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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.
this issue hasn't been corrected
The kata is a complete mess, with no explanation of the specifications. Unpublishing.
Asynchronous execution isn't checked: https://www.codewars.com/kata/reviews/622e2c5228bf330065cd71fc/groups/622f518893d5dc0001f85b36
Seems like a duplicate
Also, why the extra function parameter when the task can be done without it? This adds unnecessary noise during solving.