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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.
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Can you specify what you mean by "separating validation logic from business logic"? While this is a fun experiment with decorators, this is anything but clean code, given the trivial validation you are performing.
I modified the description. I hope it is better. Thanks again!
I will have a close look:-) Thanks for your suggestion!
Suggestion gladly accepted! Lots of thanks!
Oops. I removed that one, thanks!