Error when installing pandoc using cabal in Ubuntu 18.04.4 LTS on Windows Subsystem for Linux.

Error when installing pandoc using cabal in Ubuntu 18.04.4 LTS on Windows Subsystem for Linux.

[Ben Key]

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I get the following error when I run the `cabal install pandoc` command in 
Ubuntu 18.04.4 LTS on Windows Subsystem for Linux.

[5 of 9] Compiling Text.Pandoc.Arbitrary ( Text/Pandoc/Arbitrary.hs, 
dist/build/Text/Pandoc/Arbitrary.o )

Text/Pandoc/Arbitrary.hs:22:15: error:
    • Variable not in scope:
        liftShrink2
          :: (Text -> [Text])
             -> (Text -> [Text]) -> (Text, Text) -> [(Text, Text)]
    • Perhaps you meant ‘getShrink2’ (imported from Test.QuickCheck)

Text/Pandoc/Arbitrary.hs:34:28: error:
    Variable not in scope:
      liftShrink :: (Text -> [Text]) -> [Text] -> [[Text]]

Text/Pandoc/Arbitrary.hs:35:28: error:
    Variable not in scope:
      liftShrink
        :: ((Text, Text) -> [(Text, Text)])
           -> [(Text, Text)] -> [[(Text, Text)]]

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Re: Error when installing pandoc using cabal in Ubuntu 18.04.4 LTS on Windows Subsystem for Linux.

[John MacFarlane]

This probably means that we need a more restrictive lower bound
in pandoc-types for QuickCheck. (>= 2.10)

In the mean time you should be able to use cabal command line
arguments to require QuickCheck >= 2.10.

Ben Key <bkey76-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:

> I get the following error when I run the `cabal install pandoc` command in 
> Ubuntu 18.04.4 LTS on Windows Subsystem for Linux.
>
> [5 of 9] Compiling Text.Pandoc.Arbitrary ( Text/Pandoc/Arbitrary.hs, 
> dist/build/Text/Pandoc/Arbitrary.o )
>
> Text/Pandoc/Arbitrary.hs:22:15: error:
>     • Variable not in scope:
>         liftShrink2
>           :: (Text -> [Text])
>              -> (Text -> [Text]) -> (Text, Text) -> [(Text, Text)]
>     • Perhaps you meant ‘getShrink2’ (imported from Test.QuickCheck)
>
> Text/Pandoc/Arbitrary.hs:34:28: error:
>     Variable not in scope:
>       liftShrink :: (Text -> [Text]) -> [Text] -> [[Text]]
>
> Text/Pandoc/Arbitrary.hs:35:28: error:
>     Variable not in scope:
>       liftShrink
>         :: ((Text, Text) -> [(Text, Text)])
>            -> [(Text, Text)] -> [[(Text, Text)]]
>
> -- 
> You received this message because you are subscribed to the Google Groups "pandoc-discuss" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to pandoc-discuss+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org
> To view this discussion on the web visit https://groups.google.com/d/msgid/pandoc-discuss/7fff0c35-72ba-4978-96e5-27d5b1b8ecaa%40googlegroups.com.

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