watchUnsub method
Implementation
Future<HGrid> watchUnsub(HClientWatch w, List<HRef> ids) {
if (ids.isEmpty) throw ArgumentError("ids are empty");
if (w.id == null) throw StateError("nothing subscribed yet");
if (w.isClosed) throw StateError("watch is closed");
// grid meta
var b = HGridBuilder();
b.meta.add("watchId", w.id);
// grid rows
b.addCol("id");
for (int i = 0; i < ids.length; ++i) {
b.addRow([ids[i]]);
}
// make request
return call("watchUnsub", b.toGrid());
}