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Define a Show1 instance for Env.

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Rob Rix 2017-09-11 10:20:48 -04:00
parent 98cd5eb860
commit 6dc4cf310e
1 changed files with 3 additions and 0 deletions
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src/Data/Functor/Binding.hs
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@ -92,6 +92,9 @@ instance Show1 f => Show1 (BindingF f) where
instance (Show1 f, Show a) => Show (BindingF f a) where
showsPrec = showsPrec1
instance Show1 Env where
liftShowsPrec sp sl d (Env vs) = showsUnaryWith (const (liftShowList sp sl)) "Env" d vs
instance Pretty Metavar where
pretty (Metavar v) = pretty v