<div dir="ltr">It lives in Data.Foldable. You don't need the full power of Traversable for mapM_!</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Sat, May 18, 2013 at 5:21 PM, Andreas Abel <span dir="ltr"><<a href="mailto:andreas.abel@ifi.lmu.de" target="_blank">andreas.abel@ifi.lmu.de</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On some haskell list I read that for lists,<br>
<br>
mapM_ f l<br>
<br>
is more space-efficient that just<br>
<br>
void $ mapM f l<br>
<br>
Any reason why mapM_ is missing from Data.Traversable?<br>
<br>
Cheers,<br>
Andreas<br>
<br>
-- <br>
Andreas Abel <>< Du bist der geliebte Mensch.<br>
<br>
Theoretical Computer Science, University of Munich<br>
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</blockquote></div><br></div>