anchor.diff:  
     $dart$core.int get integer => _value;
   
  +  $dart$core.int get codePoint => _value;
  +
     @$dart$core.override
     $dart$core.String toString()
       => new $dart$core.String.fromCharCode(_value);
  
positive.code:     }
      return false;
    }
  }
  
  //
  
negative.code: 
    $dart$core.bool get lowercase => toString().toUpperCase() != toString();
  
    $dart$core.bool get character => uppercased != lowercased;
  
    $dart$core.bool get titlecase => uppercase;
  
    Character get uppercased => new Character.$fromInt(toString().toUpperCase().runes.elementAt(0));
  
    Character get lowercased => new Character.$fromInt(toString().toLowerCase().runes.elementAt(0));
  
    Character get titlecased => uppercased;
  
    // Enumerable
    Character neighbour([$dart$core.int offset]) => new Character.$fromInt(this._value + offset);
  