@Override
protected QueryIterator processMethod() throws AsyncException {
// Find index of member.
int i = GraphList.index(getHandler("i"), new GNode(graph, listNode), member);
if (i < 0) return IterLib.noResults(execCxt);
Node idx = NodeFactory.intToNode(i);
return IterLib.oneResult(binding, var, idx, execCxt);
}
