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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.
Genius. Simple and elegant. I used an
IntStream, but this is so much more clever.Your code is different. IntStream/Stream perhaps?
This does not work for me, as
awithinmap()is of typeint[]:https://pasteboard.co/HHfvmec.png