Traversable.mapM_ missing
Andreas Abel
andreas.abel at ifi.lmu.de
Sun May 19 01:34:04 CEST 2013
Thanks, Henning, Jake, and Edward, for the quick answer!
On 18.05.13 11:34 PM, Edward Kmett wrote:
> Because it is supplied by the Foldable superclass.
>
>
> On Sat, May 18, 2013 at 5:21 PM, Andreas Abel <andreas.abel at ifi.lmu.de
> <mailto: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 <mailto:andreas.abel at ifi.lmu.de>
> http://www2.tcs.ifi.lmu.de/~__abel/ <http://www2.tcs.ifi.lmu.de/~abel/>
>
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--
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/
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