Teacup rim text: Difference between revisions
→{{header|Haskell}}: Dropped import of liftA2 from second version
(→{{header|Haskell}}: Dropped import of liftA2 from second version) |
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Or taking a different approach, we can avoid the use of Data.Set by obtaining groups of anagrams (of more than two characters) from the lexicon, and filtering out a circular subset of these:
<lang haskell>import Data.List (groupBy, intercalate, sort, sortBy)
import Data.Ord (comparing)
import Data.Function (on)
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rotations :: [a] -> [[a]]
rotations =
rotated :: [a] -> [a]
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