31 Oct
2006
31 Oct
'06
1:21 a.m.
ndmitchell:
Hi
#974: Add isLeft, isRight, fromLeft, fromRight, and splitEithers to Data.Either
Woohoo! Finally!
This proposal would add basic functionality to `Either` similar to that for `Maybe`. The `splitEithers` function of type `[Either a b] -> ([a],[b])` is unique; however, it seems to be a widely useful function.
This (in my mind) is a parallel to unzip? unzipEithers to me gives a much clearer picture of what is going on here.
yeah, if its an unzip, then unzipEithers makes more sense. -- Don