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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.
Hoping they add support for Dart v3.0, pattern matching with
switch/casewould be very helpful herethe problem specified only non-empty lists would be passed as arguments