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Add Show instance for WeedError

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Joscha 2020-04-04 13:41:02 +00:00
parent 86dd243c11
commit e942544044
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src/Mima/Asm/Weed.hs
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@ -63,6 +63,7 @@ harmless :: e -> Weed e ()
harmless e = Weed (Endo (e:)) (Right ())
data WeedError a = WeedError a String
deriving (Show)
instance Functor WeedError where
fmap f (WeedError a s) = WeedError (f a) s