static CloseableShortIterator decodeOpusStream(S url) throws IOException {
  temp var res = tempResources();
  var in = res.add(httpInputStream(url));
  OpusMachine machine = res.add(new OpusMachine(in));
  
  ret new CloseableShortIterator {
    !include #1033023 // Resources mix-in
    
    { ownResources(res); }
    
    int val = Int.MAX_VALUE;
    
    bool hasNext() {
      if (val == Int.MAX_VALUE)
        val = machine!;
      ret val != Int.MIN_VALUE;
    }
        
    short next() {
      if (!hasNext()) fail("No such element");
      var v = val;
      val = Int.MAX_VALUE;
      ret (short) v;
    }
  };
}