Pops and returns the last object in this list.
Throws an UnsupportedError if this is a fixed-length list.
Source
E removeLast() {
  if (length == 0) throw new RangeError(-1);
  return callMethod('pop');
}
    Pops and returns the last object in this list.
Throws an UnsupportedError if this is a fixed-length list.
E removeLast() {
  if (length == 0) throw new RangeError(-1);
  return callMethod('pop');
}