[Haskell-cafe] Need help with learning Parsec
Christian.Maeder at dfki.de
Thu Jul 19 15:45:50 CEST 2012
Am 19.07.2012 15:26, schrieb Christian Maeder:
> Am 19.07.2012 15:14, schrieb Christian Maeder:
>> Am 19.07.2012 14:53, schrieb C K Kashyap:
>>> innerXML = do
>>> x <- (try xml <|> gettext)
>>> return x
>> Omit "try" (and return).
>> xml always starts with "<" whereas gettext never does.
> I was wrong, you do not want to swallow an endTag as openTag.
> openTag should start with:
> try $ char '<' >> notFollowedBy (char '/')
> and endTag should start with:
> try $ string "</"
Strictly, the try in endTag is not necessary (only in openTag)
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