return NS_OK;
return rv;
NS_NewContainerEnumerator(nsIRDFDataSource* aDataSource,                          nsIRDFResource* aContainer,                          nsISimpleEnumerator** aResult){    NS_PRECONDITION(aDataSource != nsnull, "null ptr");    if (! aDataSource)        return NS_ERROR_NULL_POINTER;    NS_PRECONDITION(aContainer != nsnull, "null ptr");    if (! aContainer)        return NS_ERROR_NULL_POINTER;    NS_PRECONDITION(aResult != nsnull, "null ptr");    if (! aResult)        return NS_ERROR_NULL_POINTER;    ContainerEnumeratorImpl* result = new ContainerEnumeratorImpl(aDataSource, aContainer);    if (! result)        return NS_ERROR_OUT_OF_MEMORY;    NS_ADDREF(result);    *aResult = result;    return NS_OK;}