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

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 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 wrote:

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On 2014-05-21 at 00:23:44 +0200, Andreas Abel wrote:

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_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? _______________________________________________ Libraries mailing list Libraries@haskell.org http://www.haskell.org/mailman/listinfo/libraries

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