[Haskell-beginners] general structuring of "foreach" logic in IO
Brandon Allbery
allbery.b at gmail.com
Mon Apr 14 15:47:40 UTC 2014
On Mon, Apr 14, 2014 at 11:41 AM, John M. Dlugosz
<ngnr63q02 at sneakemail.com>wrote:
> (And that begs the question of why getArgs needs to be monadic in the
> first place. It doesn't change its value; it's a strict constant at
> run-time, and not knowing it at compile time is my problem how?)
But it is the *compiler's* problem. "Constant" means "known at compile
time" to the compiler.
Although I wonder if you'd be happier with getArgs >>= mapM_ (do ...).
--
brandon s allbery kf8nh sine nomine associates
allbery.b at gmail.com ballbery at sinenomine.net
unix, openafs, kerberos, infrastructure, xmonad http://sinenomine.net
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