diff options
Diffstat (limited to 'haddock-api')
| -rw-r--r-- | haddock-api/src/Haddock/Backends/Xhtml/Specialize.hs | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/haddock-api/src/Haddock/Backends/Xhtml/Specialize.hs b/haddock-api/src/Haddock/Backends/Xhtml/Specialize.hs index a2cb8799..50cce3d5 100644 --- a/haddock-api/src/Haddock/Backends/Xhtml/Specialize.hs +++ b/haddock-api/src/Haddock/Backends/Xhtml/Specialize.hs @@ -47,32 +47,26 @@ specializeTyVarBndrs bndrs typs = bname (KindedTyVar (L _ name) _) = name -sugar :: (NamedThing name, DataId name) => HsType name -> HsType name -sugar = sugarTuples . sugarLists - - -sugarLists :: forall name. (NamedThing name, DataId name) - => HsType name -> HsType name -sugarLists = everywhere $ mkT (sugarListsStep :: HsType name -> HsType name) +sugar :: forall name. (NamedThing name, DataId name) + => HsType name -> HsType name +sugar = + everywhere $ mkT step + where + step :: HsType name -> HsType name + step = sugarTuples . sugarLists -sugarListsStep :: NamedThing name => HsType name -> HsType name -sugarListsStep (HsAppTy (L _ (HsTyVar name)) ltyp) +sugarLists :: NamedThing name => HsType name -> HsType name +sugarLists (HsAppTy (L _ (HsTyVar name)) ltyp) | isBuiltInSyntax name' && strName == "[]" = HsListTy ltyp where name' = getName name strName = occNameString . nameOccName $ name' -sugarListsStep typ = typ - - -sugarTuples :: forall name. (NamedThing name, DataId name) - => HsType name -> HsType name -sugarTuples = everywhere $ - mkT (sugarTuplesStep :: HsType name -> HsType name) +sugarLists typ = typ -sugarTuplesStep :: NamedThing name => HsType name -> HsType name -sugarTuplesStep typ = +sugarTuples :: NamedThing name => HsType name -> HsType name +sugarTuples typ = aux [] typ where aux apps (HsAppTy (L _ ftyp) atyp) = aux (atyp:apps) ftyp |