[Haskell-cafe] arr considered harmful
ryani.spam at gmail.com
Tue Nov 1 02:49:56 CET 2011
This seems basically what I'm talking about, except even more hardcore. I
think mostly what I'm suggesting is that the GHC arrow preprocessor to
compile to something like generalized arrows, by default, with current
Arrows as a special case.
On Mon, Oct 31, 2011 at 5:48 PM, Felipe Almeida Lessa <
felipe.lessa at gmail.com> wrote:
> On Mon, Oct 31, 2011 at 10:33 PM, Ryan Ingram <ryani.spam at gmail.com>
> > The arrow syntax translation uses arr to do plumbing of variables. I
> > a promising project would be to figure out exactly what plumbing is
> > and add those functions to a sort of 'PrimitiveArrow' class. All of
> > plumbing functions are trivially implemented in terms of 'arr', when it
> > exists, but if it doesn't, it should be possible to use the arrow syntax
> > regardless.
> There are already generalized arrows . Is that what you are looking
>  http://www.cs.berkeley.edu/~megacz/garrows/
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