29 Mar
2011
29 Mar
'11
12:58 a.m.
On 03/28/11 19:37, Nat Linden wrote:
It seems to me that you're asking for the 'child' class to store a flag: is this a real instance or a placeholder instance? Then every access to that object must check the flag.
Hi Nat and others, based on your arguments, it seems that I was wrong in my evaluation. Thank you for clarifying the design choices, I now realize that it indeed makes sense. Cheers, Jan -- Trojita, a fast e-mail client -- http://trojita.flaska.net/