[Haskell-cafe] Explicitly passing an argument to an arrow
Alfredo Di Napoli
alfredo.dinapoli at gmail.com
Wed Oct 3 16:09:55 CEST 2012
I see. There exists an equivalent version but more generic?
Just out of curiosity, I'm still pretty new to arrows, as you may have read
On 3 October 2012 15:59, Ertugrul Söylemez <es at ertes.de> wrote:
> Alfredo Di Napoli <alfredo.dinapoli at gmail.com> wrote:
> > Solution was simple, after reading that functions are arrows:
> > swapA' t = (swapFirst >>> swapSecond) (t,t)
> > where
> > swapFirst = first snd
> > swapSecond = second fst
> No, that's not a solution, unless a = (->) is acceptable. This code is
> specific to the function arrow.
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