--0015174bdf8a5c22c1046d5576b1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit See here: http://pastie.org/526403 With your example you CAN reset it to nil, but you'll have to use the standard getters and setters Greetz, k 2009/6/26 Gregory Brown <gregory.t.brown / gmail.com> > On Fri, Jun 26, 2009 at 4:00 AM, Fabian > Streitel<karottenreibe / googlemail.com> wrote: > >> This is the pattern I use: > >> > >> http://pastie.org/516343 <http://pastie.org/516343> > > > > I only see one problem with that: You can't assign nil or false to the > > attribute that way. > > And I have to say that's pretty much one of the most essential features I > > use -- all the time :-) > > Really? Can you give me an example? > > --0015174bdf8a5c22c1046d5576b1--