Traversable.mapM_ missing

[Jake McArthur]

It lives in Data.Foldable. You don't need the full power of Traversable for
mapM_!


On Sat, May 18, 2013 at 5:21 PM, Andreas Abel <andreas.abel at ifi.lmu.de>wrote:

> On some haskell list I read that for lists,
>
>   mapM_ f l
>
> is more space-efficient that just
>
>   void $ mapM f l
>
> Any reason why mapM_ is missing from Data.Traversable?
>
> Cheers,
> Andreas
>
> --
> Andreas Abel  <><      Du bist der geliebte Mensch.
>
> Theoretical Computer Science, University of Munich
> Oettingenstr. 67, D-80538 Munich, GERMANY
>
> andreas.abel at ifi.lmu.de
> http://www2.tcs.ifi.lmu.de/~**abel/ <http://www2.tcs.ifi.lmu.de/~abel/>
>
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