Add Show instance for WeedError
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@ -63,6 +63,7 @@ harmless :: e -> Weed e ()
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harmless e = Weed (Endo (e:)) (Right ())
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harmless e = Weed (Endo (e:)) (Right ())
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data WeedError a = WeedError a String
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data WeedError a = WeedError a String
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deriving (Show)
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instance Functor WeedError where
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instance Functor WeedError where
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fmap f (WeedError a s) = WeedError (f a) s
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fmap f (WeedError a s) = WeedError (f a) s
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