diff options
Diffstat (limited to 'compiler/basicTypes/PatSyn.hs')
| -rw-r--r-- | compiler/basicTypes/PatSyn.hs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/basicTypes/PatSyn.hs b/compiler/basicTypes/PatSyn.hs index 823c838c05..0e218a39c1 100644 --- a/compiler/basicTypes/PatSyn.hs +++ b/compiler/basicTypes/PatSyn.hs @@ -394,7 +394,7 @@ patSynInstArgTys :: PatSyn -> [Type] -> [Type] patSynInstArgTys (MkPatSyn { psName = name, psUnivTyVars = univ_tvs , psExTyVars = ex_tvs, psArgs = arg_tys }) inst_tys - = ASSERT2( length tyvars == length inst_tys + = ASSERT2( tyvars `equalLength` inst_tys , text "patSynInstArgTys" <+> ppr name $$ ppr tyvars $$ ppr inst_tys ) map (substTyWith tyvars inst_tys) arg_tys where @@ -409,7 +409,7 @@ patSynInstResTy :: PatSyn -> [Type] -> Type patSynInstResTy (MkPatSyn { psName = name, psUnivTyVars = univ_tvs , psOrigResTy = res_ty }) inst_tys - = ASSERT2( length univ_tvs == length inst_tys + = ASSERT2( univ_tvs `equalLength` inst_tys , text "patSynInstResTy" <+> ppr name $$ ppr univ_tvs $$ ppr inst_tys ) substTyWith (binderVars univ_tvs) inst_tys res_ty |