[Haskell-cafe] Parsec (Zero or One of)
Albert Y. C. Lai
trebla at vex.net
Tue Mar 25 11:47:19 EDT 2008
Paul Keir wrote:
> I’m having some difficulty using the Parsec library, perhaps you could
> help. I’ve reduced my problem as shown below. I would like the
> ‘only_prod’ parser to require the reserved string “only”, _optionally_
> followed by an identifier. As part of ‘mytest’, this should then be
> followed by the reserved string “end”.
Look into option, optional, and optionMaybe.
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