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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.
Just import
fix😝I've seen it once before, probably doing something very similar ( but it's been a while ). I never really solved that then.
I think it just can't be done in GHC. But you don't need
Y, you are allowed to just use a direct recursive definition ( because it's Haskell, and not strictly LC ), and I suspect it'll work that way.Does that answer your question?