A better type signature for `forM_`

Erik de Castro Lopo mle+hs at mega-nerd.com
Fri Apr 1 05:02:43 UTC 2016


David Feuer wrote:

> I think it's an interesting idea from a safety standpoint. Unfortunately,
> as Ed pointed out to me in a similar context, `void` isn't always free.

I would love to see an elaboration of that.

Erik
-- 
----------------------------------------------------------------------
Erik de Castro Lopo
http://www.mega-nerd.com/


More information about the Libraries mailing list