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  1.  
  2. data Foo a = F (Foo a -> a -> a)
  3.  
  4. foo :: Foo a -> Foo a -> a -> a
  5. foo (F f) g x = f g x
  6.  
  7. --m = F (\f x -> if x > 10 then x else foo f m (x + 1))
  8. m = F (\f x -> foo f m (x + 1))
  9. n = F (\f x -> foo f n (x + 1))
  10.  
  11. main = print $ foo n m 5
Runtime error #stdin #stdout 3.37s 554496KB
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Standard input is empty
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Standard output is empty
https://ideone.com/HvOzh9
language:
Haskell (ghc 8.4.4)
created:
12 years ago
visibility:
public

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