anchor.diff:    Future<Geometry> load(url) =>
         HttpRequest.request(url, responseType: "arraybuffer").then((req) => _parse(req.response));
   
  -  Geometry _parse(Object resp){
  +  Geometry _parse(Object resp) {
       Uint8List data;
       if (resp is! Uint8List) {
         data = new Uint8List.view(resp as ByteBuffer);
       } else {
         data = (resp as Uint8List);
       }
  -    var geom = _isBinary(data) ? _parseBinary(data.buffer) : _parseASCII(new String.fromCharCodes(data));
  +    var geom = isBinary(data) ? parseBinary(data.buffer) : parseASCII(new String.fromCharCodes(data));
       return geom;
     }
   
  
positive.code:    * UINT8[80] – Header
     * UINT32 – Number of triangles
     */
    bool _isBinary(Uint8List bytes) {
  
      var data = new ByteData.view(bytes.buffer);
  
  
negative.code: 
    }
  
    Geometry parseASCII(data) {
  
      var geometry = new Geometry();
  
  