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-rw-r--r--haddock-api/src/Haddock/Backends/LaTeX.hs14
1 files changed, 11 insertions, 3 deletions
diff --git a/haddock-api/src/Haddock/Backends/LaTeX.hs b/haddock-api/src/Haddock/Backends/LaTeX.hs
index 2371695f..ac904273 100644
--- a/haddock-api/src/Haddock/Backends/LaTeX.hs
+++ b/haddock-api/src/Haddock/Backends/LaTeX.hs
@@ -1072,9 +1072,13 @@ ppr_mono_ty (HsForAllTy _ tele ty) unicode
ppr_mono_ty (HsQualTy _ ctxt ty) unicode
= sep [ ppLContext ctxt unicode
, ppr_mono_lty ty unicode ]
-ppr_mono_ty (HsFunTy _ _ ty1 ty2) u
+ppr_mono_ty (HsFunTy _ mult ty1 ty2) u
= sep [ ppr_mono_lty ty1 u
- , arrow u <+> ppr_mono_lty ty2 u ]
+ , arr <+> ppr_mono_lty ty2 u ]
+ where arr = case mult of
+ HsLinearArrow _ -> lollipop u
+ HsUnrestrictedArrow _ -> arrow u
+ HsExplicitMult _ m -> multAnnotation <> ppr_mono_lty m u <+> arrow u
ppr_mono_ty (HsBangTy _ b ty) u = ppBang b <> ppLParendType u ty
ppr_mono_ty (HsTyVar _ NotPromoted (L _ name)) _ = ppDocName name
@@ -1368,14 +1372,18 @@ quote :: LaTeX -> LaTeX
quote doc = text "\\begin{quote}" $$ doc $$ text "\\end{quote}"
-dcolon, arrow, darrow, forallSymbol, starSymbol, atSign :: Bool -> LaTeX
+dcolon, arrow, lollipop, darrow, forallSymbol, starSymbol, atSign :: Bool -> LaTeX
dcolon unicode = text (if unicode then "∷" else "::")
arrow unicode = text (if unicode then "→" else "->")
+lollipop unicode = text (if unicode then "⊸" else "%1 ->")
darrow unicode = text (if unicode then "⇒" else "=>")
forallSymbol unicode = text (if unicode then "∀" else "forall")
starSymbol unicode = text (if unicode then "★" else "*")
atSign unicode = text (if unicode then "@" else "@")
+multAnnotation :: LaTeX
+multAnnotation = text "%"
+
dot :: LaTeX
dot = char '.'