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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.
@Abbe
The 500 solve limit has been lifted. Please fix the tests ;-)
Yep, you are completely correct. The tests for some of the languages were not reviewed enough when the kata was published.
Unfortunately, I can't change them after the publication.
Fortunately, the mistake will still let all correct solutions pass.
haskell test is wrong
this is the correction, you have a .&&. in place of .||. and that can work only for xs == ys
it "works if s is simply the concatenation of both parts" $
property $ \xs ys ->
isMerge (xs ++ ys) xs ys .||. isMerge (ys ++ xs) xs ys