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  1. map_ f = foldr ((:) . f) []
  2. main = print (map_ (+1) [1, 2, 3, 4])
  3.  
Success #stdin #stdout 0s 4652KB
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Standard input is empty
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[2,3,4,5]
https://ideone.com/zarrOj
language:
Haskell (ghc 8.4.4)
created:
7 years ago
visibility:
public

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