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  1. main = putStrLn $ show $ res 10
  2.  
  3. f x = Just x
  4.  
  5. res x = traverse f [Just x]
Success #stdin #stdout 0s 8388607KB
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stdin
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Standard input is empty
stdout
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Just [Just 10]
https://ideone.com/8YjwQx
language:
Haskell (ghc 8.4.4)
created:
8 years ago
visibility:
public

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