[Haskell-cafe] type signature of parsec functions and how to warp them up.

Brandon Allbery allbery.b at gmail.com
Fri Jun 17 08:05:12 CEST 2011


On Fri, Jun 17, 2011 at 01:53, 吴兴博 <wuxb45 at gmail.com> wrote:
> I just add one line of import and ghci:
>
> import Text.Parsec
>
> then ghci loaded it succeed!
>
> It seems I didn't uses any functions from this import.
>
> what goes wrong?

I think the usual cause of that is that one or more necessary
typeclass instances got defined by the import.

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brandon s allbery                                      allbery.b at gmail.com
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