10 lines
271 B
Haskell
10 lines
271 B
Haskell
import qualified Data.Set as S
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setA :: S.Set String
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setA = S.fromList ["alpha", "beta", "gamma", "delta", "epsilon"]
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setB :: S.Set String
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setB = S.fromList ["delta", "epsilon", "zeta", "eta", "theta"]
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main :: IO ()
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main = (print . S.toList) (S.intersection setA setB)
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