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-rw-r--r--haddock-api/src/Haddock/Backends/LaTeX.hs12
1 files changed, 7 insertions, 5 deletions
diff --git a/haddock-api/src/Haddock/Backends/LaTeX.hs b/haddock-api/src/Haddock/Backends/LaTeX.hs
index c9262c7e..e1090a0e 100644
--- a/haddock-api/src/Haddock/Backends/LaTeX.hs
+++ b/haddock-api/src/Haddock/Backends/LaTeX.hs
@@ -898,9 +898,11 @@ ppr_mono_ty :: Int -> HsType DocName -> Bool -> LaTeX
ppr_mono_ty ctxt_prec (HsForAllTy expl extra tvs ctxt ty) unicode
= maybeParen ctxt_prec pREC_FUN $
hsep [ppForAll expl tvs ctxt' unicode, ppr_mono_lty pREC_TOP ty unicode]
- where ctxt' = case extra of
- Just loc -> (++ [L loc HsWildcardTy]) `fmap` ctxt
- Nothing -> ctxt
+ where
+ anonWC = HsWildCardTy (AnonWildCard PlaceHolder)
+ ctxt'
+ | Just loc <- extra = (++ [L loc anonWC]) `fmap` ctxt
+ | otherwise = ctxt
ppr_mono_ty _ (HsBangTy b ty) u = ppBang b <> ppLParendType u ty
ppr_mono_ty _ (HsTyVar name) _ = ppDocName name
@@ -939,9 +941,9 @@ ppr_mono_ty ctxt_prec (HsParTy ty) unicode
ppr_mono_ty ctxt_prec (HsDocTy ty _) unicode
= ppr_mono_lty ctxt_prec ty unicode
-ppr_mono_ty _ HsWildcardTy _ = char '_'
+ppr_mono_ty _ (HsWildCardTy (AnonWildCard _)) _ = char '_'
-ppr_mono_ty _ (HsNamedWildcardTy name) _ = ppDocName name
+ppr_mono_ty _ (HsWildCardTy (NamedWildCard name)) _ = ppDocName name
ppr_mono_ty _ (HsTyLit t) u = ppr_tylit t u