Monad instance for Monoid e => (,) e

[Jake McArthur]

There was a proposal to add it, but it went stale. I favor adding it.
On Jul 25, 2013 7:47 AM, "Henning Thielemann" <lemming at henning-thielemann.de>
wrote:

>
> On Thu, 25 Jul 2013, Nathan van Doorn wrote:
>
>  This is a relatively simple instance, so I was surprised that I couldn't
>> find it in base.
>> My proposal is to add the instance to Control.Monad.Instances,
>> undeprecating the module.
>>
>
> Wasn't it already added? Nonetheless, I strongly suggest to use
> Control.Monad.Trans.Writer instead. To me, using a pair as a monad looks
> like an error not like a feature.
>
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