[containers] Proposal: Change to the Data.Map Monoid

[Henning Thielemann]

Am 20.05.2014 20:49, schrieb Andreas Abel:

> I think the Monoid instance for Data.Map should be *removed*.

I'd also like that.


> Why not trash these oneliners and free the Monoid instance for whatever
> the user wants it to do?

Provided that the programmers know that they have to add a newtype and 
avoid orphan instances.