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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.
CamelCasing strings has been done. Please unpublish this duplicate.
Why are we doing things to object keys? Essence of this problem is camelCasing strings - do one thing, and do it well.
Testing is absolutely inadequate.
Apart from only one fixed test and no random tests, there should be smaller tests at first, esp. with
$UNDERSCORE$DIGIT
, which is woefully underspecified in the description.