[Haskell-cafe] arr considered harmful

Felipe Almeida Lessa felipe.lessa at gmail.com
Tue Nov 1 01:48:09 CET 2011

On Mon, Oct 31, 2011 at 10:33 PM, Ryan Ingram <ryani.spam at gmail.com> wrote:
> The arrow syntax translation uses arr to do plumbing of variables.  I think
> a promising project would be to figure out exactly what plumbing is needed,
> and add those functions to a sort of 'PrimitiveArrow' class.  All of these
> 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 [1].  Is that what you are looking for?


[1] http://www.cs.berkeley.edu/~megacz/garrows/


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