On May 9, 2013, at 10:36 PM, Conal Elliott <co...@conal.net> wrote:
> BTW, have you see the new paper The constrained-monad problem? I want to 
> investigate whether its techniques can apply to Category & friends for linear 
> maps and for circuits. Perhaps you’d like to give it a try as well. I got to 
> linear maps as an elegant formulation of timing analysis for circuits.
> 
I have implemented the normal form for categories. The normal form is like the 
type-threaded lists from the thrist package:
https://gist.github.com/sjoerdvisscher/5554910

Evaluating the normal form works fine even for your original :-* datatype.

But I got stuck trying to expand this to categories with products, as I'm not 
sure what the normal form should be. But I guess you might have good ideas 
about that?

Sjoerd
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