Proposal: Strict scanl, scanl1 and mapAccumL

Niklas Hambüchen mail at
Fri Jul 19 04:03:44 CEST 2013

On Wed 05 Dec 2012 07:56:10 JST, Bas van Dijk wrote:
> I would like to drop the proposal for adding scanl', scanl1' and mapAccumL'.

Would you instead propose a headStrict equivalent into Data.List?

It seems very useful to have it there, especially because the haddocks 
could refer to it for those functions where forcing-by-foldr is 

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