Proposal: add fromRight and fromLeft to Data.Either

[Erik de Castro Lopo]

Anton Felix Lorenzen wrote:

> When working with Either,
> I am often missing two simple functions:
> fromRight :: Either a b -> b
> fromLeft  :: Either a b -> a
> 
> It has been implemented a couple of times:
> http://hayoo.fh-wedel.de/?query=fromRight
> 
> But I don't want to depend on yet another library
> for such a basic function.
> 
> Could it be added?

-1 on the addition of yet another partial function.

Erik
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Erik de Castro Lopo
http://www.mega-nerd.com/