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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.
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there are many examples in description:
Why you sort gifts every time
buyGift
method is called? Without callingaddGift
method you always have sorted gift list on eachbuyGifts
call except first time.