#4159: move Monad and MonadFix instances for Either from mtl to
base
Henning Thielemann
lemming at henning-thielemann.de
Wed Jul 21 15:02:50 EDT 2010
Iavor Diatchki schrieb:
> Hello,
> I don't mind the instance being in MTL because then I can choose if I
> should use it or not.
You cannot really choose - if only one imported package transitively
depends on MTL you get that instance. Dependencies on Hackage are so big
today, that it is very likely to get MTL or transformers imported that way.
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