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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.
It's impossible to utilize lazy evaluation to get characters from
cleanString xswherexsis infinite because any characterx /= '#'has the potential of being followed by enough'#'characters that it'll get erased. Therefore, there really isn't any benefit to usingfoldrvsfoldl'.How is this lazily evaluated?