Michael Haberler wrote: > > I've rethought this a bit. Since I am working on and off on refactoring > interpreter state into separate classes (modal state, execution state, world > model, config) it would be a relatively small step to modify the current > approach of directly setting/getting variables from _setup to go through > getter/setter methods of the relevant state class. Once you have state > access/modification isolated into getters and setters, it is relatively > straighforward to tack on change recording with that class without changing > the external interface. > Yes, then presumably you could walk backwards through that list of state changes to reverse their effect in the reverse order.
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