
18 May
2015
18 May
'15
8:45 a.m.
It's right in transformers: https://hackage.haskell.org/package/transformers-0.4.3.0/docs/Data-Functor-S... On 18/05/15 15:32, Daniel van den Eijkel wrote:
Hi,
I am wondering if there is a library with a datatype like the following defined:
data EitherF m1 m2 a = LeftF (m1 a) | RightF (m2 a)
I could not find anything with Hoogle. Does anybody know such a thing?
Thank you & best, Daniel
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