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Define a Show instance for BindingF.

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This commit is contained in:
Rob Rix 2017-09-10 21:52:30 -04:00
parent 831eb67de8
commit 8a41498ffd
1 changed files with 4 additions and 1 deletions
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src/Data/Functor/Binding.hs
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@ -39,6 +39,9 @@ instance Show1 f => Show1 (BindingF f) where
liftShowsPrec sp sl d (Let vars body) = showsBinaryWith (const (liftShowList sp sl)) (liftShowsPrec sp sl) "Let" d vars body
liftShowsPrec _ _ d (VarF var) = showsUnaryWith showsPrec "Var" d var
instance (Show1 f, Show a) => Show (BindingF f a) where
showsPrec = showsPrec1
instance Pretty Metavar where
pretty (Metavar v) = pretty v