Loading collection data...
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.
You are right!
They just did not test for it in the end I guess... so it passes without distinct....
The description explicitly states that you have to filter out duplicates in the returned array.
distinct is redundant
Destroyed my self-belief
manual notification, see above
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