Proposal: Show and Read for Data.Ord.Down

David Luposchainsky dluposchainsky at
Fri Oct 11 23:15:06 UTC 2013

On 2013-09-26 06:50, Edward A Kmett wrote:
> I strongly favor creating instances like this.
> Not having them just makes the world more painful to debug code to
> make a normative point and leads to greater code fragmentation when
> someone else has another stance.

I agree. Being able to look at some value "the dirty way" is an
important use case of Show (be it as a return value or via trace), and I
see no reason for any datatype to not support Show when it could.

On Read I don't have an opinion because I usually try to avoid it :-)



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