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Define Listable instances for Return and Empty.
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@ -37,8 +37,8 @@ import Data.Record
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import Data.Semigroup
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import Data.Source
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import Data.Span
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import qualified Data.Syntax as Syntax (Identifier(..))
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import qualified Data.Syntax.Statement as Statement (If(..))
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import qualified Data.Syntax as Syntax (Empty(..), Identifier(..))
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import qualified Data.Syntax.Statement as Statement (If(..), Return(..))
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import Data.Text as T (Text, pack)
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import qualified Data.Text.Encoding as T
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import Data.These
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@ -292,12 +292,18 @@ instance (Listable1 f, Listable1 (Union (g ': fs))) => Listable1 (Union (f ': g
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instance Listable1 f => Listable1 (Union '[f]) where
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liftTiers tiers = inj `mapT` ((liftTiers :: [Tier a] -> [Tier (f a)]) tiers)
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instance Listable1 Syntax.Identifier where
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liftTiers _ = cons1 Syntax.Identifier
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instance Listable1 Statement.If where
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liftTiers tiers = liftCons3 tiers tiers tiers Statement.If
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instance Listable1 Statement.Return where
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liftTiers tiers = liftCons1 tiers Statement.Return
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instance Listable1 Syntax.Empty where
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liftTiers _ = cons0 Syntax.Empty
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instance Listable1 Syntax.Identifier where
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liftTiers _ = cons1 Syntax.Identifier
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instance Listable1 Gram where
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liftTiers tiers = liftCons2 (liftTiers (liftTiers tiers)) (liftTiers (liftTiers tiers)) Gram
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