Re: [long answer] Re: copy-object

--- ssekkat@gmx.de wrote:
> If the objects are not instantiated, how do you
> identify them?

I would of course have some raw data associated with
each of them, which would be used for constructing the
real object when needed.

> One possibility is to have a wrapper class with one
> unbound slot. 
> All GF access this slot. 
> As soon a GF access the slot, the method
> unbound-slot is called and you 

Does unbound-slot work with structures or just CLOS
objects?  If it works with structures it can be very
helpful in this kind of "lazy delegation".

> can instantiate the slot with the real object.
> That way creating the wrapper should be very cheap
> and the real object is 
> instantiated on demand in a cost effective way.

Yes, very elegant, if unbound-slot works with
structures.


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