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  1. import Control.Monad (replicateM)
  2.  
  3. data Govno a = Govno
  4.     deriving (Show)
  5.  
  6. instance Monad Govno where
  7.  
  8.     -- Govno is the minimal possible context
  9.     return x = Govno
  10.  
  11.     -- All operations on Govno produce Govno
  12.     g >>= f = Govno
  13.  
  14. main = print (replicateM 3 Govno)
  15.  
Success #stdin #stdout 0.01s 3536KB
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Standard input is empty
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Govno
https://ideone.com/3iLdx
language:
Haskell (ghc 8.4.4)
created:
13 years ago
visibility:
public

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