[Haskell] Parsec question: attempted 'notMatching' combinator

[Daan Leijen]

On Wed, 18 Feb 2004 01:11:31 -0500, Andrew Pimlott <andrew at pimlott.net> wrote:
> After some pondering and fiddling, a version I like:
>
>     notFollowedBy' :: Show a => GenParser tok st a -> GenParser tok st ()
>     notFollowedBy' p    = join $  do a <- try p; return (unexpected (show a))
>                                   <|>
>                                   return (return ())

Great work. Do you think that the library function should
be fixed with this version? (or can you check it in yourself?)

-- Daan.

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