[Haskell-cafe] ANN: unfoldable-0.4.0
Roman Cheplyaka
roma at ro-che.info
Thu Apr 26 21:52:23 CEST 2012
* Tillmann Rendel <rendel at informatik.uni-marburg.de> [2012-04-26 21:34:21+0200]
> Hi,
>
> Sjoerd Visscher wrote:
> >Just as there's a Foldable class, there should also be an Unfoldable class. This package provides one:
> >
> > class Unfoldable t where
> > unfold :: Unfolder f => f a -> f (t a)
>
> Just to be sure: That's not a generalization of Data.List.unfoldr, or
> is it somehow?
It seems to be -- see
https://github.com/sjoerdvisscher/unfoldable/blob/master/src/Data/Unfoldable.hs#L84
(although that is much more complicated than Data.List.unfoldr)
--
Roman I. Cheplyaka :: http://ro-che.info/
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