Should foldl' be added to the post-"Plan FTP" Prelude

[Chris Allen]

(+1) on foldl', (-1) on foldr' for the reasons outlined in the other 
mailing list.

On 02/24/2015 02:42 PM, Bob Ippolito wrote:
> (Cross-posted from haskell-cafe as suggested by Carter Schonwald)
>
> 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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