diff options
| author | Krzysztof Gogolewski <krzysztof.gogolewski@tweag.io> | 2020-12-16 20:03:14 +0100 |
|---|---|---|
| committer | Krzysztof Gogolewski <krzysztof.gogolewski@tweag.io> | 2021-02-05 23:05:56 +0100 |
| commit | 62bf25cb0931e761e8b2ff082a703d79386fc8bc (patch) | |
| tree | 2db43650cb17a48e501ae84f6dc041f5dcd619fc /haddock-api/src/Haddock/Backends/Xhtml/Decl.hs | |
| parent | a2f9f297d17059b3fc68ce4a245702278a5d8340 (diff) | |
Display linear/multiplicity arrows correctly (#1238)
Previously we were ignoring multiplicity and displayed
a %1 -> b as a -> b.
(cherry picked from commit b4b4d896d2d68d6c48e7db7bfe95c185ca0709cb)
Diffstat (limited to 'haddock-api/src/Haddock/Backends/Xhtml/Decl.hs')
| -rw-r--r-- | haddock-api/src/Haddock/Backends/Xhtml/Decl.hs | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs index eeb9fa94..0b0050df 100644 --- a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs +++ b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs @@ -1213,10 +1213,15 @@ ppr_mono_ty (HsTyVar _ prom (L _ name)) _ q _ | otherwise = ppDocName q Prefix True name ppr_mono_ty (HsStarTy _ isUni) u _ _ = toHtml (if u || isUni then "★" else "*") -ppr_mono_ty (HsFunTy _ _ ty1 ty2) u q e = +ppr_mono_ty (HsFunTy _ mult ty1 ty2) u q e = hsep [ ppr_mono_lty ty1 u q HideEmptyContexts - , arrow u <+> ppr_mono_lty ty2 u q e + , arr <+> ppr_mono_lty ty2 u q e ] + where arr = case mult of + HsLinearArrow _ -> lollipop u + HsUnrestrictedArrow _ -> arrow u + HsExplicitMult _ m -> multAnnotation <> ppr_mono_lty m u q e <+> arrow u + ppr_mono_ty (HsTupleTy _ con tys) u q _ = tupleParens con (map (ppLType u q HideEmptyContexts) tys) ppr_mono_ty (HsSumTy _ tys) u q _ = |