static CloseableIterableIterator<S> linesFromReader(Reader r, IResourceHolder resourceHolder default null) {
  final BufferedReader br = bufferedReader(r);
  ret holdResource(resourceHolder, iteratorFromFunction_f0_autoCloseable(func -> S { readLineFromReaderWithClose(br) }, _wrapIOCloseable(r)));
}

static CloseableIterableIterator<S> linesFromReader(InputStream in) {
  ret linesFromReader(inputStreamReader(in));
}