[Haskell-beginners] Parsec, comma sperated list with special last element
Nathan Hüsken
nathan.huesken at posteo.de
Tue Dec 18 09:58:45 CET 2012
I tried
file = do
res <- endBy (try cell) (char ',')
l <- lastCell
eof
return res
cell = many1 (noneOf ",")
lastCell = many1 (noneOf "\n")
But that does not work because cell succeeds on the last cell.
I can replace the endBy by
many (try $ do {a <- cell; string ","; return a})
Nathan
On 12/18/2012 08:21 AM, Karl Voelker wrote:
> On Mon, Dec 17, 2012 at 2:28 AM, Nathan Hüsken <nathan.huesken at posteo.de>wrote:
>
>> Still ... I can not do it with "endBy", can I?
>>
>
> I think you can. What have you tried with endBy that didn't work?
>
> -Karl
>
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