[plt-scheme] Singleton pattern using class.ss

From: Stephen De Gabrielle (stephen at degabrielle.name)
Date: Wed Dec 12 12:08:46 EST 2007

Hi Noel,

On Dec 12, 2007 4:57 PM, Noel Welsh <noelwelsh at gmail.com> wrote:

Thanks - thats excellent!

> > The 'Factory Pattern' is next for me. Any suggestions gratefully
> accepted.
> Wouldn't a function suffice in this case?

Yeah, I was having trouble working out why a factory was needed. I was
assuming I needed it because the class.ss system seems so similar  to the
java object system. (at least to me)



Stephen De Gabrielle
s.degabrielle at ucl.ac.uk
Telephone +44 (0)20 7679 5242 (x45242)
Mobile                  079 851 890 45
University College London Interaction Centre
Remax House - 31/32 Alfred Place
London - WC1E 7DP
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