text: errordomain FooError {
  	REALLY_BAD,
  	NOT_SO_GOOD,
  	EVEN_WORSE = 23
  }
  
  void main () {
  	{
  		var error = new IOError.NO_SPACE ("foo");
  		assert (error.code == 12);
  	}
  	{
  		var code = IOError.NO_SPACE;
  		assert (code == 12);
  	}
  	{
  		var error = new FooError.NOT_SO_GOOD ("foo");
  		assert (error.code == 1);
  	}
  	{
  		var code = FooError.NOT_SO_GOOD;
  		assert (code == 1);
  	}
  	{
  		var error = new FooError.EVEN_WORSE ("foo");
  		assert (error.code == 23);
  	}
  	{
  		var code = FooError.EVEN_WORSE;
  		assert (code == 23);
  	}
  }
  