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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.
I agree that it's messy and I don't remember the reason why I did it, but it passed the test that way, so technically it's correct...
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YES, I AM A CARBON-BASED BIPEDAL LIFE FORM AND DEFINITELY NOT A ROBOT.
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The description doesn't make it clear if that's correct or not.
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Very nice one!
I agree.
Also if one really want to check the arguments' validity, it's definitely better practice to raise an Error / throw an Exception instead.