Missing Traversable instances

hsyl20 . hsyl20 at gmail.com
Sun Sep 29 22:07:44 UTC 2013


Great! :)


2013/9/27 Edward Kmett <ekmett at gmail.com>

> You're all set. We've had it inside HEAD for a couple of months.
>
> instance Traversable (Either a) -- Defined in 'Data.Traversable'
>
> -Edward
>
>
>
> On Fri, Sep 27, 2013 at 1:55 PM, hsyl20 . <hsyl20 at gmail.com> wrote:
>
>> Hi,
>>
>> I would like to use a Traversable instance for "Either e". I have read it
>> is a recurrent demand [1][2] to integrate it in base. Could we do it for
>> the next release?
>>
>> Thanks
>> Sylvain
>>
>> [1]
>> http://haskell.1045720.n5.nabble.com/Proposal-Add-the-missing-instances-for-Traversable-Either-b-and-Traversable-b-td5715398.html
>>
>> [2] http://osdir.com/ml/libraries@haskell.org/2011-01/msg00325.html
>>
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>>
>>
>
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