static L<Int> byteListToIntList_littleEndian(L<Byte> l) {
  if (l == null) null;
  int n = (l(l)+3)/4;
  
  ret new RandomAccessAbstractList<Int>() {
    public int size() { ret n; }
    public Int get(int i) {
      ret intFromByteList_littleEndian_partial(l, i*4);
    }
    
    public Int set(int i, Int val) {
      Int old = get(i);
      if ((int) old != (int) val)
        intToBytes_inList_littleEndian_partial(val, l, i);
      ret old;
    }
  };
}