Loading collection data...
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.
Inefficient for huge strings. better use iterators to check codepoints one by one
my bad,used to do it when i was learning to code with ruby lol.
ugh a return statement in ruby?
better use to valueOf()