diff options
Diffstat (limited to 'compiler/basicTypes/DataCon.hs')
| -rw-r--r-- | compiler/basicTypes/DataCon.hs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/basicTypes/DataCon.hs b/compiler/basicTypes/DataCon.hs index 60cffac2ab..cc475e29d7 100644 --- a/compiler/basicTypes/DataCon.hs +++ b/compiler/basicTypes/DataCon.hs @@ -1130,7 +1130,7 @@ dataConInstArgTys :: DataCon -- ^ A datacon with no existentials or equality -> [Type] dataConInstArgTys dc@(MkData {dcUnivTyVars = univ_tvs, dcExTyVars = ex_tvs}) inst_tys - = ASSERT2( length univ_tvs == length inst_tys + = ASSERT2( univ_tvs `equalLength` inst_tys , text "dataConInstArgTys" <+> ppr dc $$ ppr univ_tvs $$ ppr inst_tys) ASSERT2( null ex_tvs, ppr dc ) map (substTyWith (binderVars univ_tvs) inst_tys) (dataConRepArgTys dc) @@ -1147,7 +1147,7 @@ dataConInstOrigArgTys dataConInstOrigArgTys dc@(MkData {dcOrigArgTys = arg_tys, dcUnivTyVars = univ_tvs, dcExTyVars = ex_tvs}) inst_tys - = ASSERT2( length tyvars == length inst_tys + = ASSERT2( tyvars `equalLength` inst_tys , text "dataConInstOrigArgTys" <+> ppr dc $$ ppr tyvars $$ ppr inst_tys ) map (substTyWith tyvars inst_tys) arg_tys where |