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

[Michael Snoyman]

At the risk of veering terribly off-topic... the splitting of data-default
into all of those packages caused me a bunch of dependency headaches, most
of which I still don't fully comprehend. I miss the good ol' days of a
single package.


On Wed, May 21, 2014 at 5:53 PM, Edward Kmett <ekmett at gmail.com> wrote:

> I find myself rather hesitant to recommend that instantiation of the idea
> ever since it exploded into a half-dozen packages full of orphan instances,
> but yes.
>
> -Edward
>
>
> On Wed, May 21, 2014 at 6:38 AM, Herbert Valerio Riedel <hvr at gnu.org>wrote:
>
>> On 2014-05-21 at 00:23:44 +0200, Andreas Abel wrote:
>> >>> _Lots_ of users initialize empty maps with mempty
>> >
>> > Well, this is another issue, empty should be overloaded via
>> >
>> > class Empty a where
>> >   empty :: a
>>
>> Btw, isn't this what
>>
>>   http://hackage.haskell.org/package/data-default
>>
>> provides?
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>
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