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-rw-r--r--haddock-api/src/Haddock/Backends/Xhtml/Decl.hs4
-rw-r--r--haddock-api/src/Haddock/Convert.hs16
-rw-r--r--haddock-api/src/Haddock/Interface/Rename.hs2
3 files changed, 13 insertions, 9 deletions
diff --git a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
index 2fcc21e0..88aa966c 100644
--- a/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
+++ b/haddock-api/src/Haddock/Backends/Xhtml/Decl.hs
@@ -265,9 +265,9 @@ ppTyFam summary associated links instances fixities loc doc decl splice unicode
ppTyFamHeader summary associated decl unicode qual <+> ppFixities fixities qual
instancesBit
- | FamilyDecl { fdInfo = ClosedTypeFamily eqns } <- decl
+ | FamilyDecl { fdInfo = ClosedTypeFamily mb_eqns } <- decl
, not summary
- = subEquations qual $ map (ppTyFamEqn . unLoc) eqns
+ = subEquations qual $ map (ppTyFamEqn . unLoc) $ fromMaybe [] mb_eqns
| otherwise
= ppInstances instances docname unicode qual
diff --git a/haddock-api/src/Haddock/Convert.hs b/haddock-api/src/Haddock/Convert.hs
index ce1ef8b6..d841aecc 100644
--- a/haddock-api/src/Haddock/Convert.hs
+++ b/haddock-api/src/Haddock/Convert.hs
@@ -131,7 +131,7 @@ synifyAxiom ax@(CoAxiom { co_ax_tc = tc })
(TyFamInstDecl { tfid_eqn = noLoc $ synifyAxBranch tc branch
, tfid_fvs = placeHolderNamesTc }))
- | Just ax' <- isClosedSynFamilyTyCon_maybe tc
+ | Just ax' <- isClosedSynFamilyTyConWithAxiom_maybe tc
, getUnique ax' == getUnique ax -- without the getUniques, type error
= synifyTyCon (Just ax) tc >>= return . TyClD
@@ -168,11 +168,15 @@ synifyTyCon coax tc
Just rhs ->
let info = case rhs of
OpenSynFamilyTyCon -> return OpenTypeFamily
- ClosedSynFamilyTyCon (CoAxiom { co_ax_branches = branches }) ->
- return $ ClosedTypeFamily
- (brListMap (noLoc . synifyAxBranch tc) branches)
- BuiltInSynFamTyCon {} -> return $ ClosedTypeFamily []
- AbstractClosedSynFamilyTyCon {} -> return $ ClosedTypeFamily []
+ ClosedSynFamilyTyCon mb -> case mb of
+ Just (CoAxiom { co_ax_branches = branches })
+ -> return $ ClosedTypeFamily $ Just $
+ brListMap (noLoc . synifyAxBranch tc) branches
+ Nothing -> return $ ClosedTypeFamily $ Just []
+ BuiltInSynFamTyCon {}
+ -> return $ ClosedTypeFamily $ Just []
+ AbstractClosedSynFamilyTyCon {}
+ -> return $ ClosedTypeFamily Nothing
in info >>= \i ->
return (FamDecl
(FamilyDecl { fdInfo = i
diff --git a/haddock-api/src/Haddock/Interface/Rename.hs b/haddock-api/src/Haddock/Interface/Rename.hs
index 1234d05c..56e5b07f 100644
--- a/haddock-api/src/Haddock/Interface/Rename.hs
+++ b/haddock-api/src/Haddock/Interface/Rename.hs
@@ -347,7 +347,7 @@ renameFamilyInfo :: FamilyInfo Name -> RnM (FamilyInfo DocName)
renameFamilyInfo DataFamily = return DataFamily
renameFamilyInfo OpenTypeFamily = return OpenTypeFamily
renameFamilyInfo (ClosedTypeFamily eqns)
- = do { eqns' <- mapM renameLTyFamInstEqn eqns
+ = do { eqns' <- mapM (mapM renameLTyFamInstEqn) eqns
; return $ ClosedTypeFamily eqns' }
renameDataDefn :: HsDataDefn Name -> RnM (HsDataDefn DocName)