[Haskell-beginners] a parse error....i can't fix it
daniel.is.fischer at googlemail.com
Fri Sep 9 17:06:55 CEST 2011
On Friday 09 September 2011, 16:53:06, anyzhen wrote:
> sorry and please forget the name and what it is meaning for.
> just look at in syntax aspect
> the error : "parse error on input `|'
> Failed, modules loaded: none."
> linerFind :: [Int] -> Int -> MaxSA -> MaxSA --MaxSA is
> MaximumSubarray linerFind xs len ms1@(MaxSA l h m) --
> (MaxSA leftPosition rightPosition maxsum)
> | h<len = keepFind ms1
> where keepFind ms'@(MaxSA l' h' m')=
> let ms2@(MaxSA l2 h2 m2)= find' xs l' (h'+1) in
> if m < m2 then linerFind xs len ms2
> else keepFind ms2
> |otherwise = ms1 --compiler say
> |error is in this line
You must have the where clause after the guards,
| h < len = keepFind ms1
| otherwise = ms1
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