anchor.diff:      }
   }
   class serialization$PartialImpl  extends serialization$Partial {
  -    serialization$PartialImpl([$dart$core.Object _$id]) : super(_$id) {
  -        this._$id = _$id;
  -    }
  -    $dart$core.Object _$id;
  +    serialization$PartialImpl([$dart$core.Object id]) : super(id) {
  +        this._id = id;
  +    }
  +    $dart$core.Object _id;
       void instantiate() {
           throw new Exception();
       }
  
positive.code:         this.$outer$ceylon$language$Iterable$skipWhile$$anonymous$12_ = $outer$ceylon$language$Iterable$skipWhile$$anonymous$12_;
          this.$capture$Iterable$skipWhile$Iterable$skipWhile$$anonymous$12_$iterator$$$elem = $capture$Iterable$skipWhile$Iterable$skipWhile$$anonymous$12_$iterator$$$elem;
          this.$capture$Iterable$skipWhile$Iterable$skipWhile$$anonymous$12_$iterator$iter = $capture$Iterable$skipWhile$Iterable$skipWhile$$anonymous$12_$iterator$iter;
          _$first = true;
      }
      $dart$core.bool _$first;
      $dart$core.Object next() {
          if (_$first) {
              _$first = false;
              return $capture$Iterable$skipWhile$Iterable$skipWhile$$anonymous$12_$iterator$$$elem;
          } else {
              return $capture$Iterable$skipWhile$Iterable$skipWhile$$anonymous$12_$iterator$iter.next();
  
negative.code:             StringBuilder that$5;
              that$5 = that as StringBuilder;
              doElse$4 = false;
              return _delegate == that$5._delegate;
          }
          if (doElse$4) {
              return false;
          }
      })();
      $dart$core.int get hashCode => _delegate.hashCode;
      $dart$core.Object get first => List.$get$first(this);
      $dart$core.Object get last => List.$get$last(this);
      $dart$core.Object get([Integer index]) => List.$get(this, index);
  