[Haskell-cafe] Alternative name for return

Brandon Allbery allbery.b at gmail.com
Tue Aug 6 16:01:35 CEST 2013

On Tue, Aug 6, 2013 at 4:03 AM, J. Stutterheim <j.stutterheim at me.com> wrote:

> I have to admit that I am a bit torn about using `pure`. On the one hand,
> if you actually have a pure value, it feels pretty intuitive to me. But
> what about
>   pure (putStrLn "Hi")
> `putStrLn "Hi"` is not a pure value... Or is there another way to
> interpret the word pure in this context?

I actually have the opposite problem: what's impure about lifting 5 into
Maybe or []? `pure` feels IO-targeted.

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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