diff options
| -rw-r--r-- | haddock-api/src/Haddock/Convert.hs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/haddock-api/src/Haddock/Convert.hs b/haddock-api/src/Haddock/Convert.hs index c9664652..2bd111d6 100644 --- a/haddock-api/src/Haddock/Convert.hs +++ b/haddock-api/src/Haddock/Convert.hs @@ -339,8 +339,9 @@ synifyType :: SynifyTypeState -> Type -> LHsType Name synifyType _ (TyVarTy tv) = noLoc $ HsTyVar (getName tv) synifyType _ (TyConApp tc tys) -- Use non-prefix tuple syntax where possible, because it looks nicer. - | isTupleTyCon tc, tyConArity tc == length tys = - noLoc $ HsTupleTy (case tupleTyConSort tc of + | Just sort <- tyConTuple_maybe tc + , tyConArity tc == length tys + = noLoc $ HsTupleTy (case sort of BoxedTuple -> HsBoxedTuple ConstraintTuple -> HsConstraintTuple UnboxedTuple -> HsUnboxedTuple) |