A Down newtype in Data.Ord?

Edward Kmett ekmett at gmail.com
Sun Nov 20 01:07:10 CET 2011


Because sometimes you put them in containers directly. I've done this, it isn't a theoretical situation.

Sent from my iPhone

On Nov 19, 2011, at 5:24 PM, Herbert Valerio Riedel <hvr at gnu.org> wrote:

> On Sat, 2011-11-19 at 17:03 -0500, Edward Kmett wrote:
>> Dual already has an Ord instance.
> 
> ...btw, why does a monoid need an Ord instance anyway? :-)
> 



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