[Haskell-cafe] traversal with an arrow
ivanperezdominguez at gmail.com
Fri Jun 17 17:27:37 UTC 2022
There are some constructs like this in Dunai and Yampa (but not
The first one indeed uses ArrowChoice:
The other two seem to be implementing some similar (ad hoc) choice, but it
can be hard to tell sometimes:
On Fri, 17 Jun 2022 at 11:29, Tom Ellis <
tom-lists-haskell-cafe-2017 at jaguarpaw.co.uk> wrote:
> On Fri, Jun 17, 2022 at 05:01:55PM +0200, Olaf Klinke wrote:
> > Is there prior art to the following generalisation?
> > traverseArrow :: Traversable t => a x y -> a (t x) (t y)
> Perhaps you are looking for this:
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