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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.
So simply don't do it, duh. Leave it to the elementary students.
This isn't meant for you.
Not a suggestion.
Not an issue.
This is only an exercise. I didn't rewrite a router from scratch, it only needed to work - and it does well!
You should explain why in real life no one should run callback in bind method instead of just writing that : this is not constructive.