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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.
You're right, but it's more readable imo. It depends on people I guess.
This doesn't need the () % is ahead of - in order of operations
All tests passed. But I have the error. Ruby 2.3.0
stat': undefined method-' for nil:NilClass (NoMethodError)from
rnd_kata_tests' from'