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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.
Sometimes single-line/method-chaining/nested-methods can be the coolest, easiest to read, most performant way to do something. Other times it a self-gratifying, useless, tortured attempt to say, "look, I can do this with on a single line!" This is certainly the latter. Single line does not necessarily equal good.
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