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  1. bubblesort xs
  2.         | xs == xs' = xs'
  3.         | otherwise = bubblesort xs'
  4.         where
  5.                 xs' = bubblesortIterate xs
  6.                 bubblesortIterate lst@(x:xs)
  7.                         | nil xs     = xs
  8.                         | x <= head xs = x:bubblesortIterate xs
  9.                         | otherwise    = bubblesortSwap lst
  10.                 bubblesortSwap (x:y:xs) = y:x:xs
  11.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
[1 of 1] Compiling Main             ( prog.hs, prog.o )

prog.hs:7:26: Not in scope: `nil'
stdout
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Standard output is empty
https://ideone.com/wnvuE
language:
Haskell (ghc 8.4.4)
created:
14 years ago
visibility:
public

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