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Adding a "type" prefix when printing type operator import specs with import lists #475

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Adding a "type" prefix when printing type operator import specs with import lists #475

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14 changes: 10 additions & 4 deletions src/Language/Haskell/Exts/Pretty.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -367,12 +367,18 @@ instance Pretty (ImportSpecList l) where
(if b then text "hiding" else empty)
<+> parenList (map pretty ispecs)

instance Pretty (ImportSpec l) where
instance Pretty (ImportSpec l) where
pretty (IVar _ name ) = pretty name
pretty (IAbs _ ns name) = pretty ns <+> pretty name
pretty (IThingAll _ name) = pretty name <> text "(..)"
pretty (IThingWith _ name nameList) =
pretty name <> (parenList . map pretty $ nameList)
pretty (IThingAll _ name) = let rest = pretty name <> text "(..)" in
case name of
-- if it's a symbol, append a "type" prefix to the beginning
(Symbol _ _) -> pretty (TypeNamespace {}) <+> rest
(Ident _ _) -> rest
pretty (IThingWith _ name nameList) = let rest = pretty name <> (parenList . map pretty $ nameList) in
case name of
(Symbol _ _) -> pretty (TypeNamespace {}) <+> rest
(Ident _ _) -> rest

instance Pretty (TypeEqn l) where
pretty (TypeEqn _ pat eqn) = mySep [pretty pat, equals, pretty eqn]
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