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  1. data Fuuu = Fuuu
  2. instance Eq Fuuu
  3.  
  4. main = print $ if Fuuu == Fuuu then "I dosen't seen this" else "and this"
Runtime error #stdin #stdout 0.01s 3580KB
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Standard input is empty
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Standard output is empty
https://ideone.com/6faPct
language:
Haskell (ghc 8.4.4)
created:
13 years ago
visibility:
public

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