Path: utzoo!yunexus!ists!jarvis.csri.toronto.edu!mailrus!shadooby!samsung!usc!rutgers!att!cbnewsk!ech From: ech@cbnewsk.ATT.COM (ned.horvath) Newsgroups: comp.sys.mac.programmer Subject: Re: HandleObjects in C++ Message-ID: <1515@cbnewsk.ATT.COM> Date: 15 Nov 89 19:25:52 GMT Article-I.D.: cbnewsk.1515 References: <16898@dartvax.Dartmouth.EDU> Organization: AT&T Bell Laboratories Lines: 16 In article <3158@husc6.harvard.edu> siegel@endor.UUCP (Rich Siegel) writes: > Without getting into an insanely complicated (and somewhat irrelevant) > description of object dispatches... The dispatch mechanism used for > supporting multiple inheritance is incompatible with the relocatable-block > structure of the Mac memory manager. From article <16898@dartvax.Dartmouth.EDU>, by erics@eleazar.dartmouth.edu (Eric Schlegel): > I'm perfectly happy to accept that, but I am curious.. is this is _permanent_ > incompatibility, or might it be fixed someday? Rich overstates the case a bit: the multiple-inheritance scheme CURRENTLY USED by MPW C++ doesn't support handle-based objects. There's no good reason that this MUST be the case. Start complaining now... =Ned Horvath=