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  1. import Data.List
  2. import Data.Function
  3.  
  4. isEven x = x `mod` 2 == 0
  5.  
  6. main = print $ sortBy (compare `on` isEven) [1..4]
Success #stdin #stdout 0s 6232KB
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Standard input is empty
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[1,3,2,4]
https://ideone.com/sTfa0G
language:
Haskell (ghc 8.4.4)
created:
11 years ago
visibility:
secret

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