Maximum and Minimum monoids

[Henning Thielemann]

On Thu, 27 Dec 2012, Gabriel Gonzalez wrote:

> I don't know if this has been brought up before or not, but would it be 
> possible to add the Maximum and Minimum monoids to Data.Monoid?  The 
> following implementations extend the traditional semigroups using Maybe.

I remember there was a discussion on this topic some years ago. If you 
want I may search for the old discussion.