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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.
loop (reduce) inside loop??? best practice?? XD XD XD
you used tmp arrays. so you cheated !
cheated but clever :D
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At all. I just return a function that is the compostion of all functions in functions. (the normal tests are ok)
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Random tests are broken (05/01/2019). They are always expecting the input value to be returned. Could you fix it please?
using filter you loop 2 times on the arr. using reduce is the best practice !