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annfail10.hs:9:1:
No instance for (Data.Data.Data a0) arising from an annotation
The type variable ‘a0’ is ambiguous
Note: there are several potential instances:
instance (Data.Data.Data a, Data.Data.Data b) =>
Data.Data.Data (Either a b)
-- Defined in ‘Data.Data’
instance Data.Data.Data Data.Monoid.All -- Defined in ‘Data.Data’
instance (Data.Data.Data (f a), Data.Data.Data a,
Data.Typeable.Internal.Typeable f) =>
Data.Data.Data (Data.Monoid.Alt f a)
-- Defined in ‘Data.Data’
...plus 39 others
In the annotation: {-# ANN f 1 #-}
annfail10.hs:9:11:
No instance for (Num a0) arising from the literal ‘1’
The type variable ‘a0’ is ambiguous
Note: there are several potential instances:
instance forall (k :: BOX) (f :: k -> *) (a :: k).
Num (f a) =>
Num (Data.Monoid.Alt f a)
-- Defined in ‘Data.Monoid’
instance Num a => Num (Data.Monoid.Product a)
-- Defined in ‘Data.Monoid’
instance Num a => Num (Data.Monoid.Sum a)
-- Defined in ‘Data.Monoid’
...plus 14 others
In the annotation: {-# ANN f 1 #-}
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