shape <- replicatePA len (ctr_num val)
reprs <- liftM concat $ mapM (mk_comp_arrs len val) vect_dcs
-
+
return . mkLams [len_var, val_var]
- $ mkConApp arr_dc (map (Type . TyVarTy) (tyConTyVars arr_tc) ++ (shape : reprs))
+ . wrapFamInstBody arr_tc arg_tys
+ $ mkConApp arr_dc (map Type arg_tys ++ (shape : reprs))
where
- val_ty = mkTyConApp vect_tc . mkTyVarTys $ tyConTyVars arr_tc
- wild = mkWildId val_ty
+ arg_tys = mkTyVarTys (tyConTyVars arr_tc)
+ val_ty = mkTyConApp vect_tc arg_tys
+ wild = mkWildId val_ty
vect_dcs = tyConDataCons vect_tc
[arr_dc] = tyConDataCons arr_tc