anchor.diff:      return new NgSimpleToken._(NgSimpleTokenType.bang, offset, '!');
     }
   
  -  //Probably don't need
     factory NgSimpleToken.closeBrace(int offset) {
       return new NgSimpleToken._(NgSimpleTokenType.closeBrace, offset, '}');
     }
  
positive.code:     return new NgSimpleToken._(NgSimpleTokenType.dash, offset, '-');
    }
  
  //  factory NgSimpleToken.dashedIdentifier(int offset, String lexeme) {
  //    return new NgSimpleToken(
  //        NgSimpleTokenType.dashedIdentifier, offset, lexeme);
  //  }
  
    factory NgSimpleToken.doubleQuote(int offset) {
      return new NgSimpleToken(NgSimpleTokenType.doubleQuote, offset, '"');
    }
  
negative.code:     return new NgSimpleToken._(NgSimpleTokenType.mustacheEnd, offset, "}}");
    }
  
    factory NgSimpleToken.openBrace(int offset) {
      return new NgSimpleToken._(NgSimpleTokenType.openBrace, offset, '{');
    }
  