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  1. main = print $ scanl1 (,) $ [2, 3, 4, 5, 6, 7]
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:1:22:
    Occurs check: cannot construct the infinite type: a = (a, a)
      Expected type: a -> a -> a
      Inferred type: a -> a -> (a, a)
    In the first argument of `scanl1', namely `(,)'
    In the first argument of `($)', namely `scanl1 (,)'
stdout
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Standard output is empty
https://ideone.com/CXONS
language:
Haskell (ghc 8.4.4)
created:
14 years ago
visibility:
public

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