unable to handcraft a better performing tail calling version.
Probably best to use an accumulator there to allow for TCO.
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