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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.
Fixed sample test code
probably it should be
arm.having
as a.t.m. that goes unusedIn rust the return type is set as
Some<u64>
but it should beOption<u64>