- let diff l1 l2 =
- let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
- let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
- let diff = S.diff s2 s1 in
- S.fold (fun uri uris -> uri :: uris) diff []
- in
- diff status1.objects status2.objects
+ let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
+ let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
+ let diff = S.diff s2 s1 in
+ S.fold (fun uri uris -> uri :: uris) diff []
+
+ (** @return l2 \ l1 *)
+let id_list_diff l2 l1 =
+ let module S = IdSet in
+ let s1 = List.fold_left (fun set uri -> S.add uri set) S.empty l1 in
+ let s2 = List.fold_left (fun set uri -> S.add uri set) S.empty l2 in
+ let diff = S.diff s2 s1 in
+ S.fold (fun uri uris -> uri :: uris) diff []