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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.
LOL to those who voted 'Best Practices'. This is NOT a best practice. I used it because I didn't think about the safer
fetch
which is superior.Kinda threw that rescue in there, had one case failing LOL
Convoluted, but I like it :)
This is my favorite answer. Everything is simplified as much as possible without sacrificing the readability of the variable names. Well done.
This solution seems to assume you can't refactor the Node class.
Beautiful!
This method was created for this kata. Probably the only time it's ever been used LOL
This comment is hidden because it contains spoiler information about the solution
No, I did that and it passed all tests. I'm a bit disappointed that there wasn't a test that invalidated the answers which didn't add your points.
thanks:)
This one's my favorite. Very concise and readable. Nice
I think you wanted
(0..9).include? a
If you're going to check length, you may as well do it with the built-in length checking in Regex :).
Also, avoid return true / else return false structures. You can use
pin.match?
which will return that for you.