diff options
Diffstat (limited to 'compiler/types/TypeRep.hs')
| -rw-r--r-- | compiler/types/TypeRep.hs | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/compiler/types/TypeRep.hs b/compiler/types/TypeRep.hs index c78c9c5975..ea7724cfdd 100644 --- a/compiler/types/TypeRep.hs +++ b/compiler/types/TypeRep.hs @@ -730,8 +730,7 @@ pprTcApp _ pp tc [ty] pprTcApp p pp tc tys | isTupleTyCon tc && tyConArity tc == length tys - = pprPromotionQuote tc <> - tupleParens (tupleTyConSort tc) (sep (punctuate comma (map (pp TopPrec) tys))) + = pprTupleApp p pp tc tys | Just dc <- isPromotedDataCon_maybe tc , let dc_tc = dataConTyCon dc @@ -746,6 +745,17 @@ pprTcApp p pp tc tys | otherwise = sdocWithDynFlags (pprTcApp_help p pp tc tys) +pprTupleApp :: TyPrec -> (TyPrec -> a -> SDoc) -> TyCon -> [a] -> SDoc +-- Print a saturated tuple +pprTupleApp p pp tc tys + | null tys + , ConstraintTuple <- tupleTyConSort tc + = maybeParen p TopPrec $ + ppr tc <+> dcolon <+> ppr (tyConKind tc) + | otherwise + = pprPromotionQuote tc <> + tupleParens (tupleTyConSort tc) (sep (punctuate comma (map (pp TopPrec) tys))) + pprTcApp_help :: TyPrec -> (TyPrec -> a -> SDoc) -> TyCon -> [a] -> DynFlags -> SDoc -- This one has accss to the DynFlags pprTcApp_help p pp tc tys dflags |