On Thu, 4 Mar 2004, Dan Sugalski wrote: > At 10:20 PM +0100 3/2/04, Jens Rieks wrote: > >The following code results in a > >clone() not implemented in class 'ParrotClass' > >error: > > > >.sub _main > > .local pmc a > > .local pmc b > > .local pmc c > > > > newclass a, "A" > > subclass b, a, "B" > > subclass c, b, "C" > > end > >.end > > Steve was right -- the clone I was using was getting in the way. (And > flat-out busted, honestly) Only a shallow copy of the parent class' > array is needed here, so I put in a bit of custom code rather than > use the clone and it works properly now.
Which leads me to ask a question that I've been pondering for a while -- do we actually need to use a fullblown Array PMC to hold the object meta-information and attributes? Couldn't we save a level of indirection (and one PMC header per object) by using a List structure directly? Simon
