Merge branch 'master' of github.com:ekmett/either

ekmett · Jan 17, 2016 · 687f8fc · 687f8fc
2 parents 8c94387 + 7ed6620
commit 687f8fc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Data/Either/Validation.hs b/src/Data/Either/Validation.hs
@@ -117,7 +117,7 @@ _Success = prism
               Success y -> Right y)
 {-# INLINE _Success #-}
 
-type Iso s t a b = (Profunctor p, Functor f) => p a (f b) -> p s (f t)
+type Iso s t a b = forall p f. (Profunctor p, Functor f) => p a (f b) -> p s (f t)
 
 iso :: (s -> a) -> (b -> t) -> Iso s t a b
 iso sa bt = dimap sa (fmap bt)