[Haskell-cafe] Should foldl' be added to the post-"Plan FTP" Prelude?

Carter Schonwald carter.schonwald at gmail.com
Tue Feb 24 20:38:45 UTC 2015


I think that should be raised on the libraries list, but subject to that, a
strong +1 from me once you do :)

On Tue, Feb 24, 2015 at 3:24 PM, Bob Ippolito <bob at redivi.com> wrote:

> I would love to have foldl' as part of the Prelude. I use it quite
> frequently and it seems like a beginner trap to have foldl but not foldl'
> (which is almost always the better choice). I see that foldMap has been
> added (in addition to all of Monoid and Traversable), why was foldl' left
> out?
>
> It might be good measure to add foldr' as well, although I use that much
> less frequently.
>
> -bob
>
>
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