[Haskell-cafe] cutting long strings into lines

[Matthias Fischmann]

On Sat, Sep 30, 2006 at 08:51:40PM +0200, Udo Stenzel wrote:
> To: Matthias Fischmann <fis at wiwi.hu-berlin.de>
> Cc: haskell-cafe at haskell.org
> From: Udo Stenzel <u.stenzel at web.de>
> Date: Sat, 30 Sep 2006 20:51:40 +0200
> Subject: Re: [Haskell-cafe] cutting long strings into lines
> 
> Matthias Fischmann wrote:
> > although this wasn't the original problem, i like it, too :).  but now
> > i am stuck in finding an optimal implementation for lines.
> 
> Isn't the obvious one good enough?
> 
> lines [] = []
> lines s = go s
>   where
>     go [] = [[]]
>     go ('\n':s) = [] : lines s
>     go (c:s) = let (l:ls) = go s in (c:l):ls

thanks.  good enough, yes.  just not obvious to me...  (-:
matthias
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