Proposal: add fromRight and fromLeft to Data.Either

[Edward Kmett]

The main annoyance with the total versions is that the existing fromJust
has the wrong convention.

Oh well. Consistency is overrated.

-Edward

On Sun, May 29, 2016 at 9:00 PM, Michael Burge <michaelburge at pobox.com>
wrote:

> +1 on the total versions.
>
> On Sat, May 28, 2016 at 5:48 PM, wren romano <wren at community.haskell.org>
> wrote:
>
>> On Sat, May 21, 2016 at 2:06 PM, Andreas Abel <abela at chalmers.se> wrote:
>> > Ah, yes, we want fromLeft and fromRight, but with types
>> >
>> >   fromLeft  :: a -> Either a b -> a
>> >   fromRight :: b -> Either a b -> b
>> >
>> > where the first argument is the "default", like
>>
>> If anything is added, then +1 for these versions.
>>
>> Very strong -1 for adding partial functions.
>>
>> --
>> Live well,
>> ~wren
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>
>
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