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[REBOL] Re: Business Object Versioning

From: robert:muench:robertmuench at: 6-Apr-2002 15:22

> -----Original Message----- > From: [rebol-bounce--rebol--com] [mailto:[rebol-bounce--rebol--com]]On Behalf Of > Carl Read > Sent: Friday, April 05, 2002 2:16 PM > To: [rebol-list--rebol--com] > Subject: [REBOL] Re: Business Object Versioning > Others will know if you can do it directly, but you can access an > object's block by looking at its third value. ie...
Hi, yes I tried this too but I missed the step to create a new object than ;-). I thought I can dynamically alter the third block. But this doesn't work. IMO this would be a very elegant functionality.
> You could use that to get the object's block, alter it, and then make > the object again...
Sounds like an object-altering dialect is needed ;-).
> Oh, and your problem 1 is already catered for with 'make...
But only if the origianl object-layout is available. But that's not the case, within my application I only have the latest version encoded. So I need to alter the old objects step-by-step to the new ones. And I try to make it in-place without copying around to much. Robert